Process for the enhanced production of silver from gold and...

Details Process for the enhanced production of silver from gold and... Process for the enhanced production of silver from gold and...

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.

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