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| Recovery of Valuable Metals from Copper Anode Slime Smelting Slag by Reduction Smelting |
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Received:September 01, 2021
Revised:September 07, 2021
Accepted:September 10, 2021
Published Online:December 17, 2021
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| DOI：doi：10.3969/j.issn.1007-7545.2022.01.004 |
| KeyWord:copper anode slime smelting slag; reduction smelting; Au; Ag |
| Author | Institution |
| SHI Yu |
低品位难处理黄金资源综合利用国家重点实验室 |
| WANG Jun-e |
低品位难处理黄金资源综合利用国家重点实验室 |
| CHEN Hang |
低品位难处理黄金资源综合利用国家重点实验室 |
| WU Si-hong |
紫金铜业有限公司 |
| WU Xing-lin |
低品位难处理黄金资源综合利用国家重点实验室 |
| ZHANG Heng-xing |
低品位难处理黄金资源综合利用国家重点实验室 |
| CHI xiao-peng |
福州大学紫金矿业学院 |
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| Abstract: |
| aluable metals in copper anode slime smelting slag were recovered by reduction smelting. Effects of slag type, Na2CO3 dosage, coke powder dosage and holding time on metal recovery were investigated. The results show that recovery rates of Au, Ag, Pb and Bi in slag are 97.15%, 97.78%, 91.27% and 99.61%, respectively under the optimum conditions including smelting temperature of 1 150 ℃, mass ratio of m(Fe)/m(SiO2)=0.72, mass ratio of m(CaO)/m(SiO2)=0.65, Na2CO3 dosage of 5%, coke powder dosage of 2%, and holding time of 60 min. Comprehensive recovery of valuable metals in copper anode slime smelting slag is realized. |
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