Abstract
The possibility of gold extraction from the residues of vacuum-thermal treatment of the concentrate of gold-containing antimony ore of Zopkhito (deposit) has been established by eco-safe electrochemical method. The effect of main technological parameters on the process of electrochemical leaching of the residues has been studied in the presence of selective complex-former- thiourea in chloride system and optimal conditions of leaching were established providing the gold extraction from gold-containing residues by 82-90% in the conditions of so-called “soft” oxidation without release of molecular chlorine at the anode and eco-contamination. Continuous technological process of electrochemical leaching of the residues of gold-containing antimony ore and electrochemical reactor for realization of this process are proposed. Key words: electrochemical processing, gold-containing ores, gold extraction
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