总结了采用溶剂萃取法在盐湖卤水中提取锂资源的三类萃取剂:酸性萃取剂、中性络合萃取剂和碱性萃取剂,分析了三类不同萃取剂在萃取锂工艺过程的优缺点,指出了溶剂萃取法从高镁锂比的盐湖卤水中萃取提锂尚待攻克的技术难题。
A review with 16 references is given on progresses on solvents extraction for Lithium recovery from brines including. Three kinds of solvent extractants corresponding to acidic extractants, neutral complex extractants and alkaline extractants and their advantages and disadvantages in the process for lithium extraction with the three extractants and the key technical problem faced at present for lithium recovery by solvent extraction from the high ratio of Mg/Li salt lake brines.