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| New Technology of Selective Leaching Process for Low Grade Polymetallic Cobalt Slag |
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Received:July 03, 2015
Revised:July 08, 2015
Accepted:July 13, 2015
Published Online:November 18, 2015
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| DOI：doi：10.3969/j.issn.1007-7545.2015.12.003 |
| KeyWord:low grade; multi-metal cobalt slag; selective leaching; chemical inhibition |
| Author | Institution |
| JI Hong-an |
西北矿冶研究院 |
| CHENG Liang |
西北矿冶研究院 |
| LU Xing-wu |
西北矿冶研究院 |
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| Abstract: |
| Valuable metals in cobalt slag were extracted and separated in alkaline system by selective leaching and chemical inhibition technology. The effects of leaching temperature, ratio of liquid to solid, inhibitor dosage, and pH value on leaching rate were investigated by single factor and optimal expanding test. The leaching rate of cobalt, xinc, and copper is 94%, 95%, and 96% above respectively under the optimum conditions. |
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