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7323032 |
Pyrochemical reprocessing method for spent nuclear fuel
This invention is provided for improvement of corrosion-resistant property of a crucible and for promotion of safety in a pyrochemical reprocessing method for the spent nuclear fuel. The spent...
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6972108 |
Device for metallizing uranium oxide and recovering uranium
Disclosed is a device for metallizing uranium oxide and recovering uranium, which reacts uranium oxide with a lithium metal to product uranium metal powder, and filters the resulting product using...
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6641641 |
Method for producing metal or metal compound comprising process of treating with fluorine and adjusted raw material used therein
An object of the present invention is to provide a method for preventing concentration of a radioactive substance in a generated extraction residue in a method of producing tantalum, niobium, or a...
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6299666 |
Method for producing Ac-225 by irradiation of Ra-226 with protons
This invention refers to a method for producing Actinium-225, comprising the steps of preparing a target (1) containing Radium-226, of irradiating this target with protons in a cyclotron and of...
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5998689 |
Method for recycling contaminated metal parts
A method for recycling metal parts contaminated by radioactive elements, in particular by α-emitters, includes forming a melt and a slag from the metal parts and then separating the slag from the...
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5997606 |
Production of titanium slag
A process for producing titanium slag which is low in radioactivity wherein molten titanium slag, produced by smelting ilmenite in the presence of a reductant in a DC electric arc furnace, is...
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5735932 |
Process for the conversion of uranium oxide to uranium metal and uranium alloys
A process for preparing uranium metal or alloy thereof suitable for use in a metal-based uranium enrichment plant or other use requiring a superdense metal comprising providing a molten metal bath...
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5421855 |
Process for continuous production of metallic uranium and uranium alloys
A method is described for forming metallic uranium, or a uranium alloy, from uranium oxide in a manner which substantially eliminates the formation of uranium-containing wastes. A source of uranium...
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5393322 |
Process for recovering noble metals from solutions deriving from the treatment of nuclear fuels
A process for recovering palladium, rhodium and ruthenium from aqueous solutions deriving from the treatment of nuclear fuels and containing also iron and nickel, by reducing carbonylation with...
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5389123 |
Method for continuously recovering metals using a dual zone chemical reactor
A dual zone chemical reactor continuously processes metal-containing materials while regenerating and circulating a liquid carrier. The starting materials are fed into a first reaction zone of a...
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5348567 |
Decontamination method
A method for decontamination of steel components contaminated with radioactive material comprises the steps: (a) providing a mass of material including: (i) a proportion of steel carrying...
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5290337 |
Pyrochemical processes for producing Pu, Th and U metals with recyclable byproduct salts
In the pyrochemical reduction of uranium dioxide or other actinide metal oxides by reaction with magnesium, magnesium oxide byproduct is produced. The use of a salt flux comprising magnesium...
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5242622 |
Process for the production of a neutron absorbing pellet, the pellet obtained and the use thereof
The invention relates to a process for the production of a neutron absorbing pellet for use in a nuclear reactor control device, comprising the following stages: a) compactable products are...
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5202100 |
Method for reducing volume of a radioactive composition
A method is disclosed for reducing the volume of a radioactive composition by separating a radioactive first component from a second component of the radioactive composition. The method includes...
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H000970 |
Integrated decontamination process for metals
An integrated process for decontamination of metals, particularly metals that are used in the nuclear energy industry contaminated with radioactive material. The process combines the processes of...
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5033533 |
Method for producing a container for contaminated metal waste, and a container produced by this method
A composite cast article (10) comprising contaminated metal waste is produced from a piece (1) of contaminated piping from a nuclear reactor to form the casting of the article (10), by fixing a...
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H000715 |
Recovery of mercury from acid waste residues
Mercury can be recovered from nitric acid-containing fluids by reacting the fluid with aluminum metal to produce mercury metal, and then quenching the reactivity of the nitric acid prior to...
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4826666 |
Method of preparing metal carbides and the like and precursors used in such method
Preparation of metal carbides, nitrides, borides, silicides and phosphides, also metal alloys and pure metals, by providing a precursor in which there are organic ligands bonded to the metal or...
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4710222 |
Method for removal of plutonium impurity from americium oxides and fluorides
Method for removal of plutonium impurity from americium oxides and fluorides. AmF 4 is not further oxidized to AmF 6 by the application of O 2 F at room temperature, while plutonium compounds...
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4657585 |
Method for separating cobalt, nickel and the like from alloys
Cobalt, nickel and/or radioactive cobalt are separated from an alloy containing elements belonging to the iron group or family in such a manner that the alloy is melted in a molten bath of tin,...
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4507227 |
Comminuting irradiated ferritic steel
Disclosed is a method of comminuting irradiated ferritic steel by placing the steel in a solution of a compound selected from the group consisting of sulfamic acid, bisulfate, and mixtures thereof....
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4428770 |
Methods of manufacturing metal from a melt, determination of sulfur and carbon therein, sensors therefor and solid electrolyte compositions for said sensors
Materials, methods and articles for the electrochemical determination of sulfur and carbon in fluids are provided. In accordance with a preferred embodiment, an electrolyte is furnished comprising...
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4421556 |
Method for decontamination of nickel-fluoride-coated nickel containing actinide-metal fluorides
The invention is a process for decontaminating particulate nickel contaminated with actinide-metal fluorides. In one aspect, the invention comprises contacting nickel-fluoride-coated nickel with...
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4399108 |
Method for reprocessing and separating spent nuclear fuels
Spent nuclear fuels, including actinide fuels, volatile and non-volatile fission products, are reprocessed and separated in a molten metal solvent housed in a separation vessel made of a...
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3618923 |
APPARATUS FOR THE DISTILLATION OF POLONIUM FROM BISMUTH
Polonium is distilled from bismuth under vacuum in a pot provided with a cover carrying a condenser which is positioned inside the pot. The condenser is filled with a liquid metal heat transfer...
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3544307 |
PURIFICATION OF POLONIUM
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3495975 |
EXTRACTION OF PROTACTINIUM FROM MOLTEN SALT MIXTURES INTO BISMUTH-TIN SOLUTION
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3483913 |
METHOD OF MOLTEN METAL SEPARATION
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3276861 |
Californium and einsteinium separation
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3271133 |
Purification of molten salts
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3250590 |
Preparation of actinide monocarbide
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3216821 |
Treatment of copper and nickel and their alloys
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3152887 |
Americium-curium separation
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3147109 |
Separation of plutonium, uranium, americium and fission products from each other
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3110557 |
Radioactive waste disposal
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3003944 |
Hydrocarbons obtained by destructive distillation of gilsonite and products made therefrom
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3000697 |
Transuranic element, composition thereof, and methods for producing, separating and purifying same
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2977219 |
Process for purifying titanium
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2894832 |
Process of producing actinide metals
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2873108 |
Apparatus for high purity metal recovery
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2863716 |
Sulphur dioxide leaching of uranium containing material
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2831750 |
Separating protoactinium with manganese dioxide
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2809887 |
Method of alloying reactive metals with aluminum or beryllium
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3672846 |
Title is not available
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3672875 |
Title is not available
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