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| Study on Recovery of Mn, Co, Ni from Sulfide Slag by Collaborative Oxidation Leaching with Soft Manganese Ore |
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Received:June 23, 2020
Revised:June 26, 2020
Accepted:June 27, 2020
Published Online:September 17, 2020
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| DOI：doi：10.3969/j.issn.1007-7545.2020.10.005 |
| KeyWord:sulfide slag; oxidation leaching; thermodynamics; Mn; Co; Ni |
| Author | Institution |
| ZENG Jun |
桂林理工大学材料科学与工程学院 |
| YE You-ming |
广西科技师范学院食品与生化工程学院 |
| CHEN Jin-zhong |
桂林理工大学材料科学与工程学院 |
| NONG Yong-ping |
广西科技师范学院食品与生化工程学院 |
| XIE Xue-zhen |
广西科技师范学院食品与生化工程学院 |
| CAI Jing-quan |
桂林理工大学材料科学与工程学院 |
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| Abstract: |
| Applying vulcanized slag of heavy metals removal by sulfurization during electrolytic manganese dioxide as raw material, dilute sulfuric acid as leaching agent, and based on thermodynamic analysis, Mn, Co and Ni were recovered by collaborative oxidation leaching with soft manganese ore. Effects of slag ratio, initial acid concentration, L/S, and reaction temperature on leaching rate of Mn, Co and Ni were investigated. The results show that leaching rate of Mn, Co and Ni is 93.5%, 87.4% and 86.3% respectively under the conditions including temperature of 363.15 K, slag ratio of 0.08, initial acid concentration of 90 g/L, and reaction time of 180 min. |
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