2006•Multipurpose Utilization of Mineral ResourcesRequires access

Extraction of Gold from Refractory Gold Concentrate Containing Arsenic by Roasting-Cyanide Leaching

WU Zeng-ling

Abstract

Experimental study on extraction of gold from refractory gold concentrate containing arsenic and sulphur by roasting-cyanide leaching process was performed.At optimum conditions,the technic indexes obtained are as follows;desulphurization rate is 99.81% and arsenic removal rate is 92.63% respectively,and leaching rate of gold is 85.23%.

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Available abstract

Key concepts: Roasting, Gold extraction, Arsenic, Gold ore, Gold cyanidation, Leaching (pedology), Cyanide, Chemistry