ABSTRACT With growing global lithium demand, brine resources have gained research focus due to abundance but extraction challenges. This review summarizes lithium enrichment advances from various brines, comparing mainstream technologies. Adsorption methods show superior potential, though adsorbent performance varies significantly. We comprehensively analyze adsorbents’ technical characteristics, including chemical structures, synthesis, adsorption mechanisms, and separation performance. By evaluating advantages/limitations alongside mechanisms and application challenges, optimization strategies are proposed. Future development directions for novel adsorbents are suggested, providing theoretical and practical guidance to advance brine lithium extraction technologies.
Zhai et al. (Sun,) studied this question.
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