Research Progress and Challenges of Lithium Extraction from Salt Lake by Adsorption Method AITranslate

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Chinese Library Classification Number:TF826.3[冶金工程—有色金属冶金]

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With the rapid development of the global new energy industry,the demand for lithium has increased dramatically.Salt lake lithium resources with large reserves and low production costs have become the main source of lithium products.However,the development of lithium resources in salt lake is facing the double challenges of technology and environment,in which the separation of magnesium and lithium from brine with a high magnesium-lithium ratio is the key technical bottleneck.The adsorption method has attracted much attention in the field of lithium extraction from salt lake due to its advantages of strong adsorption capacity,high selectivity,simple preparation,low pollution and reusability of adsorbents.This paper reviews the research progress of the adsorption method for lithium extraction from salt lake,introduces the working principles and characteristics of inorganic adsorbents,organic adsorbents and composite adsorbents in detail,analyzes the problems and challenges faced by this method,and looks forward to its future development direction.