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Deuterated-Depleted ( Light ) Water



https://www.popsci.com/science/article/2011-01/chinese-invent-new-method-producing-healthier-light-water/
With New Method, China Can Mass-Produce Light Water For Its Citizens' Thirst

water with hardly any D2O — or light water — can boost the immune system and benefit plant and animal health, according to several studies. In one study from 2003, plant photosynthesis increased with the use of light water. A study involving mice blasted with ionizing radiation showed a dramatic difference in survival between mice that drank light water and mice that drank regular water. It is even used as a cancer treatment for humans: In 2008, researchers reported that light water noticeably lengthened the lifespan of terminal cancer patients...



https://www.eurekalert.org/pub_releases/2011-01/acs-nmf010511.php

New method for making large quantities of deuterium-depleted drinking water

Scientists in China are reporting development of a less expensive, more eco-friendly method for making deuterium-depleted drinking water, citing studies suggesting that it may be a more healthful form of water. Their report appears in ACS' bi-weekly journal Industrial & Engineering Chemistry Research.

Changgong Meng and Feng Huang note that natural water, widely known as H2O, actually is a mixture of H2O and tiny amounts of D2O -- about 150 parts per million (ppm), or a few drops of D2O in every quart of water. Deuterium-depleted water usually contains about 125 ppm. The "D" is deuterium, an isotope or variant form of hydrogen often termed "heavy hydrogen." They cite accumulating evidence that water with high levels of deuterium may have adverse health effects on animals and plants, while deuterium-depleted water may be useful in treatment of certain diseases. Existing ways of removing deuterium from water tend to be expensive, inefficient, or environmentally harmful.

They describe a new method that helps overcome these problems, and could be the basis for the first industrial-scale production of deuterium-depleted water. It involves a platinum catalyst that quickly and efficiently removes deuterium from water using a combination of cold and hot temperatures. In laboratory-scale tests, the new technique reduced the amount of deuterium in water from about 145 parts per million to 125 parts per million. The resulting water is suitable for drinking, the scientists say, and could be produced in large quantities at economical cost.



http://pubs.acs.org/stoken/presspac/presspac/full/10.1021/ie101820f
Ind. Eng. Chem. Res. 2011, 50, 1, 378-381, November 29, 2010
https://doi.org/10.1021/ie101820f
https://pubs.acs.org/doi/full/10.1021/ie101820f
Method for the Production of Deuterium-Depleted Potable Water
Feng Huang, Changgong Meng
Abstract -- A study of the utilization of dual-temperature catalytic exchange between water and hydrogen for the production of deuterium-depleted water is presented. We use a novel catalyst with excellent physical properties for the hot tower of the isotopic exchange. The deuterium-depleted water obtained from the experiment is in agreement with the theoretical consideration on deuterium content at 80 °C when λ is about 1.5. The deuterium-depleted water with 126.3 ppm D2O is gained when λ is about 2 under 80 °C. This kind of water can be used as ordinary drinking water and in cosmetic and hygiene products.



CN105314597 -- Deuterium depleted water preparation method
Inventor: HUANG FENG    
Applicant: UNIV LIAONING SCI & TECH    
2016-02-10
The invention discloses a deuterium depleted water preparation method which overcomes the defects that an existing preparation method is high in energy consumption and low in separation coefficient and causes pollution. The method includes the steps of selecting a reaction tower as a deuterium depleted water preparation device, selecting a catalyst of a cold tower as the Pt/SDB hydrophobic catalyst, selecting a catalyst of a hot tower as the Pt/PTFE hydrophobic catalyst, filling a bed layer of the cold tower and a bed layer of the hot tower with the hydrophobic catalysts and hydrophilic filler, connecting the cold tower with the hot tower in series with the hot tower on the upper side and the cold tower on the lower side, selecting deionized water as the raw material water and high-purity hydrogen as the raw material gas, introducing the raw material water and the raw material gas into the reaction tower, conducting a chemical exchange reaction on the raw material water and the raw material gas in the cold tower and the hot tower, and obtaining fluid flowing out of the tower bottom of the hot tower as deuterium depleted water subjected to primary exchange. The method is simple in principle, process and device, large in disposal amount, capable of saving energy, free of pollution, and suitable for large-scale production of deuterium depleted water beverages.

Technical field
The invention belongs to the technical field of hydrogen isotope separation, especially a method for preparing ultra-light water.

Background technique
In the nuclear industry, deuterium and heavy water are both very important industrial raw materials.
However, according to many research results, deuterium is harmful to the survival and reproduction of living organisms.
When the protium atoms in the DNA helical structure are replaced by deuterium, it will cause phase shift, breakage or replacement of the helical structure, causing the ribonucleic acid arrangement to be disordered or even mutated.
Once deuterium enters the living body, it is difficult to metabolize and remove it. High levels of deuterium have adverse effects on the genetics and metabolism of the human body. The D<sub> 2 </sub>O content in natural water is about 150ppm, and living organisms have developed adaptability. If the D<sub> 2 </sub>O content in water exceeds this normal value, it will cause certain harm to living organisms.

Ultra-light water, also known as deuterium-depleted water (DDW), is water with a D<sub> 2 </sub>O content of less than 150 ppm.
The application of ultra-light water is mainly reflected in three aspects: First, it can promote the growth of animals and plants. When the water contains less deuterium, fish and plankton are more likely to reproduce; soaking seeds or watering with ultra-light water makes it easier for seeds to germinate and grow. and improve crop yield and quality. Second, it can be used as an auxiliary treatment for diseases such as cancer and diabetes. Ultra-light water can inhibit the decomposition and replication of tumor cells and reduce the number of tumor cells. Clinical results show that as an auxiliary treatment, using ultra-light water to replace the patient's daily drinking water can significantly prolong the life of the disease. patient's lifespan. Third, it is used in health care and anti-aging. Ultra-light water has antioxidant effects. In the ultra-light water environment, the activity of antioxidant enzymes in the human brain and liver is significantly increased. According to the different D<sub> 2 </sub>O content in the water, ultra-light water has four specifications: 125ppm±5ppm, 105ppm±5ppm, 50ppm±5ppm, and 25ppm±5ppm. Ultra-light water with a D<sub> 2 </sub>O content of less than 80ppm can be used for medical treatment, and ultra-light water with a D<sub> 2 </sub>O content of 100-125ppm can be used for health drinks, etc.

The methods currently used to produce ultra-light water mainly include electrolysis, distillation, electrolysis combined with distillation and H<sub> 2 </sub>O-H<sub> 2 </sub>S method, etc.

The most commonly used method for producing drinking ultra-light water is distillation, in which water distillation and low-temperature liquid hydrogen distillation technologies have been successfully applied. The water distillation method is simple, safe and reliable, but it has a small separation coefficient, high energy consumption, high operating costs and low recovery rate. Liquid hydrogen distillation has high separation coefficient, low energy consumption, high production capacity, short start-up time, and flexible design. However, it has low operating temperature, extremely high thermal insulation requirements, and high technical difficulties. The advantages of the electrolysis method are high separation coefficient and simple process, but the disadvantage is high power consumption. H <sub> 2 </sub> O-H <sub> 2 </sub> S exchange method is a chemical exchange method, which uses the different distribution of isotopes among different chemical components to achieve separation purposes. When two compounds of the same element come into contact under certain conditions, the distribution of different isotopes of the element in the reactants before contact and the products after contact can change. The H <sub> 2 </sub> O-H <sub> 2 </sub> S exchange reaction proceeds quickly and does not require a catalyst, but H <sub> 2 </sub> S is toxic and polluting.

The invention provides a method for preparing ultra-light water, which overcomes the problems of high energy consumption, low separation coefficient and pollution existing in the existing preparation methods.

A method for preparing ultra-light water provided by the invention includes the following steps:
a. The reaction tower is selected as a preparation device for ultra-light water. The reaction tower is divided into two parts: a cold tower and a hot tower. The catalyst for the cold tower is Pt/SDB hydrophobic catalyst with a screening particle size of 1.5-3.0 mm. The catalyst for the hot tower is Pt/PTFE hydrophobic catalyst, screening diameter is 2.0-3.0 mm;

b. Fill the beds of the cooling tower and the hot tower with hydrophobic catalyst and hydrophilic filler. The volume ratio of hydrophobic catalyst and hydrophilic filler is 1:1-1:6. One layer of hydrophobic catalyst and one layer of hydrophilic filler. A layer of hydrophobic catalyst and then a layer of hydrophilic filler are sequentially packed;

c. The cooling tower and the hot tower are connected in series. The upper part is the hot tower and the lower part is the cooling tower. Before the reaction, the entire loop is purged with nitrogen from bottom to top. The temperature of the cooling tower is controlled at 20℃-20°C through the constant temperature heating device outside the tower. 30℃, the temperature of the hot tower is controlled at 80℃-130℃ through the constant temperature heating device outside the tower.

d. Select deionized water as the raw water and high-purity hydrogen as the raw gas. Feed the raw water and raw gas into the reaction tower at a gas-liquid ratio of 1.5-2.5. The raw gas is fed from the bottom of the cooling tower below. , the raw material moisture is introduced from the top of the cooling tower and the hot tower respectively. The gas discharged from the top of the cooling tower is introduced into the bottom of the hot tower. In the cooling tower and the hot tower, the raw material water and the raw material gas undergo chemical exchange reactions. , the liquid flowing out from the bottom of the hot tower is ultra-light water after one exchange.

In the described step b, stainless steel reaction tubes or quartz glass tubes are selected as the cooling tower and the hot tower. The total filling height of the hydrophobic catalyst and hydrophilic filler and the height-to-diameter ratio of the reaction tower are 5-30.

In the described step d, the HDO content in deionized water is 290 ppm, which is obtained by deionizing natural drinking water. The purity of high-purity hydrogen is 99.99%, and the HD content is 284 ppm.

Compared with existing similar methods, the significant beneficial effects of the present invention are reflected in:

The method of preparing ultra-light water using H <sub> 2 </sub> -H <sub> 2 </sub> O liquid phase dual-temperature catalytic exchange has simple principles, processes and equipment, large processing capacity, energy saving, and no pollution.
Suitable for large-scale production of ultra-light water drinks.=]

Detailed ways
A method for preparing ultra-light water. The steps of the method are as follows:

1. Select the reaction tower as an ultra-light water preparation device. The reaction tower is divided into two parts: a cooling tower and a hot tower. Select a Pt/SDB hydrophobic catalyst with a particle size of 2 mm as the catalyst for the cold tower, and select a Pt/PTFE hydrophobic catalyst with a particle size of 3 mm. Acts as a catalyst for thermal towers;

2. Select a quartz glass tube with an inner diameter of 20mm and a length of 600mm as the cooling tower and the hot tower. Put the Φ2mm θ-ring hydrophilic filler and the hydrophobic catalyst into the cooling tower and the hot tower in layers at a volume ratio of 3:1. A layer of hydrophobic catalyst, a layer of hydrophilic filler, and then a layer of hydrophobic catalyst and then a layer of hydrophilic filler are sequentially filled. The total filling height is 400mm.

3. The cooling tower and the hot tower are connected in series, with the hot tower at the top and the cooling tower at the bottom. Before the reaction, the entire loop is purged with nitrogen from bottom to top for 15 minutes to avoid the danger of contact between hydrogen and oxygen. The nitrogen flow rate is 30ml/min. The cooling tower temperature is controlled at 30°C by a constant temperature heating device outside the tower, and the hot tower temperature is controlled at 80°C by a constant temperature heating device outside the tower.

4. Select deionized water with an HDO content of 290ppm as the raw material water, select high-purity hydrogen with an HD content of 284ppm as the raw material gas, and pass the raw material water and raw gas into the reaction tower at a flow ratio of 2 to the gas-liquid ratio. The raw gas will flow from The bottom of the cooling tower located below is passed in. The raw material moisture is introduced from the top of the cooling tower and the hot tower respectively. The gas discharged from the top of the cooling tower is passed into the bottom of the hot tower. In the cooling tower and hot tower, The raw water and raw gas undergo a chemical exchange reaction. The liquid flowing out from the bottom of the hot tower is ultra-light water after one exchange. After testing, the D<sub> 2 </sub>O content of this ultra-light water is 126 ppm.



https://www.ncbi.nlm.nih.gov/pubmed/18815148?dopt=Abstract
DOI: 10.1177/1534735408322851
Integr Cancer Ther. 2008 Sep;7(3):172-81.
A retrospective evaluation of the effects of deuterium depleted water consumption on 4 patients with brain metastases from lung cancer.
Krempels K, et al.

