E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/30
E21B 43/28 (2006.01)
Patent
CA 1117862
URANIUM EXTRACTION FROM UNDERGROUND DEPOSITS ABSTRACT OF THE DISCLOSURE Uranium is extracted from underground deposits by passing an aqueous oxidizing solution of carbon dioxide over the uranium in the presence of calcium ions. Complex uran- ium carbonate or bicarbonate ions are formed which enter the solution. The solution is forced to the surface and the uranium removed from it.
319553
Mcconnell And Fox
Minatome Corporation
Uranerz U.s.a. Inc.
Wyoming Mineral Corporation
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