Process for the recovery of gold from carbonaceous ores

Details Process for the recovery of gold from carbonaceous ores Process for the recovery of gold from carbonaceous ores

C - Chemistry, Metallurgy

22

B

53/226

C22B 11/08 (2006.01) C01G 7/00 (2006.01)

Patent

CA 1152754

PROCESS FOR THE RECOVERY OF GOLD FROM CARBONACEOUS ORES ABSTRACT OF THE DISCLOSURE The recovery of gold from refractory carbonaceous gold-containing ores by cyanidation techniques is improved by subjecting an oxidized slurry of this type of ores to simultane- ous cyanidation and countercurrent granular activated carbon adsorption in two or more stages. The gold transfers to the carbon and may be separated from it by conventional methods. S P E C I F I C A T I O N

371623

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