Clear Inc.

Oculus Innovative Sciences, Inc.

Spring Co., Ltd.

Ts Tech Co., Ltd.

Nihon Nature Cell Co., Ltd.

Osao Sumita

Isao Ueno

Takehiko Yokomine

Sadao Hattori

Shin Gyo Yim

Provided is a nuclear reactor having a load following control system in which a nuclear reaction therein is naturally controlled by the generated heat, the nuclear reactor being provided with: a reactor core provided with a plurality of fuel assemblies of metallic fuels containing uranium (U) 235, 238 and/or plutonium (Pu) 239; a primary coolant comprising a liquid metal; a neutron reflector which serves to control the nuclear reaction in the reactor core and is disposed to enclose the periphery of the reactor core; and a mechanism which contains a-liquid or a gas having a thermal expansion coefficient greater than that of the neutron reflector, and converts the coefficient of volumetric expansion into an amount of linear thermal expansion, and, by using same, moves the neutron reflector or adjusts the spacing between the plurality of fuel assemblies.

Load-following nuclear reactor system using thermal expansion-based neutron reflector movement and fuel assembly interval adjustment mechanisms and liquid metal primary coolant

A nuclear power generation system being safe and easily controlled by load following. The nuclear power generation system has a nuclear reactor employing a load following control method. The reactor includes: a fuel assembly reactor core having metallic fuel containing at least one selected from uranium-235, uranium-238 and plutonium-239; a reactor vessel containing the reactor core; metallic sodium loaded into the reactor vessel and heated by the reactor core; and a neutron reflector for achieving criticality in the reactor core with effective multiplication factor of neutrons emitted from the reactor core being maintained at or above about 1. The neutron reflector is coupled to spring or spiral metallic members and utilizing heat deformation in the metallic members due to the temperature in coolant metallic sodium to control the fast neutron reflection efficiency of the neutron reflector.

Nuclear power generation system utilizing thermal expansion in metallic members to move a neutron reflector

A molten salt electrolysis tank, comprises: an anode feeder which is equipped with a mechanism for recovering deteriorated contact resistance that takes place between the metal fuel rod and the anode in the course of the anodic electrolysis; a cathode feeder which is controlled so as to have a potential in a range that causes U and/or Pu ions to be reduced to metal; a heating mechanism for locally heating the metal fuel rod and/or an excitation mechanism for bringing the metal fuel rod into a locally excited state; and a solenoid coil or a permanent magnet that is disposed between the anode feeder and the cathode feeder so as to improve separation efficiency of U and/or Pu ions by applying a combination of an electric field and a magnetic field.

Electrolytic tank and electrolytic method for high-efficiency dry reprocessing

Provided is a nuclear reactor system and method therefor, for increasing the speed of conversion of a radionuclide to a stable nuclide to reduce radionuclide concentration using thermal neutrons produced by reducing the velocity of fast neutrons, while simultaneously subjecting fast-neutron-induced thermal energy of a primary cooling material to heat exchange with a secondary cooling material in a heat exchanger (), and feeding the energy to a turbine system to generate power, the system having a nuclear reactor container () comprising a first container (), and a second container (), a plurality of metal fuel assemblies () and a liquid metal, which is the primary cooling material, being disposed in the first container, and the second cooling material capable of dual use as a neutron moderator and a MA radioactivity-extinguishing assembly or FP-extinguishing assembly () being loaded in the second container.

Nuclear reactor system for extinguishing radioactivity

A method for producing oxidized water for sterilization use which contains chlorine dioxide, said method comprising: electrolyzing tap water containing chlorine ions using a three-chamber-type electrolysis vessel, in which an intermediate chamber is located between an anode chamber and a cathode chamber; trapping the chlorine ions dissolved in the tap water; and electrolytically oxidizing the trapped chlorine ions on an anode electrode. A partitioning membrane that isolates the anode chamber from the intermediate chamber is composed of a fluorine-containing cation exchange membrane and an anion exchange membrane, wherein a porous anode electrode is adhered onto the fluorine-containing cation exchange membrane in the partitioning membrane. A partitioning membrane that isolates the cathode chamber from the intermediate chamber is composed of a cation exchange membrane or an anion exchange membrane, wherein a porous cathode electrode is adhered onto the partitioning membrane; and an anion exchange resin is filled in the intermediate chamber.