CONCLUSIONS: DDW was administered as an oral anticancer agent in addition to conventional therapy, and noticeably prolonged the survival time of all 4 lung cancer patients with brain metastasis. We suggest that DDW treatment, when integrated into other forms of cancer treatment, might provide a new therapeutic option.



http://www.russia-ic.com/news/show/2107/
http://www.vor.ru/science/science_rus.html#3
21.04.2006
Light Water Production Launched

Russian Institute for Biological Medicine launched production of light water, differing from ordinary water by stimulating all human systems' activities through data-flow level. Institute's vice-president claims such developments are unique and cannot be found anywhere else in the world.

Natural light water is found in mountain rivers and melting glaciers. Scientists designed rectifying columns for water fractional distillation and derived water free from its heavy components.

Light water normalizes any pathology found in an organism. It also improves body resistance to harmful effects of physical, chemical and biological origin. Clinical trials revealed light water's ability to dissolve higher concentrations of various substances and to penetrate membranes easier than ordinary water. Light water showed anti-inflammatory effect and eliminated tissue puffiness.

Recently developed "Langway" water is already available at the US market. Tests proved its potential to refine cell metabolic processes through accumulating energy inside a cell. Light water is highly recommended for skin regeneration stimulation. "Langway" tones the skin, reduces its greasiness, narrows skin pores, slows ageing and helps skin to resist negative environmental impact. Light water also regulates excretion of toxins, salts of heavy metals, cellular debris and infectious germs. Another positive aspect is that such water lowers blood sugar and cholesterol, thus it can be recommended for patients, suffering from diabetes, atherosclerosis, obesity and hypertension.



http://www.russia-ic.com
30.11.2005
Russia developed “live water” with rejuvenating effect

Russian scientists developed and began to produce “live water” – light water that removes harmful substances from body and produces rejuvenating effect. “ “Langway-IBMED-50” purifies and removes toxic products from body, salts of heavy metals and other harmful substances”, - informed “Interfax” Chief Medical Doctor - Director of the Institute of Biological Medicine (IBMED), Academician Y. Bloshansky. According to him, natural water is one of the factors of our body’s imperceptible poisoning. “It contains heavy isotopes of hydrogen (deuterium) and oxygen in quantities that considerably slow energy processes in cells, harm body’s vitality and damage genic apparatus.” It is caused by its dissociation with terrestrial organisms due to space origin.

“Light water that has been purified of heavy isotopes acts on all body cells and results in a healthy glow and skin”, said Y. Bloshansky.

The academician is sure that usage of light water with low contents of deuterium can prolong life of every organism both unicellular and multicellular one.



http://www.biolider.com/catalog/3/
Cosmetic Light Water "Langway-IBMED"

For the first time mountain freshness for your skin! Unique properties of light cosmetic water "Langway-IBMED" – keep your youth!Unique properties of light cosmetic water "Langway-IBMED" keep your youth!

• can be applied to all skin types, even for hypersensitive skin - Light water contains nothing which can cause an allergic reaction
• can be applied on make up for daily skin moisture
• stimulates processes of skin cells natural renewal, slows ageing
• renews skin moisture
• increases skin tonus
• reduces inflammation
• reduces the adverse affects of heating systems, conditioners, computers
• has a soothing action in case of sun burns

Clinical tests showed that light cosmetic water "Langway-IBMED" intensifies epithelization, increases skin moisture, has anti-inflammatory action, removes edemas.Clinical tests showed that light cosmetic water "Langway-IBMED" intensifies epithelization, increases skin moisture, has anti-inflammatory action, removes edemas. Light cosmetic water "Langway-IBMED" tones up, cleanses skin and increases the effect of cosmetic products.Light cosmetic water "Langway-IBMED" tones up, cleanses skin and increases the effect of cosmetic products. Solubility of different substances in light water is higher than in traditional water.Solubility of different substances in light water is higher than in traditional water. Light water "Langway-IBMED" has lower viscosity than usual water that allows it to penetrate through cellular membranes.Light water "Langway-IBMED" has lower viscosity than usual water that allows it to penetrate through cellular membranes. Application of these properties can significantly increase effectiveness of active components of the "Celletelle" cosmetic products in complex face skin care by application of different creams in combination with light water.Application of these properties can significantly increase effectiveness of active components of the "Celletelle" cosmetic products in complex face skin care by application of different creams in combination with light water. Clinical tests in Cosmetology Clinic "Institute of Beauty" (Moscow) showed high effectiveness of light water.Clinical tests in Cosmetology Clinic Institute of Beauty "(Moscow) showed high effectiveness of light water...

Additionally, for complex body rejuvenation it is recommended to drink superlight biologicaly active medicinal water "Langway-IBMED-50". Additionally, for complex body rejuvenation it is recommended to drink superlight biologicaly active medicinal water "Langway-IBMED-50." Medicinal water “Langway-IBMED-50” has a wide spectrum of biological activity, in particular: increases immunity, has detoxifying action, stimulates regeneration of cells and tissues.Medicinal water "Langway-IBMED-50" has a wide spectrum of biological activity, in particular : increases immunity, has detoxifying action, stimulates regeneration of cells and tissues.

Restores youth and longevity!

• stimulates processes of self-renewal – regeneration of cells and tissues
• improves water metabolism, removes disorders of fatty metabolism, obesity and edemas
• purifies and removes metabolism products from the body, removes salt of heavy metals, toxins and other harmful substances;
• increases speed of water-lipidic metabolism and normalizes metabolism processes in body;
• increases body energy resources increases and immunity, prevents inflammation, in particular on skin surface – pustules, acne, eczema, etc.
• has rejuvenating effect
• increases viability and quality of sex cells
• prevents body from accumulation and affection of radionuclids; inhibits growth of several tumors, including – lungs carcinoma, uterine sarcoma, cervical carcinoma
• normalizes condition of hair, nails, skin turgor and provides healthy glow
• reduces sugar content, triglycerides and cholesterol in blood; is applied in case of diabetes 1 and 2, atherosclerosis, obesity
• stabilizes cellular membranes and vessels permeability
• has hypotensive action; is applied in case of arterial hypertension and neurocirculatory dystonia
• reduces alcohol withdrawal syndrome
• with longer use – improves sleep, memory, mental and physical activity
• is recommended in case of diets, during fasting days

Tests of light water ( in vitro) at the A.Tests of light water (in vitro) at the A. P.P. Hertsen Moscow Scientific Research Oncological Institute and the Scientific-Research Institute of Carcerogenesis of N.N.Hertsen Moscow Scientific Research Oncological Institute and the Scientific-Research Institute of Carcerogenesis of N. Blochin and the Russian Oncological Scientific Centre in cooperation with State Scientific Centre of the Russian Federation "Institute of medical-biological problems" confirmed inhibiting action of light water on multiplication of tumorous cells and growth of tumors.Blochin and the Russian Oncological Scientific Centre in cooperation with State Scientific Centre of the Russian Federation "Institute of medical-biological problems "confirmed inhibiting action of light on water multiplication of tumorous cells and growth of tumors.

Clinical tests in N.N.Clinical tests in N. Blochin Scientific Centre showed that application of light water in complex treatment of patients suffering from breast cancer removes consequences of toxics (vomiting, pain, hair shedding) caused by chemotherapy.Blochin Scientific Centre showed that application of light water in complex treatment of patients suffering from breast cancer removes consequences of toxics (vomiting, pain, hair shedding) caused by chemotherapy.

Tests carried out in laboratories of Scientific Centre of Children Health of the Russian Academy of Medical Sciences showed that application of light water significantly increases ( by 30%) energy resources in cells as well as level of cells protection from penetration of different toxins.Tests carried out in laboratories of Scientific Centre of Children Health of the Russian Academy of Medical Sciences showed that application of light water increases significantly (by 30%) energy resources in cells as well as level of protection cells from penetration of different toxins.

The effect of light drinking water on patients with different metabolic disorders (arterial hypertension, obesity, carbohydrate metabolism disorders, dislipidemia, diabetes 1 and 2) was examined by the Endocrinology Department of the Russian Scientific Centre of Renewing Medicine and Balneology of the Ministry of Health of the Russian Federation.The effect of light drinking water on patients with different metabolic disorders (arterial hypertension, obesity, carbohalrate metabolism disorders, dislipidemia, diabetes 1 and 2) was examined by the Endocrinology Department of the Russian Scientific Centre of Renewing Medicine and Balneology of the Ministry of Health of the Russian Federation. After the course of application of light water, patients with increased level of beta —  lipoproteins and coefficient of atherogeneity showed marked reduction of indices.After the course of application of light water, patients with increased level of beta - lipoproteins and coefficient of atherogeneity showed marked reduction of indices. In this group beta —  lipoproteins index reduced by 52% and coefficient of atherogeneity – by 113%.In this group beta-lipoproteins index reduced by 52% and coefficient of atherogeneity-by 113%. In the control group reduction of indices made 43% and 35%.In the control group reduction of indices made 43% and 35%. Results of tests confirm that light water has effective hypoglycemic, hypolipidemic and hypotensive action on the body of patients with different metabolic disorders, it improves metabolism processes and increases body immunity.Results of tests confirm that light water has effective hypoglycemic, hypolipidemic and hypotensive action on the body of patients with different metabolic disorders, it improves metabolism processes and increases body immunity.

On the basis of results of these tests light drinking water is recommended by Russian Scientific Centre of Renewing Medicine and Balneology of the Ministry of Health of the Russian Federation in complex treatment of diabetes 2 and different metabolic disorders as well as in program of weight correction.On the basis of results of these tests light drinking water is recommended by Russian Scientific Centre of Renewing Medicine Balneology and of the Ministry of Health of the Russian Federation in complex treatment of diabetes 2 and different metabolic disorders as well as in program of weight correction.

Daily dose – 1 liter.Daily dose-1 litem judges. First glass of water on empty stomach in the morning.First glass of water on empty stomach in the morning. Optimal course – from 2 months of application.Optimal course-from two months of application.

It is not recommended to apply superlight biologicaly active medicinal water "Langway-IBMED-50" later than 2 hours before sleep since it has expressed tonic action.It is not recommended to apply superlight biologicaly active medicinal water "Langway-IBMED-50" later than two hours before sleep since it has expressed tonic action.

Constant application of medicinal water can significantly prolong life of any body.Constant application of medicinal water can significantly prolong life of any body.

For convenience of application in cosmetology light water is produced as aerosol.For convenience of application in cosmetology light water is produced as aerosol. Due to its unique structure and properties this water stimulates skin regeneration, reduces inflammations, slows skin ageing and has rejuvenating and moistening action.Due to its unique structure and properties this water stimulates skin regeneration, reduces inflammations, slows skin ageing and has rejuvenating and moistening action.

Certificate of registration of the Ministry of Health of the Russian Federation N 77.99.15.6.U.918.2.05. dated 03.02.2005.dated February 3, 2005.

Term of storage 12 months



LIGHT WATER PATENTS

UA66109 -- METHOD FOR THE PREPARATION OF PURIFIED BIOLOGICALLY ACTIVE HEALING WATER AT A LOW CONTENT OF HEAVY HYDROGEN ISOTOPES AND"VIN-KOLO", A PLANT FOR REALIZING THE SAME
Abstract --- A method for the preparation of biologically active healing water at a low content of heavy hydrogen isotopes involves operations of preliminary purification of original water from hazardous and poisonous substances, water cooling and subsequent removing heavy hydrogen isotopes - deuterium and radioactive tritium from water in the water flow by an optionally solid condensation of these heavy isotopes in two stages. Upon obtaining the required ice thickness the crystallization process is stopped and simultaneously heavy oxygen isotopes Ä17 and Ä18 is removed. Thereafter the light water with a low content of heavy hydrogen and oxygen isotopes is collected, thawing and pouring of condensate is performed, obtained water is activated by an optimization of mineral composition and structure thereof. Before removal of heavy hydrogen isotopes from water the original water is overcooled to the temperature of -0.5...-10c with an intensive agitation thereof. A plant for realizing the method contains a unit of preliminary cooling the original water, condensation apparatus, apparatus of overcooling below 0 0c and intensive agitation of the original water. The condensation apparatus is made in the form of closed vertical disposed hollow water conduit of -like form, which has heat-exchangers installed, which are connected to the refrigerating fluid and heat carrier sources, and straight flow pump with flow regulator. The upper branch of the water conduit is connected to the unit of preliminary cooling original water and to the apparatus of preliminary purification and decontamination of water, and the lower one is connected to the apparatus for optimization of mineral composition and structure of water. The heat exchangers are made in the form of tubular multi-row spiral having space between the coils filled with heat-conducting material and noble minerals. The apparatus of overcooling and intensive agitation of the original water contains processing chamber of cylindrical form with conical bottom and cover. The system of water condensation is disposed under cover, and above the cover the apparatus for reciprocal rotation of heavy water isotopes is disposed which is made in the form of tubular multi-row spiral.



