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| Study on Extraction of Rubidium from Tungsten Tailings |
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Received:March 01, 2018
Revised:March 07, 2018
Accepted:March 08, 2018
Published Online:June 15, 2018
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| DOI：doi：10.3969/j.issn.1007-7545.2018.07.006 |
| KeyWord:rubidium; extraction; tungsten tailing; chloridizing roasting |
| Author | Institution |
| Wang Wei |
中国地质科学院郑州矿产综合利用研究所 |
| Liu Lin |
中国地质科学院郑州矿产综合利用研究所 |
| Liu Hongzhao |
中国地质科学院郑州矿产综合利用研究所 |
| Cao Yaohua |
中国地质科学院郑州矿产综合利用研究所 |
| Zhang Bo |
中国地质科学院郑州矿产综合利用研究所 |
| Wang Hongliang |
中国地质科学院郑州矿产综合利用研究所 |
| Zhao Hengqin |
中国地质科学院郑州矿产综合利用研究所 |
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| Abstract: |
| Chlorination roasting and water leaching were applied to leach rubidium from tungsten tailings bearing 0.14% Rb. Effects of type and dosage of chlorinating agent, granularity of tailings, roasting temperature roasting time, mass ratio of liquid to solid of water leaching, and water leaching temperature on rubidium leaching rate were studied. The results show that leaching rate of rubidium is 88.6% under the conditions including mass ratio of calcium chloride to sodium chloride of 1︰1, dosage of chlorinating agent of 50% of tailings quality, roasting duration of 2 h at 950 ℃, and leaching time of 1 h at room temperature with mass ratio of liquid to solid of 1.5︰1. |
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