Research Progress in Electrochemistry of Thiosulfate Gold Leaching in Copper Ammonia/Amine Systems
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摘要:
硫代硫酸盐法浸金是一种具有应用前景的无氰浸出方法，与传统氰化法相比，具有浸出用时短、浸出速率快、低毒环保等优点。基于硫代硫酸盐浸金体系的复杂性，从电化学角度论述了铜氨/胺体系下硫代硫酸盐浸金的电化学行为及浸金过程中硫代硫酸盐、铜/铜氨络合离子、氨/胺之间的作用方式。
Abstract:Thiosulphate gold leaching is a kind of cyanide-free leaching method with application prospect. Compared with the traditional cyanide method, it has the advantages of short leaching time, fast leaching rate, low toxicity and environmental protection. Based on the complexity of thiosulfate gold leaching system, the electrochemical behavior of thiosulfate gold leaching in copper ammonia/amine system and the interaction mode between thiosulfate, copper/copper ammonia complex ion and ammonia/amine in the gold leaching process were discussed.
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Key words:
- thiosulfate /
- leaching /
- electrochemistry /
- gold
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