US2006016681 -- Apparatus and Method for Separating Tritated and Heavy Water from Light Water via a Conical Configuration [ PDF ]

Abstract --- An system for separating tritiated water from common water, using gravity and the freezing point of tritiated water to cause tritiated water to freeze along the inside of a conically-shaped collection chamber. The common water and liquid tritiated water that pass out the bottom of the conically-shaped collection chamber are pumped back to the top of the conically-shaped collection chamber for repeated runs until sufficient tritiated water has frozen to the inside of the conically-shaped collection chamber. A water wheel is positioned to assist in powering the pump that drives water through repeated runs.



US6984327 -- System and Method for Separating Heavy Isotopes of Hydrogen Oxide from Water [ PDF ]

Abstract --- An apparatus and method for separating heavy isotopes of hydrogen from contaminated water. The apparatus includes a treatment chamber with an elongated hollow core fiber (HCF) extending within the chamber. A reservoir holds contaminated water mixed with beads formed of an exchange resin, the mixture of contaminated water and beads forming a flowable slurry. The slurry is continuously circulated through the hollow core fiber and the reservoir preferably by a pulsating peristaltic pump. The beads absorb a portion of the heavy isotopes from the slurry by exchange with waters of hydration of the beads while the hollow core fiber allows permeation of only light water from said slurry outwardly through the HCF wall as a permeate.



CN101088920A -- Prepn process of no-deuterium water

The present invention is distilling and layered fractioning technology to obtain no-deuterium water with high energy, high purity, no heavy water and no superheavy water. The no-deuterium water is used as water for injection, industrial super purified water, drinking water, domestic water, agricultural water, health water and water for scientific research, and may be used in compounding germanium-rich water, selenium-rich water, zinc-rich water, iron-rich water, SOD water, etc.



CN110104859A -- Water treatment method for removing deuterium oxide

The present invention relates to a kind of high-energy, high-purity, deuterium-free water that does not contain heavy water and super-heavy water obtained by layered fractionation technology.
Ordinary drinking water or natural mineral water, even the best distilled water, contains heavy water deuterium (D<sub>2</sub>O), super heavy water tritium (T<sub>2</sub>O), other minerals, inorganic salts, and metal ions. The state of water is in the form of macromolecular clusters. . The present invention adopts the most advanced layered fractionation technology to obtain high-purity deuterium-free water that does not contain heavy water and super-heavy water.
Deuterium-free water is pure water (H<sub>2</sub>O). The content of pure water reaches 99.9999%, the content of heavy water is less than 1PPm, and it does not contain any other minerals, inorganic salts, bacteria, pigments, heat sources, metal ions, and other heavy metal ions. , pesticides, fertilizers, heavy water deuterium (D<sub>2</sub>O), super heavy water tritium (T<sub>2</sub>O), disinfectants, detergents and other charged substances. Deuterium-free water is powerful ultrapure, ultraclear, and ultrapure water with short-chain molecules that are uncharged and have no molecular groups.
Deuterium-free water has high energy, high metabolic power, dissolving power, cleaning power, diffusion power, penetrating power, emulsifying power and oxygen capacity (extra oxygen), achieving unprecedented nutrition and energy, and promoting the absorption of nutritional substances. Metabolism and the elimination of toxic and harmful substances from the body improve the quality of life.
Characteristics of deuterium-free water: freezes at 0℃, ice crystals are hexagonal, vaporizes at 100℃, has the smallest volume and maximum density at 4℃, which is 1g/cm<sup>3</sup>, the conductivity is less than 2 units (s/cm), and it is colorless , tasteless, transparent, neutral and suitable in taste.
Deuterium-free water can be used for medical injections, industrial ultrapure water, drinking water, domestic water, agricultural water, health care water, scientific research water, and can be used to prepare germanium-rich water, selenium-rich water, zinc-rich water, iron-rich water, SOD water, various vitamin waters, fruit drinks, magnetized water, ionized water, etc.
Specific Implementation Process for preparing deuterium-free water: distillation - layered fractionation - secondary pressurized fractionation - fractional extraction - high-speed plasma crushing - high-intensity magnetization - high-voltage electric field rectification - rearrangement - inspection - storage - ultrasonic disinfection - packaging -Inspection-Sealing-Packaging into boxes-Make anti-counterfeiting marks-Sealing the boxes-Affixing labels and numbers to the boxes-Putting into storage.



CN1085191A -- Process for preparing deuterium-free water

Deuterium-free water is produced from ordinary water by steam fractionation and does not contain other matter and deuteroxide. It is mainly used for drinking, immersion of seeds and irrigation to increase yield of crops, speed up growth of animal and fowls, and raise egg-laying rate...



CN102205992 -- Preparation method of deuterium-free water and dedicated packed tower thereof

The invention provides a preparation method of deuterium-free water and a dedicated packed tower thereof. The packed tower comprises a packed tower shell, wherein the packed tower shell is internally provided with a plurality of screens which are up and down ranked and in seal fit with the packed tower shell; gaps are reserved among the screens; the inner cavity of the packed tower shell is divided into a plurality of small chambers by the screens; and each screen is formed by overlapping multiple layers of silk screens. The preparation method comprises the following steps: introducing water vapor from the bottom of the packed tower to the cavity of the packed tower; successively enabling the water vapor to pass through the screens so as to lift to the top of the packed tower from the bottom of the packed tower, so that deuterium-free water vapor is obtained; and cooling the deuterium-free water vapor so as to obtain the deuterium-free water. The preparation method in the invention has the advantages of large deuterium-free water extraction amount, high purity and stable quality; and the obtained deuterium-free water has a huge development potential, a wide market and a practical application value, can be applied to the fields of medicinal injection liquids, industrial ultrapure water, drinking water, domestic water, agricultural water, health water and scientific water, and can be used for preparing Ge-enriched water, selenium-enriched water, zinc-enriched water, iron-enriched water, superoxide dismutase (SOD) water, various vitamin water, fruit juice, magnetized water, ionized water and the like.

Background technique
Deuterium-free water is pure water (H<sub>2</sub>O). The content of pure water reaches 99.9999% and does not contain any other minerals, inorganic salts, bacteria, pigments, heat sources, metal ions, other heavy metal ions, pesticides, chemical fertilizers, heavy water deuterium (D<sub>2</sub>O ), super heavy water tritium (T<sub>2</sub>O), disinfectants, cleaning agents and other charged substances.
Deuterium-free water is powerful ultra-pure, ultra-clear and ultra-pure water with short-chain molecules that are uncharged and have no molecular groups. Characteristics of deuterium-free water: freezes at 0℃, ice crystals are hexagonal, vaporizes at 100℃, has the smallest volume and maximum density at 4℃, 1g/cm<sup>3</sup>, conductivity is less than 2 units (s/cm), colorless , tasteless, transparent, neutral and suitable in taste. Deuterium-free water has high energy, high metabolic power, dissolving power, cleaning power, diffusion power, penetration power, emulsifying power and oxygen capacity (extra oxygen), achieving unprecedented nutrition and energy, and promoting the absorption of nutritional substances. Metabolism and the elimination of toxic and harmful substances from the body improve the quality of life. Deuterium-free water can be used for medical injections, industrial ultrapure water, drinking water, domestic water, agricultural water, health care water, scientific research water, and can be used to prepare germanium-rich water, selenium-rich water, zinc-rich water, iron-rich water, SOD water, various vitamin waters, fruit drinks, magnetized water, ionized water, etc.
At present, many foreign countries have conducted research on low-deuterium water.
In 1992, Hungarian SOMLYAI, JANCSO and JAKLI studied a method for preparing low-deuterium water. Ordinary water containing 150 ppm deuterium was boiled under reduced pressure and a 30-50 plate packed column. The water vapor obtained at the top contained deuterium. The content is 15-30ppm. In 2006, Romania's INSTNAT CERC-DEZVOLTARE TEHNOLOGII CRIO studied a method for preparing low-deuterium water, which was obtained by continuously introducing pure water into an isotope distillation tower with a height-to-diameter ratio of 45:1. The superhydrogen water obtained by this method has a deuterium content of 20-30ppm and can be used for food. The above preparation method is complicated to operate, requires high equipment, and the deuterium-depleted water obtained has a high deuterium content. Therefore, there is an urgent need for a deuterium-free water preparation method that is simple to operate.

Contents of the invention
The object of the present invention is to provide a preparation method of deuterium-free water and its special packed tower.
The invention provides a packing tower, which includes a packing tower shell. There are several mesh plates arranged up and down in the packing tower shell and sealingly matched with the side walls of the packing tower shell. One of the mesh plates is There is a spacing between them, and the mesh plate divides the inner cavity of the packing tower into several small chambers; each mesh plate is formed by superimposing several layers of wire mesh.
In the above-mentioned packed tower, the mesh plates may be arranged in parallel.
In the above-mentioned packed tower, the spacing between the mesh plates may be 50 cm to 70 cm.
In the above packed tower, the inner diameter of the packed tower may be 5 meters; the height of the packed tower may be 50 meters.
In the above-mentioned packed tower, the number of mesh plates can be 50 to 70; each mesh plate can be composed of 10 to 20 layers of wire mesh.
In the above-mentioned packed tower, the thickness of each mesh plate may be 8 cm to 12 cm; the mesh density of the mesh may be 150 mesh to 300 mesh.
In the above-mentioned packed tower, the mesh plate, wire mesh and packed tower can all be made of stainless steel.
The present invention also provides a method for preparing deuterium-free water, which involves introducing water vapor from the bottom of the packed tower into the cavity of the packed tower; the water vapor passes through the packed tower in sequence from the bottom of the packed tower. The mesh plate rises to the top of the packed tower to obtain deuterium-free water vapor, and the deuterium-free water vapor is obtained by cooling the deuterium-free water vapor.
In the above method, the pressure in the packed tower can be 8MPa-10MPa, specifically 8MPa or 10MPa; the water vapor can be generated by heating.
In the above method, the mass content of deuterium in the water vapor may be 1.5×10<sup>-4</sup>-2.0×10<sup>-4</sup>.
In the above method, the yield of deuterium-free water can reach 30%-50%.
The purity of the deuterium-free water prepared by the method provided by the invention is as high as 99.9999%. After ultrasonic disinfection, it can be used to prepare medical injections, industrial ultrapure water, etc.; the preparation method provided by the invention extracts a large amount of deuterium-free water with high purity. High, stable quality; deuterium-free water has huge development potential, broad market, and practical application value. It can be used for medical injections, industrial ultrapure water, drinking water, domestic water, agricultural water, health care water and scientific research water. wait.

Description of the drawings
Figure 1 is a schematic structural diagram of a packed tower according to Embodiment 1 of the present invention.
In the figure, the marks are as follows: 1. Packing tower shell, 2. Screen plate.

Detailed ways
The experimental methods used in the following examples are conventional methods unless otherwise specified.
Materials, reagents, etc. used in the following examples can all be obtained from commercial sources unless otherwise specified.
The deuterium content in deuterium-free water in the following embodiments 2 and 3 of the present invention is detected by an isotope detector. The isotope detector is a Beta-RAM4 isotope detector produced by IN/US Company of the United States; other microbial indicators in deuterium-free water , The impurity content is tested according to ("Bottled Drinking Purified Water" GB 17323-1998) and ("Industrial Deionized Distilled Water" GB 6682-2007).

Example 1, packed tower
The inner diameter of the packing tower provided by the invention is 5 meters, the height is 50 meters, and the material is stainless steel; the packing tower includes a packing tower shell 1, and the packing tower shell 1 is provided with 60 upper and lower blocks (not shown in the figure). The mesh plates 2 are arranged and sealingly matched with the side wall of the packing tower shell. The mesh plates 2 are arranged in parallel. The spacing between the mesh plates 2 is 60 cm. The inner cavity of the packing tower shell is divided into 61 Small chambers with equal volumes (not shown in the figure); each screen plate 2 is made of 15 layers of 200-mesh wire mesh (not shown in the figure), and the thickness of each screen plate 2 is 9 cm.
In the above-mentioned packing tower, the number of mesh plates 2 can be adjusted within 50-70 pieces as needed; the thickness of each mesh plate 2 can be adjusted within 8 cm-10 cm as needed; the spacing between mesh plates 2 It can be adjusted within 50 cm - 70 cm as needed; the number of layers of wire mesh included in each screen panel 2 can be adjusted within 10 layers - 20 layers as needed; the mesh density of the wire mesh can be adjusted between 150 mesh and 150 mesh as needed. Adjust within 300 mesh.

