Solvent extraction of gold cyanide with tri-butyl-phosphate and additive added in aqueous phase

被引：0

作者：

Chen, J ^{[1
]}

Zhu, LY ^{[1
]}

Jing, YQ ^{[1
]}

Pang, XJ ^{[1
]}

Huang, K ^{[1
]}

机构：

[1] Inst Precious Met, Kunming 650221, Yunnan, Peoples R China

来源：

PRECIOUS METALS 1998 | 1998年

关键词：

solvent extraction; gold cyanide; additive;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

A new solvent extraction system for gold cyanide into which an additive(SP or ST) was added in accordance with the molar ratio of Au(CN)(2)(-):additive=1:1 was studied at various pH values, gold concentrations, TBP concentrations, temperatures, equilibrium time, molar ratios of Au(CN);:additive, phase ratios(A/O) etc.. The behaviors of the extraction system was also investigated with real feed solutions obtained from a mine. The results show that Au(CN)(2)(-) could be quantitatively and selectively extracted in wide range of pH2 similar to 12. The extraction mechanism was discussed on the basis of the experimental results.

引用

页码：65 / 74

页数：10

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