Method and apparatus for producing green salt (UF/sub 4/) from uranium and uranium alloy pieces
Patent
·
OSTI ID:5761264
A method is described of producing green salt (UF/sub 4/) from uranium-bearing metal pieces comprising: dissolving the uranium-bearing metal pieces in a first aqueous solution containing hydrochloric acid and at least 0.5% but no more than 2% fluoboric acid to provide a second aqueous solution which includes uranium (U/sup +4/), chloride ions and hydrochloric and fluoboric acids; adding hydrofluoric acid to the second aqueous solution to precipitate green salt out of the second solution and provide a third aqueous solution containing hydrochloric acid; and separating the green salt from the third aqueous solution.
- Assignee:
- Nuclear Metals, Inc., Concord, MA
- Patent Number(s):
- US 4699769
- OSTI ID:
- 5761264
- Resource Relation:
- Patent File Date: Filed date 15 Apr 1985
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
URANIUM
ACIDIFICATION
URANIUM ALLOYS
URANIUM FLUORIDES
CHEMICAL PREPARATION
AQUEOUS SOLUTIONS
BORIC ACID
DISSOLUTION
HYDROCHLORIC ACID
PRECIPITATION
ACTINIDE ALLOYS
ACTINIDE COMPOUNDS
ACTINIDES
ALLOYS
DISPERSIONS
ELEMENTS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
METALS
MIXTURES
SEPARATION PROCESSES
SOLUTIONS
SYNTHESIS
URANIUM COMPOUNDS
400201* - Chemical & Physicochemical Properties
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
URANIUM
ACIDIFICATION
URANIUM ALLOYS
URANIUM FLUORIDES
CHEMICAL PREPARATION
AQUEOUS SOLUTIONS
BORIC ACID
DISSOLUTION
HYDROCHLORIC ACID
PRECIPITATION
ACTINIDE ALLOYS
ACTINIDE COMPOUNDS
ACTINIDES
ALLOYS
DISPERSIONS
ELEMENTS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
METALS
MIXTURES
SEPARATION PROCESSES
SOLUTIONS
SYNTHESIS
URANIUM COMPOUNDS
400201* - Chemical & Physicochemical Properties