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| Research on Recovery of Lithium from Lepidolite Concentrate by Chlorination Roasting and Water Leaching |
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Received:October 17, 2020
Revised:October 19, 2020
Accepted:October 25, 2020
Published Online:January 21, 2021
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| DOI：doi：10.3969/j.issn.1007-7545.2021.02.011 |
| KeyWord:lepidolite; chlorination roasting; water leaching; recovery of lithium |
| Author | Institution |
| LIU Lin |
中国地质科学院郑州矿产综合利用研究所 |
| LIU Lei |
中国地质科学院郑州矿产综合利用研究所 |
| ZHANG Liang |
中国地质科学院郑州矿产综合利用研究所 |
| WANG Wei |
中国地质科学院郑州矿产综合利用研究所 |
| LIU Hong-zhao |
中国地质科学院郑州矿产综合利用研究所 |
| CAO Yao-hua |
中国地质科学院郑州矿产综合利用研究所 |
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| Abstract: |
| Lithium was recovered from lepidolite concentrate with 3.23% Li2O by chlorination roasting and water leaching method. Effects of chlorination agent dosage, roasting temperature, roasting time, L/S, leaching temperature and leaching time on Li2O leaching rate were discussed. The results show that leaching rate of Li2O is 95.36% under the optimum conditions including CaCl2 dosage of 3/4 of mineral mass, roasting temperature of 900 ℃, roasting time of 40 min, L/S of leaching of 3︰1, and leaching time of 40 min under room temperature. |
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