FIELD: methods of recovery of silver and gold from sulfide, oxide ores, concentrates and materials of tailing dumps. SUBSTANCE: method includes treatment of initial substances by leaching with aqueous solutions containing ions of thiocyanate and trivalent iron, and silver and gold are separated by passing the solution after leaching cycle through a layer of iron scrap or aluminium chips, and return of this solution after correction for a new cycle. EFFECT: higher efficiency. 1 dwg, 1 tbl
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Authors
Dates
1997-06-10—Published
1994-05-31—Filed