A comparison of cyanide and thiosufate leaching for the recovery of gold from a copper containing ore

被引：0
|
作者：
Dai, XW [1 ]
Chu, CK [1 ]
Jeffrey, M [1 ]
Breuer, P [1 ]
机构：
[1] Monash Univ, Dept Chem Engn, Clayton, Vic 3800, Australia
来源：
HYDROMETALLURGY 2003 PROCEEDINGS, VOLS 1 AND 2: VOL 1: LEARNING AND SOLUTION PURIFICATION | 2003年
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D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
One of the biggest challenges for the gold industry in the 21st century is the presence of copper in gold containing ore bodies. This is because copper consumes large quantities of cyanide. In addition, copper cyanide species are more stable than free cyanide, and hence are problematic in events of tailings spillage. The present paper compares cyanide and thiosulfate leaching for the recovery of gold from a copper containing ore. For cyanide leaching, the extraction of gold using copper cyanide complexes instead of free cyanide was tested in the presence and absence of added ammonia. For the thiosulfate leaching, the effect of the minerals present in the ore on the solution potential and thiosulfate consumption are illustrated.
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页码：123 / 136
页数：14
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