Method for the recovery of uranium values from uranium tetrafluoride

Patent · Tue Nov 01 04:00:00 EST 1983

OSTI ID:5310308

Kreuzmann, A B

The invention is a novel method for the recovery of uranium from dry, particulate uranium tetrafluoride. In one aspect, the invention comprises reacting particulate uranium tetrafluoride and calcium oxide in the presence of gaseous oxygen to effect formation of the corresponding alkaline earth metal uranate and alkaline earth metal fluoride. The product uranate is highly soluble in various acidic solutions wherein the product fluoride is virtually insoluble therein. The product mixture of uranate and alkaline earth metal fluoride is contacted with a suitable acid to provide a uranium-containing solution, from which the uranium is recovered. The invention can achieve quantitative recovery of uranium in highly pure form.

• Assignee: Dept. of Energy
• Patent Number(s): US 4412861
• OSTI ID: 5310308
• Country of Publication: United States
• Language: English

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ACTINIDE COMPOUNDS
ACTINIDES
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
ELEMENTS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
IMPURITIES
MANAGEMENT
MATERIALS RECOVERY
METALS
NONMETALS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PROCESSING
RECOVERY
SEPARATION PROCESSES
URANATES
URANIUM
URANIUM COMPOUNDS
URANIUM FLUORIDES
URANIUM TETRAFLUORIDE
WASTE MANAGEMENT
WASTE PROCESSING