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| Research on Ammonia Leaching of Polymetallic Sulfide Flotation Tailings |
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Received:March 09, 2017
Revised:March 13, 2017
Accepted:March 14, 2017
Published Online:June 19, 2017
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| DOI：doi：10.3969/j.issn.1007-7545.2017.07.002 |
| KeyWord:polymetallic sulfide; flotation tailings; ammonia leaching; selective leaching |
| Author | Institution |
| Jiang Wei |
北京科技大学，北京矿冶研究总院 |
| Jiang Xun-xiong |
北京矿冶研究总院 |
| Wang Sheng-dong |
北京矿冶研究总院 |
| Jiang Kai-xi |
北京矿冶研究总院 |
| Wang Ai-ping |
北京矿冶研究总院 |
| Li Yan-feng |
北京矿冶研究总院 |
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| Abstract: |
| Ammonia leaching process for polymetallic sulfide flotation tailings from the contract areas of COMRA was carried out to recover valuable metals. Influencing factors on metal recovery were investigated and main parameters were determined. Leaching rate of copper is 85% above and leaching rate of magnesium is 5% below under the optimum conditions including initial ammonia concentration of 2 mol/L, L/S of (4~6)︰1, temperature of 25~50 ℃, and additive dosage of 1%. |
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