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| Influence Mechanism of Sulfur Recovery during Oxygen Pressure Leaching of Zinc Sulfide Concentrate |
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Received:May 23, 2024
Revised:June 07, 2024
Accepted:June 11, 2024
Published Online:September 11, 2024
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| DOI：doi：10.3969/j.issn.1007-7545.2024.10.013 |
| KeyWord:zinc sulfide concentrate; oxygen pressure leaching; sulfur; recovery |
| Author | Institution |
| CHEN Longyi |
长沙有色冶金设计研究院有限公司 |
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| Abstract: |
| Zinc oxygen pressure leaching process is characterized by direct wet oxygen pressure leaching of zinc sulfide concentrate. Sulfur does not enter the flue gas, but is directly converted into elemental sulfur recovery. The production process is simpler, environmentally friendly, low comprehensive energy consumption, and the sulfur products are relatively easier to store, transport and sell. Therefore, the promotion and application of this technology is of great significance to the realization of energy conservation and emission reduction in zinc smelting industry and even the goal of emission peak and carbon neutrality. The effects of mineral characteristics, metal leaching rate, sulfur acidification rate, sulfur crystallization process control, sulfur flotation efficiency and thermal filtration temperature of sulfur concentrate on sulfur recovery were studied. |
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