2009•Hunan Nonferrous MetalsRequires access

Study on Roasting-Cyanide Leaching of Gold Concentration Containing Arsenic and Sulphur

Jie Li

Abstract

This article introduced the mineral components from some Hunan flotation gold concentrate and the main influencing factors about roasting-cyanide leaching technology.The arsenic removal and desulphurization rate is more than 97%.It effectively resolved the issue of arsenic and sulphur coating gold.The gold cyanide leaching rate could be over 90%.

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Key concepts: Roasting, Arsenic, Leaching (pedology), Cyanide, Sulfur, Sodium cyanide, Gold ore, Gold extraction