Method for producing oxidized water for sterilization use without adding electrolyte

A compact nuclear power generation system includes a reactor () comprising a core () which uses metal fuel containing either or both of uranium-235/238 and plutonium-239. A reactor vessel () houses the core (). Metal sodium primary coolant () is heated by the core (). A neutron reflector () maintains the effective multiplication factor of neutrons emitted from the core () at approximately one or more to bring the core into a critical state. The neutron reflector is movable from a lower part towards an upper part of the core. The heated metal sodium is supplied to a main heat exchanger () which is located outside the reactor. A secondary coolant of supercritical carbon dioxide, which circulates through the main heat exchanger, is in heat exchange with the heated metal sodium. The heated secondary coolant drives a turbine (). A power generator () can be operated by the driven turbine.

Compact nuclear power generation system

A method for activating hydrogen molecules dissolved in water and stabilizing the concentration of the hydrogen molecules is provided. The method for activating and stabilizing hydrogen molecules dissolved in water is characterized by allowing hydrogen ions to coexist with the hydrogen molecules.

Method for activating and stabilizing dissolved hydrogen in water

An apparatus for producing in the home hydrogen-dissolved drinking water that is suitable for drinking, has a high dissolved hydrogen concentration, and a long dissolved hydrogen life. A hydrogen-dissolved drinking water production apparatus includes an electrolytic cell through which water can pass for producing drinking water having a pH in a range of 2.5 to 8.5, and in particular, in a range of 5.8 to 8.5, and a dissolved hydrogen concentration of 0.1 ppm or more by supplying high-purity water having a conductivity of 50 &#x3bc;S/cm or less. The hydrogen-dissolved drinking water production apparatus is characterized in that the electrolytic cell includes a vertical anode chamber having a water-permeable plate-like anode electrode and a vertical cathode chamber having a plate-like cathode electrode, the anode chamber and the cathode chamber are separated by a diaphragm formed from a fluorine-based cation exchange membrane, the water-permeable plate-like anode electrode is closely adhered to the diaphragm formed from the fluorine-based cation exchange membrane, and an ion-exchange resin is filled in a space between the diaphragm and the cathode electrode.

Apparatus and method for producing hydrogen-dissolved drinking water

A method and apparatus for electrolytically producing oxidation reduction potential water from aqueous salt solutions for use in disinfection, sterilization, decontamination, wound cleansing. The apparatus includes an electrolysis unit having a three-compartment cell () comprising a cathode chamber (), an anode chamber (), and a saline solution chamber () interposed between the anode and cathode chambers. Two communicating () membranes separate the three chambers. The center chamber includes a fluid flow inlet () and outlet () and contains insulative material that ensures direct voltage potential does not travel through the chamber. A supply of water flows through the cathode and anode chambers at the respective sides of the saline chamber. Saline solution flows through the center chamber, either by circulating a pre-prepared aqueous solution containing ionic species, or, alternatively, by circulating pure water or an aqueous solution of, e.g., aqueous hydrogen chloride and ammonium hydroxide, over particulate insulative material coated with a solid electrolyte. Electrical current is provided to the communicating membranes separating the chambers, thus causing an electrolytic reaction that produces both oxidative (positive) and reductive (negative) ORP water.

Method and apparatus for producing negative and positive oxidative reductive potential (ORP) water

The present invention provides an electrolytic cell, which can efficiently produce charged water having an excellent performance of improving surface cleaning or treatment of an object, e.g., semiconductor, glass, or resin and of cleaning and sterilizing medical device. The electrolytic cell of the present invention is for producing charged anode water suitable for surface cleaning or treatment, including the cathode chamberand anode chamber, fluorinated cation-exchange membraneprovided to separate these chambers from each other, cathodeclosely attach to the cation-exchange membraneon the side facing the cathode chamber, and middle chamberfilled with the cation-exchange resin, provided on the other side of the cation-exchange membrane, the cation-exchange resinbeing arranged in such a way to come into contact with the fluorinated cation-exchange membrane, wherein the feed water is passed into the middle chamberand passed thorough the anode chamberto be recovered as the charged anode water.

Electrolytic cell for producing charged anode water suitable for surface cleaning or treatment, and method for producing the same and use of the same

The present invention provides an electrolytic cell, which can efficiently produce, charged water having an excellent performance of improving surface cleaning or treatment of an object, e.g., semiconductor, glass, or resin and of cleaning and sterilizing medical device. The electrolytic cell of the present invention is for producing charged anode water suitable for surface cleaning or treatment, including the cathode chamberand anode chamber, fluorinated cation-exchange membraneprovided to separated these chambers from each other, cathodeclosely attach&#xe9; to the cation-exchange membraneon the side facing the cathode chamber, and middle chamberfilled with the cation-exchange resin, provided on the other side of The cation-exchange membrane, the cation-exchange resinbeing arranged in such a way to come into contact with the fluorinated cation-exchange membrane, wherein the feed water is passed into the middle chamberand passed thorough The anode chamberto be recovered as the charged anode water.

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Tokyo, Japan

Osao Sumita