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| Silver Recovery from Acid Leaching Slag of Zinc Smelting with Hydrometallurgical Process |
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Received:January 10, 2013
Revised:January 11, 2013
Accepted:January 14, 2013
Published Online:June 19, 2013
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| DOI：10.3969/j.issn.1007-7545.2013.07.011 |
| KeyWord:acid leaching slag; zinc; silver; flotation; thiourea; purification; electrolysis |
| Author | Institution |
| wangkangzhu |
陕西锌业有限公司 |
| wangzhengmin |
陕西锌业有限公司 |
| zhouxi |
陕西锌业有限公司 |
| zhouxi |
陕西锌业有限公司 |
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| Abstract: |
| Crude silver powder was obtained by flotation and thiourea enrichment from acid leaching slag of zinc smelting. Crude silver powder was purified by chemical method and electrolyzed to produce silver product with purity of 99.95% plus. The silver recovery rate is more than 70%. Gold and copper are recovered simultaneously and zinc is returned to zinc smelting system. There are no three wastes in the whole process. |
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