膜技术在盐湖提锂中的进展和展望

doi:10.19964/j.issn.1006-4990.2022-0606

摘要/Abstract

摘要：

随着新能源产业的快速发展，卤水锂资源开发已成为世界范围战略性新兴产业发展的重要内涵。膜分离技术，因其优异的一/二价离子分离性能、良好的环保和经济性，已成为中国高镁锂比盐湖卤水提锂的主流工艺。归纳分析了膜分离技术在卤水体系中的分离机理、研究进展及未来发展方向。新型高性能锂离子分离膜的持续研究发展，必将加速提升中国卤水锂资源的开发水平。

关键词: 卤水提锂, 纳滤膜, 电渗析膜, 离子印迹膜, 抗污染膜

Abstract:

Under the rapid development of the new energy industry，the development of lithium brine resources has become an important connotation of the development of strategic emerging industries worldwide.Membrane separation technology has become the mainstream process for lithium extraction from salt lake brine with high magnesium lithium ratio in China，due to its excellent separation performance of monovalent/divalent ions，good environmental protection and economy.The separation mechanism，research progress and future development of membrane separation technology in brine system were summarized and analyzed.The continuous research and development of new high-performance lithium ion separation membranes would certainly accelerate the development of lithium resources in brine in China.

Key words: lithium extraction from salt lake brine, nanofiltration membrane, electrodialysis membrane, ion imprinted membrane, antifouling membrane

中图分类号:

TQ131.11

林钰青,张以任,邱宇隆,张嘉雨,于建国. 膜技术在盐湖提锂中的进展和展望[J]. 无机盐工业, 2023, 55(1): 33-45.

LIN Yuqing,ZHANG Yiren,QIU Yulong,ZHANG Jiayu,YU Jianguo. Progress and prospect of membrane technology in lithium extraction from salt lake brine[J]. Inorganic Chemicals Industry, 2023, 55(1): 33-45.

图/表 5

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