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Gold Extraction Process Study on Refractory Gold Concentrate with As and Sb Content

Wei Qi-jin

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Abstract

The gold extraction recovery from refractory gold concentrate with As and Sb content using cyanide leaching process is only 42.79%,and it can be raised to 48.22% using roasting-cyandiation process.The gold recovery can be improved further to 86.3% by antimony removing with sodium sulfide,followed by roasting,milling and cyanide leaching process,while antimony removal rate reached to 96.6%,antimony can be sold as by-product.

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What this paper is about

The gold extraction recovery from refractory gold concentrate with As and Sb content using cyanide leaching process is only 42.79%,and it can be raised to 48.22% using roasting-cyandiation process.The gold recovery can be improved further to 86.3% by antimony removing with sodium sulfide,followed by roasting,milling and cyanide leaching process,while antimony removal rate reached to 96.6%,antimony can be sold as by-product.

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Available abstract

The gold extraction recovery from refractory gold concentrate with As and Sb content using cyanide leaching process is only 42.79%,and it can be raised to 48.22% using roasting-cyandiation process.The gold recovery can be improved further to 86.3% by antimony removing with sodium sulfide,followed by roasting,milling and cyanide leaching process,while antimony removal rate reached to 96.6%,antimony can be sold as by-product.

Key concepts: Antimony, Roasting, Gold cyanidation, Sodium cyanide, Leaching (pedology), Sulfide, Gold extraction, Cyanide

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Gold Extraction Process Study on Refractory Gold Concentrate with As and Sb Content — Research Paper | ScholarLens