Example 2. Preparation of deuterium-free water
Drinking water is heated to generate water vapor. The mass content of deuterium in the water vapor is 1.5×10<sup>-4</sup>. The water vapor is introduced from the bottom of the packed tower of Example 1 into the packed tower. The pressure in the packed tower is set to 8MPa. The steam rises from the bottom of the packed tower through 60 mesh plates 2 to the top of the packed tower to obtain deuterium-free water vapor, which is then led out through stainless steel pipes and cooled to obtain deuterium-free water with a purity of 99.9999% and no other microbial impurities. It was detected that the yield of deuterium-free water was 30%; waste water and distilled water were collected from the bottom and middle bottom of the packed tower respectively.

Example 3. Preparation of deuterium-free water
Drinking water is heated to generate water vapor. The mass content of deuterium in the water vapor is 2.0×10<sup>-4</sup>. The water vapor is introduced from the bottom of the packed tower of Example 1 into the packed tower. The pressure in the packed tower is set to 10MPa. The water vapor rises from the bottom of the packed tower through 60 mesh plates to the top of the packed tower to obtain deuterium-free water vapor, which is then led out through stainless steel pipes. After cooling, deuterium-free water is obtained. Its purity is 99.9999%, and other microbial impurities are not present. It was detected that the yield of deuterium-free water was 50%; waste water and distilled water were collected from the bottom and middle bottom of the packed tower respectively.



CN105036078 -- Deuterium-depleted water preparation system and implementation method
The invention discloses a deuterium-depleted water preparation system. The deuterium-depleted water preparation system comprises a raw material water tank, a first liquid metering pump and a second liquid metering pump which are both connected with the raw material water tank, a first vaporizer connected with the first liquid metering pump, a second vaporizer connected with the second liquid metering pump, a first fixed bed reactor which is connected with the first vaporizer and filled with iron powder, a third fixed bed reactor which is simultaneously connected with the second vaporizer and the first fixed bed reactor and filled with porous foam nickel, a first condenser connected with the third fixed bed reactor, a first water storage tank connected with the first condenser and a poor deuterium hydrogen circulation processing device connected with the first condenser. The deuterium-depleted water preparation system is ingenious in structural design and convenient to control, the preparation cost of deuterium-depleted water can be significantly lowered, so that the deuterium-depleted water can be well applied and popularized in the bio-medical treatment field, and therefore the higher practical value is achieved.



CN110015791 -- Special device for removing heavy deuterium oxide

Background technique
Modern science has proven that deuterium is harmful to the survival, development and reproduction of living organisms. Because deuterium replaces hydrogen atoms, it can generate additional stress in the helical structure of DNA, causing phase shifts, breaks, and replacements of the double helix, causing the ribonucleic acid arrangement to be disordered and even rearranged. Synthesis, mutations occur, which have adverse effects on the human body's genetics, metabolism, and enzyme systems. As a result, during the process of gene replication, the probability of cell defects continues to increase, increasing the possibility of tumor cells.

Low-deuterium water refers to water with a deuterium content of less than 150 ppm. Tests by Hungarian scientist Gabor Somlyai and Kanagawa University in Japan and others have proven that low-deuterium water has a variety of biological effects that are beneficial to the human body: 1) Activating human cells: When the body is heavy The overall reduction of hydrogen concentration can significantly promote enzyme reactions, improve basal metabolism, and help activate body cells; 2) Enhance human immunity: it can increase NK cell activity values, improve the body's immune disorders, thereby enhancing human immune function; 3) Prevention Cancer health care function: By depriving cancer cells of the heavy hydrogen environment required for their value-adding, increasing blood oxygen content and oxygen absorption, activating the vitality of human tissue cells, improving cellular immunity, and restoring the overall functions of cell tissues, organs and systems, it can reduce the risk of cancer. Tumor indicator value, inhibiting the proliferation of deteriorated cells and cancer cells.

At present, the main methods for large-scale production of low-deuterium water include distillation method and water/hydrogen dual-temperature exchange method.
The distillation method is based on the different volatilities of hydrogen or two components of hydrogen-containing compounds (such as H <sub> 2 </sub> O and D <sub> 2 </sub> O), and isotope separation occurs during the coexistence of gas and liquid phases.
Distillation is carried out in a distillation tower equipped with several trays or packings. The liquid phase and the gas phase flow countercurrently in the tower. During the rising process of the steam, H<sub> 2 </sub>O is gradually enriched due to its high volatility; while in the liquid phase, H<sub> 2 </sub>O is gradually enriched. During the process of overflowing to the bottom of the tower, D<sub> 2 </sub>O is gradually enriched due to its low volatility.
The steam is condensed at the top of the tower and refluxes into the tower. There is a still at the bottom of the tower to evaporate part of the liquid to provide an upward airflow.
The advantage of the water distillation method is that it does not require the use of catalysts or chemical reagents, and the production process is simple and mature; however, because the separation coefficient is very small, about 1.03 to 1.06, many separation stages need to be connected in series, so the equipment is tall and complex, and the construction investment is large.
In addition, due to the need for repeated condensation and vaporization, a very large amount of water needs to be processed during the production process, resulting in high energy consumption and high operating costs.

The water/hydrogen dual-temperature exchange method is based on the unequal probability equilibrium distribution characteristics of hydrogen isotopes among the reacting molecules. The separation coefficient α of the exchange reaction changes with temperature. The higher the temperature, the closer α tends to 1.
In the cold tower, deuterium is enriched from the gas phase to the liquid phase. In the hot tower, α decreases as the temperature increases, so the opposite mass transfer process occurs, that is, deuterium is transferred from the liquid phase to the gas phase. In this way, the low-temperature main tower, that is, the cold tower, is used for enrichment, and the high-temperature auxiliary tower, that is, the hot tower, is used to achieve phase conversion, so that the water is depleted to form low-deuterium water. However, the industrial application of the water/hydrogen dual-temperature exchange method has the following problems: on the one hand, the cooling tower must use expensive platinum-based hydrophobic catalysts as fillers, and the system construction cost is high; on the other hand, the exchange reaction of water/hydrogen isotopes It includes two continuous processes of liquid phase catalytic exchange and vapor phase catalytic exchange, and the control of parameters such as temperature and flow rate is relatively complex.
In summary, due to the limitations of existing methods, the cost of preparing low-deuterium water is generally high and difficult to produce on a large scale. This also severely limits the promotion and application of low-deuterium water in the biomedical field.

Contents of the invention
The purpose of the present invention is to provide a low-deuterium water preparation system and its implementation method, which mainly solves the problem of high processing costs in the existing low-deuterium water preparation methods.
In order to achieve the above objects, the technical solutions adopted by the present invention are as follows:
A low deuterium water preparation system includes a raw material water tank, a first liquid metering pump and a second liquid metering pump with input ends connected to the output end of the raw material water tank, and a first vaporizer with an input end connected to the output end of the first liquid metering pump. , the second vaporizer whose input end is connected to the output end of the second liquid metering pump, the input end is connected to the output end of the first vaporizer and the first fixed bed reactor filled with iron powder with a particle size <100nm, and the input end is connected to the first fixed bed reactor at the same time. The respective output ends of the two vaporizers and the first fixed bed reactor are connected and the third fixed bed reactor filled with porous nickel foam, the input end is connected to the first condenser which is connected to the output end of the third fixed bed reactor, and A first water storage tank connected to the output end of the first condenser, and a deuterium-depleted hydrogen circulation treatment device connected to the output end of the first condenser for collecting deuterium-depleted product water.
Specifically, the deuterium-depleted hydrogen circulation treatment device includes a hydrogen storage tank connected to the output end of the first condenser, a gas circulation pump whose input end is connected to the hydrogen storage tank, and the input end is connected to the output end of the gas circulation pump. and a second fixed-bed reactor filled with ferroferric oxide powder with a particle size <100 nm, a second condenser with an input end connected to the output end of the second fixed-bed reactor, and a second condenser connected to the output end of the second condenser of the second water storage tank.
Further, the first vaporizer is simultaneously connected to the first fixed bed reactor and the second fixed bed reactor through a first three-way valve; the third fixed bed reactor is simultaneously connected to the first fixed bed reactor through a second three-way valve. The bed reactor is connected to the second fixed bed reactor.
Furthermore, the gas circulation pump is simultaneously connected to the first fixed bed reactor and the second fixed bed reactor through a third three-way valve; the second condenser is simultaneously connected to the first fixed bed reactor through a fourth three-way valve. The reactor is connected to a second fixed bed reactor.
Preferably, the first three-way valve, the second three-way valve, the third three-way valve and the fourth three-way valve are all two-position three-way valves.
Furthermore, all connected parts and components are connected through pipes, and the outer walls of all pipes are wrapped with fiberglass heating tapes.
In order to achieve thermal insulation of the pipeline, the outer layer of the fiberglass heating tape is also wrapped with an aluminum silicate fiber cotton layer.
According to the above system structure, the present invention also provides a method for implementing the low deuterium water preparation system, which includes the following steps:
(1) Switch the first three-way valve and the second three-way valve to connect the first fixed bed reactor to the first vaporizer and the third fixed bed reactor at the same time. Switch the third three-way valve to connect the gas circulation pump to the third fixed bed reactor. The two fixed bed reactors are connected; the fourth three-way valve is switched to connect the second fixed bed reactor with the second condenser;
(2) Turn on the first liquid metering pump and the second liquid metering pump respectively, divide the water stored in the raw water tank into two pumps, and enter the first vaporizer and the second vaporizer respectively to form water vapor;
(3) The water vapor in the second vaporizer enters the third fixed-bed reactor; at the same time, the water vapor in the first vaporizer enters the first fixed-bed reactor and undergoes an oxidation-reduction reaction with iron powder to generate hydrogen and tetrahydrogen. Oxide ferric iron, and then hydrogen enters the third fixed bed reactor;
(4) Hydrogen and water vapor undergo a hydrogen-water catalytic exchange reaction in the third fixed-bed reactor, and deuterium is transferred from hydrogen to water vapor to obtain deuterium-poor hydrogen and deuterium-rich water vapor;
(5) Deuterium-poor hydrogen and deuterium-rich water vapor enter the first condenser at the same time. Deuterium-rich water vapor is condensed into liquid water and collected into the first water storage tank under the action of gravity; at the same time, deuterium-poor hydrogen is condensed into liquid water. Send it to the hydrogen storage tank
(6) Turn on the gas circulation pump and pump the deuterium-depleted hydrogen in the hydrogen storage tank into the second fixed-bed reactor to undergo an oxidation-reduction reaction with ferric oxide to generate deuterium-depleted water vapor and metallic iron; deuterium-depleted water vapor It enters the second condenser and is condensed into deuterium-depleted product water, which is collected under gravity into the second water storage tank for storage.
Further, if both the first fixed bed reactor and the second fixed bed reactor fail, perform the following steps:
(a) Switch the first three-way valve and the second three-way valve to connect the second fixed bed reactor to the first vaporizer and the third fixed bed reactor at the same time. Switch the third three-way valve to connect the gas circulation pump to the third fixed bed reactor. A fixed bed reactor is connected; the fourth three-way valve is switched to connect the first fixed bed reactor with the second condenser;
(b) Turn on the first liquid metering pump and the second liquid metering pump respectively, pump the water stored in the raw water tank into two channels, and enter the first vaporizer and the second vaporizer respectively to form water vapor;
(c) The water vapor in the second vaporizer enters the third fixed-bed reactor; at the same time, the water vapor in the first vaporizer enters the second fixed-bed reactor and undergoes an oxidation-reduction reaction with iron powder to generate hydrogen and tetrahydrogen. Oxide ferric iron, and then hydrogen enters the third fixed bed reactor;
(d) Perform steps (4) to (6), and switch the second fixed bed reactor in step (6) to the first fixed bed reactor.
Compared with the prior art, the present invention has the following beneficial effects:
(1) In the present invention, a vaporizer and a fixed bed reactor are set up, and iron powder, ferric oxide and porous nickel foam are respectively loaded into the corresponding fixed bed reactors, and then a condenser and a deuterium-depleted hydrogen circulation treatment device are set up. , thereby realizing the oxidation, reduction and hydrogen-water catalytic exchange reactions of hydrogen, combined with the physical changes of condensation and the circulation treatment of hydrogen, to prepare low-deuterium water with a very low deuterium concentration.
After testing, the low-deuterium water preparation method designed in the present invention has a large separation coefficient (≥2.0). Therefore, compared with the traditional distillation method, the volume of the equipment of the present invention is significantly reduced, and the construction cost and operating energy consumption are reduced. significantly reduce.
(2) Compared with equipment that uses water/hydrogen dual-temperature exchange method to prepare low-deuterium water, the present invention does not require a cooling tower for liquid-phase catalytic exchange reaction, so it has a simple structure and a small footprint; and, the present invention The thermal tower filler can meet the requirements by using low-priced porous nickel foam and does not require the use of expensive platinum-based precious metal catalysts. Therefore, the construction cost and operating energy consumption of the system are also significantly reduced.
(3) The present invention sets up a first fixed bed reactor and a second fixed bed reactor in parallel, and makes full use of the reversible reaction characteristics of the filler iron filled in them after cooperating with the switching of multiple three-way valves. One of the two fixed-bed reactors is always in the iron reduction state and the other is in the iron oxidation state. This not only cleverly realizes the continuous operation of the entire system, but also the filler can be used repeatedly without replacement, which greatly improves the efficiency of low-deuterium water. The preparation efficiency is high, and it creates very favorable conditions for quickly obtaining low-deuterium water with lower deuterium concentration.
The present invention can obtain low-deuterium water with a deuterium concentration of ≤100 ppm at a relatively lower cost, which also provides a good foundation for the promotion and application of low-deuterium water in the biomedical field.
(4) The implementation of the design of the present invention only requires natural water as raw material, and does not require auxiliary media such as hydrogen to obtain the required low-deuterium water. Therefore, the system operation is simpler. At the same time, each reaction is carried out in a series of fixed beds. It is carried out in a closed-circuit system connected to the reactor, so the safety of the system is also higher
(5) In the present invention, all pipes used for connecting components are wrapped with fiberglass heating tapes, and the fiberglass heating tapes are also wrapped with a layer of aluminum silicate fiber cotton, which can realize heating and insulation of the pipelines, making the pipelines The temperature everywhere is kept above 100°C to avoid premature condensation of water vapor into liquid water during the preparation of low-deuterium water.

