E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/31
E21B 43/27 (2006.01) C22B 60/02 (2006.01) E21B 43/28 (2006.01)
Patent
CA 1145669
103 Abstract of the Disclosure Process for the in-situ leaching of uranium from a subterranean ore deposit comprising introducing into the deposit an aqueous lixiviant formulated from a dilute sulfuric acid solution which also contains carbon dioxide. The lixiviant has a pH within the range of 1.0-2.5. The lixiviant may also contain an alkali metal sulfate such as sodium sulfate. The process is particularly applicable to subterranean deposits containing uranium associated with carbonaceous material.
351362
Espenscheid Wilton F.
Yan Tsoung-Yuan
Gowling Lafleur Henderson Llp
Mobil Oil Corporation
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