C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/04 (2006.01) C22B 3/08 (2006.01) C22B 11/00 (2006.01)
Patent
CA 2412352
Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The processes can employ heap leaching or lixiviants that include one or more blinding agents.
Fleming Christopher A.
Hackl Ralph P.
Ji Jinxing
West-Sells Paul G.
Fleming Christopher A.
Goodwin Mckay
Hackl Ralph P.
Ji Jinxing
Placer Dome Technical Services Limited
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