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| Study on SO2 Reduction Leaching of High Ferric Acid Leaching Slag |
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Received:September 23, 2019
Revised:October 16, 2019
Accepted:October 17, 2019
Published Online:December 18, 2019
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| DOI：doi：10.3969/j.issn.1007-7545.2020.01.002 |
| KeyWord:zinc; acid leaching residue; SO2; reduction leaching; hematite method; leaching rate |
| Author | Institution |
| yulingfei |
云锡文山锌铟冶炼有限公司 |
| ZHU Bei-ping |
云锡文山锌铟冶炼有限公司 |
| WANG Si-fu |
云锡文山锌铟冶炼有限公司 |
| ZHAO Tian-ping |
云锡文山锌铟冶炼有限公司 |
| LI Yun |
云锡文山锌铟冶炼有限公司 |
| FAN Xue-jiang |
云锡文山锌铟冶炼有限公司 |
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| Abstract: |
| SO2 reduction leaching process is an important process in hematite zinc smelting process. Behaviors of elements such as zinc, iron, copper, arsenic and silicon during SO2 reduction leaching were studied. The results show that zinc leaching rate is 97% and leaching slag suitable for copper lead smelting is obtained under the conditions including leaching temperature of 110 ℃ , terminal acid concentration of 30 g/L, and leaching time of 2 h. |
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