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| Research Progress on Lithium Extraction Technology from Fly Ash |
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Received:December 24, 2017
Revised:December 26, 2017
Accepted:January 02, 2018
Published Online:March 20, 2018
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| DOI：doi：10.3969/j.issn.1007-7545.2018.04.011 |
| KeyWord:fly ash; acid process; alkaline process; lithium extractive technology |
| Author | Institution |
| Li chao |
神华准能资源综合开发有限公司 研发中心 内蒙古 鄂尔多斯 薛家湾 |
| Wang Liping |
神华准能资源综合开发有限公司 研发中心 内蒙古 鄂尔多斯 薛家湾 |
| Guo Zhaohua |
神华准能资源综合开发有限公司 |
| Wang Yongwang |
神华准能资源综合开发有限公司 研发中心 内蒙古 鄂尔多斯 薛家湾 |
| Chen Dong |
神华准能资源综合开发有限公司 研发中心 内蒙古 鄂尔多斯 薛家湾 |
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| Abstract: |
| Distribution and enrichment of lithium in coal worldwide are introduced. Extraction technology of lithium from fly ash is introduced, including H2SO4 roasting method, HCl leaching method, and Na2CO3 sintering process. Present research status of lithium extraction from fly ash and existing problems of lithium extraction are analyzed. Reasonable suggestions and research directions are provided, and extraction of associated lithium resources in coal is prospected. |
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