E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/30
E21B 43/28 (2006.01) C22B 11/08 (2006.01)
Patent
CA 1241271
A B S T R A C T Metal values, particularly precious metal values, are recovered from fines on a footfall and in the fissures and cracks therein by passing a solution capable of solubilising the metal values across the footwall. The metal values are preferably adsorbed on to a suitable support such as activated carbon underground and then the support, having the metal values adsorbed thereon, transported to the surface for further processing.
483999
Douglas William D.
Loveday Brian K.
Tumilty James A.j.
Anglo American Corporation Of South Africa Limited
Gowling Lafleur Henderson Llp
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