nukwastpats

Classification: - international: G21F9/00; G21G1/12; G21F9/00; G21G1/00; (IPC1-7): G21F9/00; - european: G21G1/12
Application number: US20010877624 20010608
Priority number(s): US20010877624 20010608; US19980105313 19980626

Abstract ~ Disclosed is a radioactive waste treatment process for transmuting long-lived radioisotopes into short-lived radioisotopes through applied nuclear physics. Nuclear reactions, specifically of the (gamma, n) type, also known as photodisintegration, are utilized to accomplish this transmutation from troublesome, long-lived radioactive waste isotope(s) of given atomic mass to shorter-lived or stable materials of lower atomic mass, by exposing the troublesome isotopes to a high energy photon flux for a sustained time. Generally speaking, the target nucleus of the radioisotope(s) to be treated is irradiated by gamma photons of an energy greater than the binding energy of the neutron in the target nucleus. This causes the irradiated nucleus to absorb the gamma rays, thereby placing the nucleus in an excited state. Upon relaxation, the nucleus ejects a neutron through the (gamma, n) reaction, thereby transmuting the element to an isotope of lower atomic mass and shorter half-life.

Applicant: CLUSTRON SCIENCES CORP (US)
Classification: - international: G21G1/00; G21G1/00; (IPC1-7): G21G1/00 - european: G21G1/00
Application number: WO1993US07444 19930810
Priority number(s): US19920927225 19920810
Cited documents: USP 4,986,887

Abstract ~ A method for generating high energy 32He particles includes the steps of accumulating protons and deuterons in intimate contact with a lattice structure storage member and repeatedly reacting one proton and one deuteron to produce 32He particles and excess energy greater than 6 MeV for each of the 32He particles. A method for controlling an energy production reaction of isotopic hydrogen atoms includes steps for storing a first isotope of hydrogen and a second isotope of hydrogen in contact with a lattice structure to produce a first ratio of the first isotope to the second from a mixture having a second ratio of the first isotope to the second isotope, adjusting the energy of the lattice structure to initiate the energy production reaction caused by the interaction of one nucleus of the first isotope with one nucleus of the second isotope and controlling the second ratio to control the rate of the energy production reaction based on the interaction of the first isotope with the second isotope. Methods for treating radioactive waste by transmutation and for forming a superconductive material from a plurality of constituents, as well as methods for forming improved semiconductor devices, improved atomic lattice structures and improved molecular structures and ionic compounds, are described along with selection rules for fine tuning these methods. An apparatus for producing controlled emissions of high energy vHe particles, which can be adapted as a beam producing device or as motor, is also disclosed.

Embodiments of a method for processing radioacive materials, with a particular embodiment comprising processing uranium with hydrogen isotope plasmas, and a process for remediation of nuclear wastes by transmutation

Classification: - international: G21G1/04; G21G1/00; (IPC1-7): G21F9/00; G21D9/00; G21G1/04 - european: G21G1/04
Application number: DE19981003629 19980201
Priority number(s): AU1997PO04879 19970203

Abstract ~ For the transmutation of long half-life isotopes, their surfaces are exposed to an electrolyte or a gas or plasma atmosphere to form intermediate layers or vol. zones of a number of structure layers. The threshold zones are placed against a carrier material or close to vol. zones of metals or metal layers, composed of metals capable of absorbing \-1 atom% of hydrogen or its isotope.

Classification: - international: G21B1/00; G21G1/00; G21B1/00; G21G1/00; (IPC1-7): G21B1/00; G21G1/00 - european: Application number: JP19960003003 19960111
Priority number(s): JP19960003003 19960111; JP19950335615 19951116

Abstract ~ Problem: To obtain an electrode for cold nuclear fusion which can manufacture isotopes, precious metals, rare elements or thermal energy through nuclear transformation by containing as a material for the electrode a substance which can cause nuclear transformation. Solution: Radioactive or nonradioactive isotopes are manufactured by the nuclear transformation in an electrode and the combination of nuclear reactions such as neutron capture and natural nuclear disintegration of products made through the nuclear reactions. The kinds of manufactured isotopes are very numerous, and it is especially easy to obtain non-single isotopes. Since the conditions of electrolysis can be controlled very precisely, it is possible to manufacture only target substances precisely. For an electrode for cold nuclear fusion, an element whose atomic number is close to that of a precious metal or a rare element is chosen as a substance which can cause nuclear transformation, or a material for the nuclear transformation of a precious metal and a rare element. For example, W, Ag, Sn and Pt are cited as materials for platinum-family metals and gold. As materials for rare elements, chemical species such as the halogen family, alkaline metals, Po and W are chosen.