Description of the drawings
Figure 1 is a schematic diagram of the system structure of the present invention.
Figure 2 is a schematic flow chart of the present invention.
Figure 3 is another flow diagram of the present invention.
Among them, the names of parts corresponding to reference marks are:
1-raw material water tank, 2-first liquid metering pump, 3-second liquid metering pump, 4-first vaporizer, 5-second vaporizer, 6-first three-way valve, 7-first fixed bed reactor, 8-The second fixed bed reactor, 9-The second three-way valve, 10-The third fixed bed reactor, 11-The first condenser, 12-The first water storage tank, 13-Hydrogen storage tank, 14-Gas Circulation pump, 15-third three-way valve, 16-fourth three-way valve, 17-second condenser, 18-second water storage tank.

Detailed ways
The present invention will be further described below in conjunction with the accompanying drawings and examples. Implementations of the present invention include, but are not limited to, the following examples.

Example
As shown in Figure 1, the present invention provides a brand new system for preparing low deuterium water, which includes a raw water tank 1, a first liquid metering pump 2, a second liquid metering pump 3, a first vaporizer 4, and a second vaporizer 5 , the first fixed bed reactor 7, the third fixed bed reactor 10, the first condenser 11 and the deuterium-depleted hydrogen circulation treatment device.
The raw material water tank 1 is used to load liquid water, and has two water outlet pipelines, which are respectively connected to the first liquid metering pump 2 and the second liquid metering pump 3. In this embodiment, both liquid metering pumps use The diaphragm pump controls the flow of two-way liquid water through stroke and frequency adjustment. The stroke is used for rough adjustment of flow, and the frequency adjustment uses a frequency converter for fine adjustment of flow.
The first vaporizer 4 is connected to the first liquid metering pump 2, and the second vaporizer 5 is connected to the second liquid metering pump 3. The vaporizer is used to vaporize liquid water into water vapor. In this embodiment, both vaporizers use Stainless steel spiral coiled tube, the coiled tube is placed in the heating furnace, the liquid water enters the spiral tube at high temperature, and is heated and vaporized directly into water vapor.
The temperature-control thermocouple probe of the heating furnace is placed at the outlet of the vaporizer. By adjusting the heating power, it can ensure that the steam temperature at the outlet of the vaporizer is ≥200°C, and there is no liquid water retention, which facilitates accurate control of steam flow.
The first fixed bed reactor 7 is filled with ultra-fine iron powder with a particle size of <100nm, which is used to react with water vapor to generate hydrogen and ferric oxide, and then ferric oxide can react with hydrogen to produce iron and water.
The input end of the third fixed bed reactor 10 is connected to the respective output ends of the second vaporizer 5 and the first fixed bed reactor 7 at the same time, and is filled with porous nickel foam as a filler for hydrogen and water vapor. A catalytic exchange reaction occurs. In this embodiment, the reaction of the third fixed bed reactor 10 is 200°C. Calculated according to the exchange reaction equilibrium constant, the water-hydrogen exchange equilibrium constant is about 2 at 200°C, and the deuterium in the hydrogen will move to the water. It is enriched in the steam to obtain deuterium-poor hydrogen and deuterium-rich water vapor.
The input end of the first condenser 11 is connected to the output end of the third fixed bed reactor 10 for condensing deuterium-rich water vapor into liquid water, and then collecting it and connecting it to the output end of the first condenser 11 in the first water storage tank 12.
The first condenser 11 in this embodiment is a conventional vertical shell-and-tube heat exchanger, with cooling water flowing on the shell side and water vapor flowing on the tube side. The heat exchange area is determined based on the gas flow rate and temperature difference.
The gas outlet temperature can be lowered to room temperature through parameter settings, most of the water vapor will be condensed into liquid water, and the water content in the remaining hydrogen is <2%.
The deuterium-depleted hydrogen recycling treatment device is used to collect deuterium-depleted hydrogen and process it to obtain deuterium-depleted water products.
Specifically, the deuterium-depleted hydrogen circulation treatment device includes a hydrogen storage tank 13 connected to the output end of the first condenser 11, a gas circulation pump 14 connected to the input end of the hydrogen storage tank 13, and a gas circulation pump 14 with an input end connected to the gas circulation pump 14. The output end is connected to a second fixed bed reactor 8 filled with Fe3O4 with a particle size of <100 nm, the input end is connected to the second condenser 17 of the second fixed bed reactor 8, and the second condenser 17 is connected to the output end of the second fixed bed reactor 8, and the The output end of the second condenser 17 is connected to the second water storage tank 18 .
The first vaporizer 4 is simultaneously connected to the first fixed bed reactor 7 and the second fixed bed reactor 8 through the first three-way valve 6; the third fixed bed reactor 10 is simultaneously connected through the second three-way valve 9 Connected to the first fixed bed reactor 7 and the second fixed bed reactor 8 .
The gas circulation pump 14 is simultaneously connected to the first fixed bed reactor 7 and the second fixed bed reactor 8 through the third three-way valve 9; the second condenser 17 is simultaneously connected through the fourth three-way valve 16 Connected to the first fixed bed reactor 7 and the second fixed bed reactor 8 .
The first three-way valve 6, the second three-way valve 9, the third three-way valve 15 and the fourth three-way valve 16 used above are all two-position three-way valves, and the valves are switched manually or pneumatically.
The second condenser 17 is also a water-cooled vertical shell-and-tube heat exchanger.
The hydrogen storage tank 13 is a flexible airbag, its volume can change with the gas storage capacity, and the air pressure in the container is maintained at normal pressure.
The gas circulation pump 14 is a bellows pump, which can not only meet the air tightness requirements of hydrogen, but also ensure that the sealing material will not pollute the gas.
As shown in Figure 2, using the above system, the process of collecting deuterium-depleted water products in this embodiment is introduced below.
Take the preparation of low-deuterium water with a deuterium concentration of 100 ppm as an example.
First, use natural water as raw water and put it into the raw water tank 1. Then switch the first three-way valve 6 and the second three-way valve 9 so that the first fixed-bed reactor 7 can communicate with the first vaporizer 4 and the third vaporizer at the same time. Fixed bed 10 is connected; switch the third three-way valve 15 to connect the gas circulation pump 14 to the second fixed bed reactor 8; switch the fourth three-way valve 16 to connect the second fixed bed reactor 7 to the second condenser 17 Connected.
Then the first liquid metering pump 2 and the second liquid metering pump 3 are turned on respectively, and the raw water stored in the raw water tank is divided into two pumps (A and B in Figure 2), and enters the first vaporizer respectively. 4 and the second vaporizer 5, water vapor is formed.
The water vapor from route B enters the third fixed bed reactor 10, while the water vapor from route A enters the first fixed bed reactor 7 and undergoes an oxidation reaction with iron powder to generate hydrogen and ferric oxide, and then hydrogen Then it enters the third fixed bed reactor 10 to be mixed with water steam.
The mixed hydrogen and water vapor, catalyzed by the porous nickel foam filler, undergo a hydrogen-water catalytic exchange reaction, and deuterium is transferred from hydrogen to water vapor to obtain deuterium-poor hydrogen and deuterium-rich water vapor.
The obtained deuterium-poor hydrogen and deuterium-rich water vapor enter the first condenser 11 at the same time, and the deuterium-rich water vapor is condensed into liquid water and collected into the first water storage tank 12 under the action of gravity; at the same time, the deuterium-poor hydrogen is sent to the hydrogen storage tank 13.
The gas circulation pump 14 is turned on, and the deuterium-depleted hydrogen in the hydrogen storage tank 13 is pumped into the second fixed-bed reactor 8 to undergo a reduction reaction with ferroferric oxide to generate deuterium-depleted water vapor and metallic iron.
Immediately afterwards, the deuterium-depleted water vapor enters the second condenser 17 and is condensed into deuterium-depleted product water, and is collected into the second water storage tank 18 under the action of gravity.
After the above processing, the second water storage tank 18 can collect the deuterium-depleted water product with low deuterium concentration.
To obtain low deuterium water with a lower deuterium concentration, the above cycle process can also be used; for example, after obtaining a first-level deuterium-depleted water product with a deuterium concentration of 100 ppm, it is necessary to obtain a second-level deuterium-depleted water product with a deuterium concentration of 69 ppm. , then the first-level deuterium-depleted water product can be used as raw material and sent to the water tank 1, and then the above treatment process can be continued to cycle.
It should be noted that in the above system, the connected components are all connected through pipelines, and the outer walls of all pipelines are wrapped with fiberglass heating tapes to provide heat to the pipelines.
In addition, the outer layer of the pipe is also wrapped with an aluminum silicate fiber cotton layer, which serves as a thermal insulation material to keep the temperature throughout the pipe above 100°C to prevent water vapor from condensing into liquid water.
As shown in Figure 3, when the first and second fixed bed reactors fail, the first fixed bed reactor 7 changes to the oxidation state, that is, ferric oxide, and the second fixed bed reactor 8 changes to the reduction state, that is, metal iron.
Use the following steps to continue working:
First, use natural water as raw water and put it into the raw water tank 1. Then switch the first three-way valve 6 and the second three-way valve 9 so that the second fixed-bed reactor 7 can communicate with the first vaporizer 4 and the third vaporizer at the same time. The fixed bed 10 is connected; switch the third three-way valve 15 to connect the gas circulation pump 14 to the first fixed bed reactor 8; switch the fourth three-way valve 16 to connect the first fixed bed reactor 7 to the second condenser 17 Connected.
Then the first liquid metering pump 2 and the second liquid metering pump 3 are turned on respectively, and the raw water stored in the raw water tank is divided into two pumps (A and B in Figure 2), and enters the first vaporizer respectively. 4 and the second vaporizer 5, water vapor is formed.
The water vapor from route B enters the third fixed bed reactor 10, while the water vapor from route A enters the second fixed bed reactor 7 and undergoes an oxidation reaction with iron powder to generate hydrogen and ferric oxide, and then hydrogen Then it enters the third fixed bed reactor 10 to be mixed with water steam.
The mixed hydrogen and water vapor, catalyzed by the porous nickel foam filler, undergo a hydrogen-water catalytic exchange reaction, and deuterium is transferred from hydrogen to water vapor to obtain deuterium-poor hydrogen and deuterium-rich water vapor.
The obtained deuterium-poor hydrogen and deuterium-rich water vapor enter the first condenser 11 at the same time, and the deuterium-rich water vapor is condensed into liquid water and collected into the first water storage tank 12 under the action of gravity; at the same time, the deuterium-poor hydrogen is sent to the hydrogen storage tank 13.
The gas circulation pump 14 is turned on, and the deuterium-depleted hydrogen in the hydrogen storage tank 13 is pumped into the first fixed bed reactor 8 to undergo a reduction reaction with ferric tetraoxide to generate deuterium-depleted water vapor and metallic iron.
Immediately afterwards, the deuterium-depleted water vapor enters the second condenser 17 and is condensed into deuterium-depleted product water, and is collected into the second water storage tank 18 under the action of gravity.
In order to obtain low-deuterium water with a lower deuterium concentration, the deuterium-depleted product water collected in the second water storage tank 18 can be used as raw material and sent to the raw material water tank 1 in the same manner as in Embodiment 1, and then the above-mentioned treatment process can be continued to circulate.
In the present invention, two fixed-bed reactors can be arranged in parallel and then placed in the same electric furnace. In this way, the heat released by the oxidation reaction can be used to compensate for the heat absorption of the reduction reaction. This heat The comprehensive utilization can effectively reduce the heating energy consumption of electric furnaces.
The low-deuterium water preparation system designed by the present invention significantly reduces the preparation cost of low-deuterium water compared with the traditional distillation method and water/hydrogen dual-temperature catalytic exchange method, and is conducive to the use of low-deuterium water in the biomedical field. Promote applications.
Therefore, the present invention breaks through the limitations of the existing technology, achieves major innovation, and conforms to the trend of scientific and technological development.
Compared with the prior art, the present invention has outstanding substantive features and significant progress.



