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| Integrated Leaching of Wastes of Nickel-Cobalt-Manganese Ternary Precursor and Nickel Sulfide |
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Received:April 14, 2022
Revised:April 29, 2022
Accepted:May 06, 2022
Published Online:July 13, 2022
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| DOI：doi：10.3969/j.issn.1007-7545.2022.08.003 |
| KeyWord:nickel-cobalt-manganese ternary precursor; nickel sulfide; waste; integrated leaching |
| Author | Institution |
| FU Hai-kuo |
湖南中伟新能源科技有限公司 |
| SHEN Heng-guan |
湖南中伟新能源科技有限公司 |
| ZHAO Xi-tai |
湖南中伟新能源科技有限公司 |
| DUAN Hui |
湖南中伟新能源科技有限公司 |
| LIAO Yu-li |
湖南中伟新能源科技有限公司 |
| ZHANG Ling-li |
湖南中伟新能源科技有限公司 |
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| Abstract: |
| Integrated leaching of nickel-cobalt-manganese ternary precursor waste and nickel sulfide waste was studied. The experimental results show that recovery of manganese in nickel-cobalt-manganese ternary precursor waste and utilization of nickel sulfide waste is 99.89% and 92.60% respectively under the optimum conditions including mass ratio of nickel sulfide waste to nickel-cobalt-manganese ternary precursor waste of 1/5, initial acidity of reaction of 4 mol/L, reaction temperature of 90 ℃, L/S of 4, and reaction time of 6 h. The residue can be used for leaching nickel-cobalt-manganese ternary precursor waste as reductant. The objective of integrated leaching of nickel-cobalt-manganese ternary precursor waste and nickel sulfide waste is realized without any other additional oxidant or reductant. |
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