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U.S. Department of Energy
Office of Scientific and Technical Information

In-situ leaching of uranium

Patent ·
OSTI ID:6325175

Process for the in-situ leaching of uranium from a subterranean ore deposit comprising introducing into the deposit an aqueous lixiviant having a ph of at least 6.0 and containing an alkali metal sulfate leaching agent. The alkali metal sulfate may be employed in combination with an alkali metal carbonate or bicarbonate with the sulfate comprising the predominant leaching agent. The lixiviant may be at a ph of at least 7.5 and contain an alkali metal sulfate leaching agent and a hypochlorite oxidizing agent.

Assignee:
Mobil Corp
Patent Number(s):
US 4185872
OSTI ID:
6325175
Country of Publication:
United States
Language:
English