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| Application of Desorption Electrolysis Processing under High Temperature and Pressure without Cyanide in a Gold Mine in Laos |
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Received:May 29, 2019
Revised:June 02, 2019
Accepted:June 04, 2019
Published Online:October 23, 2019
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| DOI：doi：10.3969/j.issn.1007-7545.2019.11.010 |
| KeyWord:desorption electrolysis under high temperature and pressure without cyanide; desorption rate; electrolysis rate; desorption time; desorption solution; number of use |
| Author | Institution |
| KANG Weigang |
天津华勘集团有限公司 |
| CHEN Jingyu |
天津华勘集团有限公司 |
| XIE Jianping |
天津华勘集团有限公司 |
| LU Bangfei |
天津华勘集团有限公司 |
| GUO Haokun |
天津华勘集团有限公司 |
| ZHANG Xianghu |
天津华勘集团有限公司 |
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| Abstract: |
| Application of desorption electrolysis processing under high temperature and pressure without cyanide in a Gold Mine in Laos shows that this processing has advantages of high desorption electrolysis rate and low gold grade of lean carbon. Actual average gold grade of gold-loaded carbon and lean carbon is 5 595.22 g/t and 38.10 g/t respectively, desorption rate is 99.32%, average gold grade of electrolysis lean solution is 0.063 g/m3, and electrolysis rate is 99.99%. Cost of reagent material and power is only 0.69 RMB per ton ore. Usage of desorption solution is more than 33 times, which has little effect on desorption electrolysis time and desorption electrolysis rate. Amount of gold mud in electrolytic cell is the main factor affecting desorption electrolysis time, while gold grade of gold-loaded carbon has little relation with desorption electrolysis time. |
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