CN109455669 --
System and method for preparing deuterium-depleted water and deuterium-rich water by separating natural water

The invention discloses a system for preparing deuterium-depleted water and deuterium-rich water by separating natural water. A core of the system is provided with a closed loop, a plurality of separation columns are sequentially connected in an end-to-end manner to form the closed loop, the system further comprises a raw material water storage tank, a deuterium-rich water storage tank, a deuterium-depleted water storage tank, a metering pump, a carburetor, pipelines and valves, and the pipelines and the valves are connected with the devices. According to the system, separation is implementedby the aid of moving bed simulation principles, raw material water vapor circularly moves in the closed loop formed by the separation columns through sequentially heating and cooling of the separationcolumns and control of a one-way valve, a constantly increased deuterium concentration gradient is acquired along with increase of cycle number, the deuterium-rich water is extracted from the top ofthe separation column at the near end of a heating loop, and the deuterium-depleted water is extracted from the bottom of the separation column at the far end of the heating loop after certain times of heating and cooling circulation of the separation columns are implemented. The system is simple in structure, convenient to control, smaller in device size and lower in construction cost, fillers are low in cost, and the natural water can be directly separated by the aid of a semi-continuous mode to prepare the deuterium-depleted water and the deuterium-rich water.

Technical field
The invention relates to the technical field of water treatment, and specifically relates to a system and method for separating natural water to prepare deuterium-poor water and deuterium-rich water.

Background technique
Low-deuterium water refers to water with a deuterium content of less than 150 ppm. Tests by Hungarian scientist Gabor Somlyai and Japan's Kanagawa University Kanbanbo and others have proven that low-deuterium water has a variety of biological effects that are beneficial to the human body: activating human cells and enhancing human immunity. , anti-cancer and health care functions, etc.
Low-deuterium water is currently an important auxiliary product for cancer treatment in the world. Some countries in the world that have the conditions are committed to the research and development of low-deuterium water. For example, Japan, the United States, Romania, etc. have put products on the market. In the field of cancer treatment Already applied in advance.
On the other hand, heavy water (D<sub>2</sub>O) with a high deuterium content also has extremely important uses.
Heavy water can be used as a moderator in nuclear reactors, reducing the speed of neutrons and controlling the nuclear fission process; heavy water is a valuable tracer material in studying chemical and physiological changes, such as measuring the metabolism of water in plants and animals. process; in addition, if the research object of NMR analysis is hydrogen, heavy water is also used as the solvent.
The raw materials for the production of low-deuterium water and heavy water are natural water with abundant resources and low price. The current methods for producing low-deuterium water and heavy water mainly include high-tower stratified distillation and water/hydrogen dual-temperature exchange method.
The distillation method is based on the different volatilities of various components of natural water (such as H<sub>2</sub>O, HDO, and a very small amount of D<sub>2</sub>O), and hydrogen isotope separation can occur during the coexistence of gas and liquid phases. During the rising process of steam, H<sub>2</sub>O is gradually enriched at the top of the column due to its high volatility. During the process of the liquid overflowing to the bottom of the column step by step, HDO (including a very small amount of D<sub>2</sub>O) is gradually enriched at the bottom of the column due to its low volatility. Enrichment. The advantage of the water distillation method is that it does not require the use of catalysts or chemical reagents, and the production process is simple and mature; however, because the separation coefficient is very small, about 1.03 to 1.06, many separation stages need to be connected in series, so the equipment is tall and complex, and the construction investment is large; in addition , due to the need for repeated condensation and vaporization, a very large amount of water needs to be processed during the production process, which consumes a lot of energy and has high operating costs. The water/hydrogen dual-temperature exchange method is based on the unequal probability equilibrium distribution characteristics of hydrogen isotopes among the reacting molecules. The separation coefficient α of the exchange reaction changes with the temperature. The higher the temperature, the more α tends to 1. In the cold tower, deuterium is enriched from the gas phase to the liquid phase. In the hot tower, α decreases as the temperature increases, so the opposite mass transfer process occurs, that is, deuterium is transferred from the liquid phase to the gas phase. In this way, the low-temperature main tower, that is, the cold tower, is used for enrichment, and the high-temperature auxiliary tower, that is, the hot tower, is used to achieve phase conversion, so that the water is depleted to form low-deuterium water. However, the industrial application of the water/hydrogen dual-temperature exchange method has the following problems: on the one hand, the cooling tower must use expensive platinum-based hydrophobic catalysts as fillers, and the system construction cost is high; on the other hand, the exchange reaction of water/hydrogen isotopes It includes two continuous processes of liquid phase catalytic exchange and vapor phase catalytic exchange, and the control of parameters such as temperature and flow rate is relatively complex.
Japanese research shows that silica gel, activated alumina and 5A molecular sieve are used as fillers to separate tritiated water (HTO) and light water (H<sub>2</sub>O) in fixed bed carrier gas flow mode.
However, current water separation research using the above-mentioned inorganic fillers only uses a small-scale fixed bed carrier gas purge mode. After bed penetration, there is a large amount of water remaining in the molecular sieve filler, which requires complex regeneration before it can be reused, and the separation efficiency is low. , has no practical application value.

Contents of the invention
Based on the above problems, the present invention proposes a system for separating natural water to prepare deuterium-poor water and deuterium-rich water. Compared with the traditional distillation method and double-temperature exchange method, this system has a simple structure, cheap fillers, convenient control, and larger equipment scale. It is small and has lower construction cost. It can use semi-continuous mode to directly separate natural water to produce deuterium-poor water and deuterium-rich water.
In order to achieve the above objects, the technical solutions adopted by the present invention are as follows:
A system for separating natural water to prepare deuterium-poor water and deuterium-rich water, including a sealed electric heating box, a separation component arranged inside the electric heating box, and a raw water storage tank, a deuterium-rich water storage tank and a deuterium-depleted water storage tank arranged outside the electric heating box. Water storage tank; the separation component includes separation columns No. 1 to No. Water pipe, the raw material water inlet pipe is installed through the electric heating box, and the raw material water inlet pipe outside the electric heating box is equipped with a metering pump, and the raw material water inlet pipe inside the electric heating box is equipped with a vaporizer, and the upper end of the No. 1 to No. n-1 separation columns They are respectively connected to the raw material water inlet pipes through their corresponding No. 1 to No. n-1 feed valves; the deuterium-rich water storage tank is provided with a deuterium-rich water pipe, and the deuterium-rich water pipe is installed through the electric heating box, and the 1 The upper end of the No. n separation column is connected to the deuterium-rich water pipe through a deuterium-rich water valve; the deuterium-depleted water storage tank is provided with a deuterium-depleted water pipe, and the deuterium-depleted water pipe is installed through the electric heating box; the lower end of the No. n separation column passes through the deuterium-depleted water The valve is connected to the deuterium-depleted water pipe.
Specifically, it also includes a vacuum pump arranged outside the electric heating box. The vacuum pump is provided with a vacuum tube. The vacuum tube is arranged through the electric heating box. The lower ends of the No. 1 to No. n separation columns pass through the corresponding No. 1 to No. n columns respectively. The vacuum valve is connected to the vacuum pipe pipeline.
Specifically, the electric heating box is a phenolic foam board box, with a dry-burning electric heating rod installed at the bottom of the electric heating box, and the temperature inside the box is not lower than 100°C.
As a preferred option, the separation column uses molecular sieve as filler.
As a preferred solution, the separation column is a Φ50-Φ250 stainless steel pipe, with a stainless steel head welded on the end face, and connected to a Φ10-Φ20 stainless steel bellows, and the bellows are connected by ferrules or welding.
As a preferred solution, the outer wall of the separation column is wrapped with a stainless steel mica thin-walled annular heating ring so that its rated operating temperature is not less than 500°C.
As a preferred solution, the metering pump is a diaphragm pump.
Further, the vaporizer is a stainless steel spiral coil tube. The coil tube is placed in the heating furnace. The liquid water enters the spiral tube at a high temperature and is heated and vaporized directly into steam without any retention of liquid water.
Furthermore, the vacuum pump is a combination of a water ring pump and a rotary vane pump. The front stage is a water ring pump, and the rear stage is a rotary vane pump with a gas ballast valve.
The invention also provides a method for preparing deuterium-poor water and deuterium-rich water using the above system. This method can directly separate natural water in a semi-continuous mode to produce deuterium-poor water and deuterium-rich water. The operation is simple and the separation efficiency is high. The separation effect is good.

The method for preparing deuterium-poor water and deuterium-rich water using the above system includes the following steps:
S1: Set the internal temperature of the electric heating box to above 100°C, turn on the heating ring outside the separation column to raise the temperature of each separation column to above 300°C, vacuum to remove the residual water vapor in the separation column, and then lower it to 100°C;
S2: The natural water in the raw water storage tank is extracted through the metering pump, and then converted into water vapor through the vaporizer, and then enters the No. 1 to No. n-1 separation columns;
S3: Turn on the heating ring to raise the temperature of the No. 1 separation column to above 300°C. The water vapor in the No. 1 separation column desorbs and the pressure in the column rises. When it exceeds the opening pressure of the one-way valve, the water vapor moves backward into the No. 2 column. This in turn causes the water vapor in column No. 2 to enter column No. 3 through the one-way valve, and this process occurs in subsequent separation columns. Finally, all the water vapor in separation columns No. 1 to No. n-1 enters separation columns No. 2 to No. n. The first rearrangement is completed, and the deuterium concentration in the water vapor gradually decreases along No. 2→N. When there is no significant change in the pressure in the No. 1 separation column, vacuum the residual water vapor in the No. 1 column to regenerate it, and at the same time close the No. 1 column. J;
S4: When the temperature of column No. 1 drops to 100°C, turn on the heating of column No. 2. The water vapor will desorb and move backwards driven by the pressure difference. All the water vapor will enter the separation columns No. 3 to No. n and No. 1 to complete the second step. rearrangement; after the desorption of No. 2 column is completed, perform the regeneration of No. 2 column and the desorption of No. 3 column in the same way; the subsequent operations of the separation column can be deduced in sequence; when the desorption of the No. n separation column is completed, the water vapor undergoes the nth After the second rearrangement, the water vapor is again distributed in the separation columns No. 1 to No. n-1, indicating that the system has completed a cycle of separation;
S5: Connect the deuterium-rich water storage tank pipeline, turn on the heating ring to heat the No. 1 separation column, discharge the deuterium-rich water from the top of the No. 1 separation column and collect it; connect the deuterium-poor water storage tank pipeline, heat the n-1 separation column column, discharge deuterium-poor water from the bottom of the column and collect it; then inject raw water from the middle section of the separation loop to perform the next cycle of separation operation.
Compared with the prior art, the present invention has the following beneficial effects:
(1) The system of the present invention for separating natural water to prepare deuterium-poor water and deuterium-rich water adopts the simulated moving bed principle. Through the sequential heating/cooling of the separation column and the control of the one-way valve, the raw material water vapor circulates in the closed loop formed by the separation column. The deuterium concentration gradient is obtained by moving. The deuterium concentration is the highest at the proximal end of the heated desorption loop, while the deuterium concentration gradually decreases at the far end, and the deuterium concentration gradient continues to increase as the number of adsorption/desorption times of the separation column increases.
After the separation column undergoes a certain number of heating and cooling cycles, the separation column at the proximal end of the loop is heated to extract deuterium-rich water from the top of the column; the separation column at the far end of the loop is heated to extract deuterium-poor water from the bottom of the column; then injection and extraction are performed from the middle section of the loop equal amounts of raw material water vapor for the next stage of separation operation.
Compared with the traditional distillation method and double-temperature exchange method, it has a simple structure, cheap fillers, easy control, smaller equipment scale, and lower construction costs. It can use semi-continuous mode to directly separate natural water to produce deuterium-poor water and Deuterium rich water.
(2) The separation method of the present invention is flexible in operation and can easily obtain deuterium-poor water and deuterium-rich water with different deuterium contents through process control. The desired separation effect can be obtained by adjusting the number of separation columns or the number of cyclic separation operations. Adaptable.
(3) The present invention is based on simulated moving bed technology. In the system of the present invention, the adsorbent (i.e., the separation component) is fixed, and the fluid (i.e., natural water vapor) is continuously flowed in the separation loop through process parameter control, producing a similar Based on the gas and solid phase counterflow effect of a real moving bed, as time goes by, the deuterium concentration gradient of the water vapor adsorption zone in the solid phase molecular sieve continues to increase, thereby achieving the separation of deuterium-poor water and deuterium-rich water.
The system of the present invention not only has higher production capacity and separation efficiency than the traditional fixed bed, but also can avoid real moving bed adsorbent wear, debris or dust clogging, or channeling between solid particles.
(4) The present invention creatively applies simulated moving bed technology to the separation of natural water. Through the closed-loop separation system design, steam can continuously circulate in the closed-loop separation loop. Under temperature conditions above 100°C, H<sub>2</sub>O and HDO ( As well as the difference in adsorption/desorption performance of a very small amount of D<sub>2</sub>O) on molecular sieves, it can achieve one-step efficient separation using natural water as the direct treatment object, and simultaneously obtain deuterium-poor water and deuterium-rich water, which can effectively reduce preparation costs and expand application fields.
(5) The separation method of the present invention adopts cumulative cycle separation operation. The hydrogen/deuterium separation coefficient in natural water is significantly larger than that of the distillation method. Compared with the traditional distillation method, the equipment volume is significantly reduced, and the construction cost and operating energy consumption can be greatly reduced; compared with water /Hydrogen dual-temperature exchange method, the filling material is low-priced molecular sieves, does not require the use of platinum-based precious metal catalysts, and has stable long-term performance, thus greatly reducing system costs.
(6) The working medium of the separation method of the present invention is only water vapor with a temperature of about 100°C. The separation operation is carried out in a closed loop composed of a series of separation columns. There is no need for auxiliary media such as hydrogen, so it is not only easier to operate, but also flame-free. explosion and other safety risks.
(7) Since the raw material is natural water, while deuterium-poor water is produced, deuterium-rich water can also be obtained as a raw material for heavy water production. Therefore, the preparation cost of deuterium-poor water can be greatly reduced, which will help promote the use of deuterium-poor water in biology. Applications in the medical field.

