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Recovery process of uranium

Patent ·
OSTI ID:6074753
;

A recovery process for uranium comprises: extracting uranium ions with an organic solvent containing one or more compounds selected from the group consisting of alkyl phosphoric acid, alkyl-aryl phosphoric acid, alkyl dithiophosphoric acid, aryl dithiophosphoric acid, neutral phosphoric acid ester and alkyl amine together with a petroleum hydrocarbon as a diluent; and stripping the uranium ions in the resultant organic solvent to an aqueous phase with contact of an aqueous solution containing one or more compounds selected from the groups of NH/sub 4/F, NH/sub 4/HF/sub 2/, KF or KHF/sub 2/.

Assignee:
Solex Research Corporation (Japan)
Patent Number(s):
US 4478804
OSTI ID:
6074753
Country of Publication:
United States
Language:
English

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Related Subjects

050400* -- Nuclear Fuels-- Feed Processing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
ACTINIDE COMPOUNDS
ACTINIDES
ALKALI METAL COMPOUNDS
AMINES
AMMONIUM COMPOUNDS
AMMONIUM FLUORIDES
AQUEOUS SOLUTIONS
DISPERSIONS
ELEMENTS
EXTRACTION
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HYDROCARBONS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
METALS
MIXTURES
ORGANIC COMPOUNDS
PHOSPHORIC ACID
POTASSIUM COMPOUNDS
POTASSIUM FLUORIDES
RECOVERY
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
URANIUM
URANIUM COMPOUNDS
URANIUM FLUORIDES