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Title: URANIUM LEACHING AND RECOVERY PROCESS

Patent ·
OSTI ID:4204182

A process is described for recovering uranium from carbonate leach solutions by precipitating uranium as a mixed oxidation state compound. Uranium is recovered by adding a quadrivalent uranium carbon;te solution to the carbonate solution, adjusting the pH to 13 or greater, and precipitating the uranium as a filterable mixed oxidation state compound. In the event vanadium occurs with the uranium, the vanadium is unaffected by the uranium precipitation step and remains in the carbonate solution. The uranium-free solution is electrolyzed in the cathode compartment of a mercury cathode diaphragm cell to reduce and precipitate the vanadium.

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-14-006358
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 2900229
OSTI ID:
4204182
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-60
Country of Publication:
United States
Language:
English