Description of the drawings
Figure 1 is a schematic structural diagram of the system of the present invention.
Among them, the names corresponding to the reference signs are:
1-separation column, 11-one-way valve, 2-vacuum pump, 21-vacuum tube, 22-vacuum valve, 3-raw water storage tank, 31-raw material water inlet pipe, 32-feed valve, 33-metering pump, 34- Vaporizer, 4-deuterium-rich water storage tank, 41-deuterium-rich water pipe, 42-deuterium-rich water valve, 5-deuterium-poor water storage tank, 51-deuterium-poor water pipe, 52-deuterium-poor water valve.

Detailed ways
The present invention will be further described below in conjunction with the description of the drawings and examples. The modes of the present invention include but are not limited to the following examples.

Example
The purpose of this embodiment is to provide a system for separating natural water to prepare deuterium-poor water and deuterium-rich water, which not only helps to solve the current high cost problem of deuterium-poor water prepared by distillation and double-temperature exchange methods, but also can obtain deuterium-poor water at the same time. Deuterium-enriched water is used as a raw material for heavy water production.
A system for separating natural water to prepare deuterium-poor water and deuterium-rich water. As shown in Figure 1, the system includes a sealed electric heating box, a separation component arranged inside the electric heating box, and a raw water storage tank 3 arranged outside the electric heating box. , deuterium-rich water storage tank 4, deuterium-poor water storage tank 5 and vacuum pump.
The electric heating box is a phenolic foam board box, and a dry-fired electric heating rod is installed at the bottom of the electric heating box to make the temperature inside the box above 100°C to ensure that water vapor will not condense into liquid water.
Specifically, the core of the system is the separation component. The separation component is a plurality of separation columns (No. 1 to No. n, n≥2). The separation columns are numbered (No. 1→No. 2→…→No. n→No. 1). A closed loop is formed by connecting pipelines in sequence. The pipelines between adjacent separation columns are also equipped with one-way valves 11 for waterproof steam reflux. The opening pressure difference of all one-way valves is adjustable from 0.1MPa to 0.5MPa. When the pressure inside the column Exceeding the set value can cause unidirectional flow to the rear separation column.
The separation column uses molecular sieves as fillers, such as 4A, 5A, carbon molecular sieves, etc. This is because molecular sieve fillers not only still have a water absorption rate of more than 15% above 100°C, but also have stable properties and will not powder during the adsorption/desorption process. chemical and can be used for a long time; the separation column is a Φ50~Φ250 stainless steel tube, with a stainless steel head welded on the end face, connected to a Φ10~Φ20 stainless steel bellows, and the bellows are connected by clamping or welding; and the outer wall of the separation column is wrapped with stainless steel mica thin Wall annular heating ring, long-term use temperature can reach 500℃.
The raw material water storage tank 3 is provided with a raw material water inlet pipe 31, which is provided through the electric heating box, and a metering pump 33 is provided on the raw material water inlet pipe 31 outside the electric heating box, and a metering pump 33 is provided on the raw material water inlet pipe inside the electric heating box. There is a vaporizer 34, and the upper ends of the No. 1 to No. n-1 separation columns are respectively connected to the raw water inlet pipes through the corresponding No. 1 to No. n-1 feed valves 32, and the raw water in the raw water storage tank is extracted through a metering pump. Natural water is converted into water vapor through the vaporizer and enters the No. 1 to No. n-1 separation columns; the metering pump 33 is a diaphragm pump that can perform two-dimensional adjustment of the output flow through stroke and frequency. The stroke is used for rough adjustment of flow. The frequency is used for fine adjustment of the flow rate; the vaporizer 34 is a stainless steel spiral coil tube, which is placed in the heating furnace. The liquid water enters the spiral tube at high temperature and is heated and vaporized directly into steam. There is no liquid water retention, which is convenient. Accurate control of steam flow.
The deuterium-rich water storage tank 4 is provided with a deuterium-rich water pipe 41. The deuterium-rich water pipe is installed through the electric heating box. The upper end of the No. 1 separation column is connected to the deuterium-rich water pipe through a deuterium-rich water valve 42;
The deuterium-depleted water storage tank 5 is provided with a deuterium-depleted water pipe 51. The deuterium-depleted water pipe is installed through the electric heating box. The lower end of the n separation column is connected to the deuterium-depleted water pipe through a deuterium-depleted water valve 52.
The vacuum pump 2 is provided with a vacuum tube 21, which runs through the electric heating box. The lower ends of the No. 1 to No. n separation columns are connected to the vacuum tube pipelines through corresponding No. 1 to No. n vacuum valves 22 respectively; It is a combination of a water ring pump and a rotary vane pump. The front stage is a water ring pump and the rear stage is a rotary vane pump with a gas ballast valve. It can obtain a high degree of vacuum under water vapor medium conditions.
This embodiment also provides a method for preparing deuterium-poor water and deuterium-rich water using the above system, which specifically includes the following steps:

S1: Set the internal temperature of the sealed electric heating box to above 100°C, turn on the heating ring outside the separation column to raise the temperature of each separation column to above 300°C, vacuum to remove the residual water vapor in the separation column, and then reduce it to about 100°C;
S2: The natural water in the raw water storage tank is extracted through the metering pump, and then converted into water vapor through the vaporizer, and then enters the No. 1 to No. n-1 separation columns;
S3: Turn on the heating ring to raise the temperature of the No. 1 separation column to above 300°C. The water vapor in the No. 1 separation column desorbs and the pressure in the column rises. When it exceeds the opening pressure of the one-way valve, the water vapor moves backward into the No. 2 column. This in turn causes the water vapor in column No. 2 to enter column No. 3 through the one-way valve, and this process occurs in subsequent separation columns. Finally, all the water vapor in separation columns No. 1 to No. n-1 enters separation columns No. 2 to No. n. After the first rearrangement is completed, the deuterium concentration in the water vapor gradually decreases along No. 2→N. When there is no significant change in the pressure in the No. 1 separation column (that is, after desorption is completed), vacuum the residual water vapor in the No. 1 column to regenerate it. , and turn off the No. 1 column heating ring at the same time;
S4: When the temperature of column 1 drops to about 100°C, open column 2 and heat it to above 300°C. The water vapor desorbs and moves backwards driven by the pressure difference. All the water vapor enters the separation of No. 3 to No. n and No. 1. column to complete the second rearrangement; after the desorption of column No. 2 is completed, regenerate column No. 2 and desorb column No. 3 in the same way to complete the third rearrangement; subsequent operations on the separation column are analogous; when the nth After the desorption of the separation column is completed, the water vapor is rearranged for the nth time, and the water vapor is again distributed in the separation columns No. 1 to No. n-1, indicating that the system has completed this cycle of separation;
S5: Connect the deuterium-rich water storage tank pipeline, turn on the heating ring to heat the No. 1 separation column, discharge the deuterium-rich water from the top of the No. 1 separation column and collect it; connect the deuterium-poor water storage tank pipeline, heat the n-1 separation column column, drain deuterium-depleted water from the bottom of the column and collect it.
S6: Sampling and analyzing the deuterium content of the water vapor in the 2#~(n-2)# separation column. Select a separation column with a deuterium content close to that of natural water, and inject raw water vapor from the top. The amount of injection is equal to that of deuterium-depleted water and deuterium-depleted water. The extraction amount of deuterium-rich water is equal; then the separation operation of the next cycle is carried out.
If the deuterium concentration and extraction amount of deuterium-rich water and deuterium-poor water separated in one cycle do not reach the expected values, you can obtain a larger deuterium concentration gradient by increasing the number of separation columns or the number of cycles to achieve the expected separation effect.
Compared with the traditional distillation method and double-temperature exchange method, it has a simple structure, cheap fillers, easy control, smaller equipment scale, and lower construction costs. It can use semi-continuous mode to directly separate natural water to produce deuterium-poor water and Deuterium rich water.
The separation system and method of this embodiment are introduced in detail below with two specific examples.

Example 1: Preparation of deuterium-depleted water in single cycle mode and deuterium concentration of 80ppm
The core components of the system for separating natural water to prepare deuterium-poor water and deuterium-rich water of the present invention are 8 separation columns (No. 1 to No. 8), and the separation columns are numbered (No. 1→No. 2→...→No. 8→No. 1) A closed loop is formed by connecting end-to-end pipelines in sequence; the system also includes raw water storage tanks, deuterium-rich water storage tanks, deuterium-poor water storage tanks, metering pumps, vaporizers, vacuum pumps, and pipes and valves connecting the above devices.
The separation column, metering pump, vaporizer and corresponding connecting pipes and valves are placed in a sealed electric heating box. The box of the electric heating box is made of phenolic foam board. There is a dry-burning electric heating rod at the bottom of the electric heating box, and a heating temperature control is installed outside the box. The temperature inside the box is controlled to 105℃~115℃. On the one hand, it ensures that the water vapor temperature in the system is higher than the boiling point and will not condense into liquid water; on the other hand, relatively small temperature fluctuations will not cause the filler to absorb water. Significant changes in quantity.
The separation column is a stainless steel tube with an outer diameter of Φ100, a wall thickness of 3mm, and a length of 800mm. The end face of the separation column is welded with a stainless steel head for sealing; the upper head of the separation column is connected to the outlet of the one-way valve, and the lower head is connected to the next stage The inlet end of the one-way valve of the separation column is connected with a Φ10 stainless steel ferrule.
The packing in the separation column is 5A molecular sieve with a particle size of Φ3 to Φ5. The packing amount of a single column is 3.5kg, and the corresponding water vapor adsorption capacity is about 500g.
The metering pump is a miniature diaphragm pump that adjusts the output flow in two dimensions through stroke and frequency. The stroke is used for coarse adjustment of flow, and the frequency is used for fine adjustment of flow.
The vaporizer is a Φ10 stainless steel spiral coil. The coil is placed in a tubular heating furnace. The temperature of the heating furnace is controlled above 200°C. Liquid water enters the spiral tube at high temperature and is heated and vaporized directly into steam. There is no retention of liquid water. , which facilitates accurate control of raw material steam flow.
The vacuum pump is a combination of a water ring pump and a rotary vane pump; the front stage is a water ring pump, and the rear stage is a rotary vane pump with a gas ballast valve.
The opening pressure difference of the one-way valves (V1 ~ V8) between the separation columns is set to 0.1MPa. When the pressure in the column exceeds the set value, one-way flow can occur to the rear separation column.
According to the above system composition, the simulated moving bed principle is used to separate natural water to prepare deuterium-poor water and deuterium-rich water. The specific implementation method is as follows:

