NEW MATERIAL AND TECHNOLOGY |
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Advances in Extracting Lithium from Salt-lake Brines by Adsorption Technique |
XU Naicai1,2, SHI Dandan3, LI Sixia1, LIU Zhong2, DONG Yaping2, LI Wu2
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1 School of Chemistry and Chemical Engineering, Qinghai Normal University, Xining 810008; 2 Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008; 3 Institute of Science and Technology Information of Qinghai Province, Xining 810008 |
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Abstract 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.
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Published: 10 September 2017
Online: 2018-05-07
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