Autoclave oxidation leaching of sulfide materials containing...

Details Autoclave oxidation leaching of sulfide materials containing... Autoclave oxidation leaching of sulfide materials containing...

C - Chemistry, Metallurgy

22

B

53/301

C22B 15/00 (2006.01)

Patent

CA 1106617

PC-1158 ABSTRACT A process is provided for treating a matte for selective extraction of nonferrous metals using a single stage oxidative pressure leach wherein leaching is carried out in a continuous manner and relatively mild conditions on an aqueous slurry of the matte having a specific sulfur adjustment, having copper present in the aqueous phase, and having a final pH of less than ?4 but not less than ?3.

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