S1: Control the internal temperature of the sealed electric heating box to 105°C ~ 115°C. Turn on the heating ring to raise the temperature of each separation column to 350°C. Evacuate the remaining water vapor in the separation column to make the steady-state vacuum degree better than 10Pa; then close the heating ring. , lowering the separation column temperature to 115°C.
S2: Extract the natural water in the raw water storage tank through a micro metering pump, convert it into water vapor through the vaporizer, and enter the 1#~7# separation columns; when the pressure in the 7# column reaches 0.02MPa, it means that the water vapor adsorption is saturated, corresponding to The total amount of water vapor adsorption is about 3500g.
S3: Turn on the heating ring to raise the temperature of the 1# separation column to 350°C. The water vapor in the 1# column desorbs and the pressure in the column rises. When it exceeds the one-way valve opening pressure by 0.1MPa, the water vapor moves backward into the 2# column. This in turn causes the water vapor in the 2# column to enter the 3# column through the one-way valve, and a similar process occurs in the subsequent separation columns. Finally, all the water vapor in the 1# ~ 7# separation columns enters the 2# ~ 8# separation columns, completing the first Second rearrangement; the deuterium concentration in water vapor gradually decreases along 2# → 8#.
When there is no significant change in the pressure in the 1# separation column, it means that the desorption is completed. Then vacuum the residual water vapor in the 1# column to regenerate it, and at the same time turn off the corresponding heater.
S4: When the temperature of column 1# drops to 115°C, turn on the heating of column 2#. The water vapor will desorb and move backward driven by the pressure difference. All the water vapor will enter the separation columns 3#~8# and 1# to complete the second time. rearrange.
After the desorption of the 2# column is completed, regenerate the 2# column and desorb the 3# column in the same manner as above; subsequent separation column operations can be deduced by analogy.
When the desorption of the 8# separation column is completed, the water vapor undergoes the eighth rearrangement, and the water vapor is again distributed in the 1# to 7# separation columns, indicating that the system has completed a cycle of separation; the water vapor forms a significant deuterium concentration gradient. The deuterium concentration at the top of the proximal #1 column is the highest, and the deuterium concentration at the bottom of the distal #7 column is the lowest.
S5: Extract products and add raw materials based on basic experimental data and the principle of material conservation: Connect the deuterium-rich water storage tank pipeline, heat the No. 1 separation column, and discharge the deuterium-rich water from the top of the column. The collection volume of deuterium-rich water is approximately 200g, the deuterium concentration is about 270ppm; connect the deuterium-depleted water storage tank pipeline, heat the No. 7 separation column, and discharge the deuterium-depleted water from the bottom of the column. The collection amount of deuterium-depleted water is about 300g, and the deuterium concentration is about 80ppm.
S6: Sampling and analyzing the deuterium content of the water vapor in No. 2 to No. 6 separation columns shows that the deuterium content of No. 5 separation column is close to that of natural water. Inject natural water vapor from the top of No. 5. The deuterium content of natural water is about 150ppm. Inject The amount is 500g; based on this method, it will not have a significant impact on the deuterium concentration gradient in the water vapor distribution zone.
By repeating the above steps, deuterium-poor water with a deuterium concentration of about 80 ppm and deuterium-rich water with a deuterium concentration of 270 ppm can be prepared in a semi-continuous mode.

Example 2: Preparation of deuterium-depleted water in double circulation mode with a deuterium concentration of 30ppm
Complete the first cycle separation according to steps S1 to S4 of Example 1;
Complete the second cycle separation according to steps S3~S4 of Example 1;
Then connect the deuterium-rich water storage tank pipeline, heat the No. 1 separation column, and discharge the deuterium-rich water from the top of the column. The collection volume of deuterium-rich water is about 160g, and the deuterium concentration is about 410ppm; connect the deuterium-poor water storage tank pipeline, and heat it. No. 7 separation column discharges deuterium-depleted water from the bottom of the column. The collection volume of deuterium-depleted water is about 340g, and the deuterium concentration is about 30ppm.
Deuterium content sampling and analysis of the water vapor in No. 2 to No. 6 separation columns showed that the deuterium content of No. 4 separation column was close to that of natural water. Natural water vapor was injected from the top of No. 4, and the injection amount was 500g.
By repeating the above steps, deuterium-poor water with a deuterium concentration of about 30 ppm and deuterium-rich water with a deuterium concentration of 410 ppm can be prepared in a semi-continuous mode.
It can be clearly seen from the above examples that the separation system of the present invention has a simple structure, cheap fillers, easy control, smaller equipment scale, and lower construction costs. When using this system for separation, the semi-continuous mode can be used to directly separate natural water. Deuterium-poor water and deuterium-rich water are produced with high separation efficiency and good separation effect.



Therapies :


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Abstract --- FIELD: food processing industry. ^ SUBSTANCE: drinking water with increased content of represents industrially obtained light water containing at least 997.13 g/kg (or at least 997.36 g/kg, or at least 997.51 g/kg) based on total water amount, wherein sum amount of 1H2D16O, 1H1D17O, 1H1D18O, and is at most 2.87 g/kg (or at most 2.64 g/kg, or at most 2.49 g/kg) based on total water amount. Drinking water with increased content of is useful in production of dairy, confectionary, bakery, fat-and-oil products, souses, fish and meat products, pasta, chewing gum, soy products, vinegar, vodka, brandy, tincture, balsam, liquor, alcohol cocktail, soft drink, mineralized water, functional products animal feed supplement. ^ EFFECT: water for optimization of isotopic composition in human body, foodstuffs and beverages of high technological characteristics.

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Abstract --- The invention relates to a gerontological and antitumoral method of treatment, by means of deuterium depleted water, which consists in administering light water, respectively superlight SU1 and SU2 RDW-type, having a deuterium content of 120 ppm D2O, as beverage or concentrated beverage, in two successive 30- day stages, separated from each other by a period of 90 ... 180 days.

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Abstract --- Individual's skin, hair, nails, mouth cavity care means for improving state and appearance thereof is selected from the group consisting of perfume means, cosmetic means, hygienic means containing light cleared water in the form of component or base, with content of 1H2 16O in light cleared water making at least 997.13 g/kg of total amount of H2O, and acceptable perfume components and/or base, and/or cosmetic components, and/or base, and/or hygienic components, and/or base, and/or active substances. Utilization of light water with increased content of 1H2 16O as best solvent and/or diluent, and/or carrier of other active components in receipt of said means is more effective in comparison with similar means prepared with the use of water with standard content of 1H2 16O. ^ EFFECT: increased efficiency in utilization of said means for improving state and appearance of individual's skin, hair, nails and mouth cavity.

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Abstract --- PROBLEM TO BE SOLVED: To provide a method for maintaining health by solving the following problem: usually retort foods such as rice gruel, cream, curry and the like are produced by using water, but they are impossible to more surely maintain human health by taking the same. SOLUTION: The retort pack foods such as rice gruel, cream, curry and the like are produced by using deuterium-depleted water (super light water). By taking the retort foods, one's health is possible to be maintained.

JP2004357678 -- TREATMENT OF CANCER, DIABETES MELLITUS, LEUKEMIA, APLASTIC ANEMIA AND INSOMNIA, TREATMENT AND PREVENTION OF SEVERE ACUTE RESPIRATORY SYNDROME (SARS), REJUVENATION, ACTIVATION OF CELL AND PROMOTION OF INCREASE OF IMMUNE CELL BY SOY SAUCE PREPARED BY USING DEUTERIUM-ATTRITED WATER (SUPER LIGHT WATER) AS RAW MATERIAL, AND METHOD FOR PRODUCING THE SAME
Abstract --- PROBLEM TO BE SOLVED: To provide a method for treating and preventing the following diseases and performing the rejuvenation, activation of cells and promotion of the increase of immune cells by solving problems such that, conventionary, the treatments of cancer, diabetes mellitus, leukemia, aplastic anemia and insomnia are usually coped with surgery, radiation treatments, medicinal treatments, and the like, and in these cases, patients visit directly to hospitals or clinics and receive treatments, but in the case of SARS, there is no treating method found. SOLUTION: This soy sauce produced by using deutrium attrited water (super light water) as the raw material can be used for the treatment and prevention of the cancer, diabetes mellitus, aplastic anemia, insomnia and SARS, rejuvenation, the activation of the cells and promotion of increase of the immune cells.

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This invention is a treatment method for aplastic anemia (myelodysplastic syndrome) by dripping the physiological saline solution prepared by using the deuterium-reduced water (super light water) as a solvent into the body of a patient.

JP2004315489 -- TREATMENT FOR PRESBYOPIA AND CATARACT, AND ACTIVATION OF CRYSTALLINE LENS WITH EYE LOTION OF DEUTERIUM-REDUCED WATER (SUPER LIGHT WATER)

This invention is to effectively carry out the prevention and treatment of presbyopia and cataract as well as the activation of crystalline lenses by using the eye lotion of deuterium-reduced water (super light water)

JP2004315488 -- TREATMENT OF CANCER, DIABETES, LEUKEMIA AND INSOMNIA AND REJUVENATION, ACTIVATION OF CELL AND PROMOTION OF IMMUNOCYTE INCREASE BY USING BEER BREWED IN DEUTERIUM-REDUCED WATER (SUPER LIGHT WATER) AS RAW MATERIAL

This invention effectively carries out the treatment of cancer, diabetes, leukemia and isomnia, rejuvenation, activation of cells, promotion of immunocyte increase by taking the beer that is brewed in the deuterium-reduced water (super light water) as raw water.

JP2004315487 -- MUSCLAR ENFORCEMENT BY TAKING SPORT DRINK CONTAINING DEUTERIUM-REDUCED WATER (SUPER LIGHT WATER) AS RAW MATERIAL, AND METHOD FOR PRODUCING THE SPORT DRINK

This invention is to carry out the muscle enforcement effectively by taking the sport drink that contains the deuterium-reduced water (super light water).

JP2004315486 -- THERAPY FOR APLASTIC ANEMIA (MYELODYSPLASTIC SYNDROME) WITH DEUTERIUM-REDUCED WATER (SUPER LIGHT WATER)

This invention is a therapeutic method for treating aplastic anemia (myelodysplastic syndrome) by drinking the deuterium-reduced water

JP2004275658 -- SMALL DAMP TOWEL PREPARED USING DEUTERIUM DEPLETED WATER (SUPER LIGHT WATER)

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The brewing mixture (Moromi) is prepared by using a mixture of water and the super-light water that includes ≤ 140 ppm of deuterium, or, as an activation agent, including ≤ 140 ppm of deuterium in the form of pharmaceutical products or pharmaceutical solution or of an aqueous solution acceptable to human, then fermenting the resultant Moromi to produce Japanese Sake including the super light water. This Sake is used for treating a variety of diseases and for enhancing healthiness of people and to treat cancer, diabetes, leukemia and insomnia and promote rejuvenation, activate cells and accelerate increase of immunocyte.

JP2004231627 -- POULTICE UTILIZING DEUTERIUM-ATTRITED WATER (SUPER LIGHT WATER), METHOD FOR TREATING WRINKLE, DARKENED SPOT, WART, SKIN CANCER AND RED BLOTCH WITH PACK

This method for treating the wrinkles, darkened spots, warts, skin cancer and red blotches is provided by using a poultice containing an aqueous solution containing deutrium-attrited water (super light water) or by using a packing containing the same

JP2004217610 -- TREATMENT OF CANCER, DIABETES, LEUKEMIA AND INSOMNIA, AND PROMOTION OF REJUVENATION, CELL ACTIVATION AND IMMUNOCYTE PROLIFERATION BY PHYSIOLOGICAL SALINE COMPRIZING DEUTERIUM-DEPLETED WATER

The treatment of cancer, diabetes, leukemia and insomnia, and the promotion of rejuvenation, cell activation and immunocyte proliferation can effectively be performed by the application of deuterium-depleted water (super light water) and the physiological saline containing the deuterium depleted water as a raw material.

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This method for preventing the jet lag is to drink specific deutrium-diminished water (super light water).

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The method for necrotizing abnormal cells such as the cancer cells, spots, wrinkles, of the skin is to take a bath by using the deutrium-diminished water (super light water) having 25-135 ppm deutrium water concentration as bath water

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The deutrium-reduced water contains water and 130-146 ppm deutrium content, or is an aqueous solution suitable for human, containing 130-146 ppm deutrium content as an activating agent together with a carrier or an assistant in the form of a pharmaceutical product or a medicinal solution form. The method for rejuvenation and health maintenance by drinking the deutrium-reduced water (super light water) to reduce the concentration of the deutrium is provided.

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