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| Leaching Experiment of Rhenium from Rhenium-rich Slag |
| Received:October 21, 2023 Revised:November 02, 2023 |
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| DOI：doi：10.3969/j.issn.1007-7545.2024.02.015 |
| KeyWord:rhenium-rich slag; rhenium; leaching; oxidation; potential |
| Author | Institution |
| ZHANG Xiaoxing |
西北矿冶研究院 |
| LU Xingwu |
西北矿冶研究院 |
| YIN Qinsheng |
西北矿冶研究院 |
| YUAN Jingjing |
西北矿冶研究院 |
| CHENG Liang |
西北矿冶研究院 |
| LI Yuliang |
西北矿冶研究院 |
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| Abstract: |
| Address to the characteristics of high composition and complex metal occurrence in rhenium-rich slag, a controlled potential oxidation leaching method was used to conduct leaching experiments on rhenium in rhenium-rich slag. Through single factor experiments, the optimal experimental conditions are determined as follow: oxidation leaching potential of 700—750 mV, mass concentration of sulfuric acid of 15%, leaching temperature of 70 ℃, and leaching time of 60 minutes. Under these conditions, the leaching rate of rhenium is 98.612%, and the leaching rate of other components is 90% above. |
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