C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/24 (2006.01) B01J 20/20 (2006.01) C01B 31/08 (2006.01) C01G 5/00 (2006.01) C22B 11/00 (2006.01) C22B 11/08 (2006.01)
Patent
CA 2041719
A PROCESS FOR THE ENHANCED PRODUCTION OF SILVER FORM GOLD AND SILVER BEARING ORE ABSTRACT OF THE DISCLOSURE There is disclosed a process for recovering gold and silver values from ore using activated carbon for adsorbing the values, wherein the activated carbon is treated with a suitable oxidant having an oxidation potential higher than that of oxygen. A preferred oxidant is potassium permanganate. Activated carbon so treated has an enhanced affinity for adsorbing silver, even under conditions which traditionally have favoured loading of carbon with gold.
Amok Ltd - Amok Ltee
Barrigar & Moss
Cameco A. Canadian Mining & Energy Corporation
Cameco Corporation
Cogema Resources Inc.
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