综述了无机吸附剂提取盐湖卤水中锂的研究进展。详细叙述了铝基吸附剂,层状离子交换吸附剂.钛基、锑基和锰基锂离子筛的提锂原理及发展现状,并根据物质结构特点指出了各类吸附剂的优势以及在提锂过程中存在的不足,提出了相应的改进方向。作为一种新型、高效、绿色的提锂剂,锰基吸附材料的发展前景被普遍看好,重点讨论了锰基吸附材料制备手段及掺杂改性研究.并对其发展进行了展望。
The research progress of lithium extraction in salt lake brines by inorganic adsorbents is reviewed. The principle of extracting lithium and development status of aluminum based adsorbent, layered ion exchange adsorbent, titanium, antimony and manganese based lithium ionic sieves are described in detail. The advantages and the deficiencies in the process of extracting lithium of all kinds of adsorbents are pointed out according to their structural characteristics, and the corresponding improvement measurements are also proposed. As a new, efficient and green agent for lithium extraction, manganese based adsorbents show good development prospect. The preparation methods and doping modification of manganese oxides lithium ion sieve are discussed, and the development prospects are also expounded.