EFFECTIVE EXTRACTION OF GOLD AND SILVER FROM SULPHIDIC ORE BY CYANIDE-THIOSULFATE SOLUTIONS

被引：0
|
作者：
Koizhanova, A. K. [1 ]
Osipovskaya, L. L. [1 ]
机构：
[1] Joint Stock Co Ctr Sci Earth Met & Ores Beneficia, Alma Ata, Kazakhstan
来源：
11TH INTERNATIONAL MULTIDISCIPLINARY SCIENTIFIC GEOCONFERENCE (SGEM 2011), VOL I | 2011年
关键词：
gold; silver; cyanide; thiosulphate; oxidation-reduction potential;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
We present the results of precious metals leaching from stubborn sulphidic silver-and-gold-containing ore of Kazakhstani deposit Kunisty by complex cyanide-thiosulphate solutions in comparison with separate cyanide and thiosulphate solutions in the model and experimental conditions. It is established, that in a range of investigated concentrations 0,03 - 0,1 M, application of complex cyanide-thiosulphate solutions leads to change of oxidation-reduction potential of the solutions by 50 divided by 200 mV. The degree of leaching of precious metals increases on average by 10 %, when complex cyanide-thiosulphate solutions are used in comparison with the separate ones.
引用
收藏
页码：775 / 779
页数：5
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