Applicant: ALTRAN CORP (US)
Classification: - international: G21K1/00; G21K1/00; (IPC1-7): G21F9/00; G21F19/42; G21G1/00; G21G1/12 - european: G21K1/00
Application number: US19890400180 19890828
Priority number(s): US19890400180 19890828; US19870112854 19871023

Abstract ~ Apparatus and method for decontaminating radioactive materials by stimulating the atomic system of radioactive materials. The stimulus is kept applied to the radioactive materials for a predetermined time. In this way, the rate of decay of the radioactivity of the materials is greatly accelerated and the materials are thereby decontaminated at a rate much faster than normal. The stimulus can be applied to the radioactive materials placing them within the sphere or terminal of a Van de Graaff generator and allowing them to be subjected to the electrical potential of the generator, such as in the range of 50 kilovolts to 500 kilovolts, for at least a period of 30 minutes or more.

Classification: - international: G21G1/12; G21G1/00; (IPC1-7): G21G1/12; G21F9/00 - european: G21G1/12
Application number: RU20000107659 20000330
Priority number(s): RU20000107659 20000330

Also published as:
EP1274099 (A2)
WO0173474 (A3)
WO0173474 (A2)
US2003138068 (A1)

Abstract ~ Nuclear physics; decontamination of radioactive wastes and the like from long-living radioactive isotopes. Substance: transmutation of long-living radioactive isotopes into short-living or stable ones is conducted under the action of electromagnetic radiation. In the process, highly ionized atoms with energy- resolved hole of accelerated beta-decay are produced from atoms of long-living radioactive isotope and held in ionized state until transmutation of mother nuclei to daughter short-living or stable ones takes place. With coefficient of operating time k preset for daughter nuclei, atoms of long-living radioactive isotope are held in highly ionized state for at least time beta, where beta is lifetime of mother nuclei under accelerated beta-decay conditions. Electromagnetic radiation may be effected by beams of accelerated charged particles (electrons, protons, or ions) or by photon flux. Radiation by charged-particle beam may be combined with photonflux radiation. Effect: enhanced transmutation efficiency dispensing with nuclear reactions of collision character and avoiding formation of by-products. 7 cl, 1 dwg

Classification: - international: A61N5/10; G21F9/00; G21G4/04; G21K5/00; H01S4/00; A61N5/10; G21F9/00; G21G4/00; G21K5/00; H01S4/00; (IPC1-7): G21G1/12 - european: A61N5/10B7; G21F9/00; G21G4/04; G21K5/00; H01S4/00
Application number: US20020160196 20020601
Priority number(s): US20020160196 20020601; US19960729908 19961015; US19950005734P 19951020

Abstract ~ A method for reducing radioactivity in a radioactive sample is disclosed, comprising contacting said sample with a beam of photons, said beam having an energy level sufficient to cause said radioactive sample to emit particles including photons in an amount sufficient to accelerate a reduction in radioactivity of said sample. Also disclosed is a method of increasing radioactive decay in a radioactive isotope comprising the steps of: determining a beam of an effective energy and effective flux of photons to increase radioactive decay in the radioactive isotope; applying the beam to the radioactive isotope; and maintaining the beam for an amount of time effective to increase the radioactivity of the radioactive isotope.

Abstract ~ Radioactive material can be processed by an apparatus that includes at least a cylindrical outer shell electrode, an inner electrode, and a plurality of prism-shaped ferromagnetic elements positioned between the outer and inner electrodes. The prism-shaped ferromagnetic elements are positioned around the inner circumference of the metal cylinder. The inner electrode component is located within the metal cylinder and is configured to cover the inwardly-pointing portions of the prism-shaped ferromagnetic elements. Radioactive material in a container is placed into the apparatus, and an AC voltage excitation signal is applied to the electrodes of the apparatus during treatment of the material. The frequency of the excitation signal is selected according to the frequency of structurization or the frequency of destructurization of the ferromagnetic material. The process can be monitored and controlled with the use of alpha, beta, and gamma radiation intensity measuring instruments.

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