* Corresponding Author
The Development of Lithium Ion Recovery Method by Activated Carbon and Natural Zeolite-based Adsorbent
https://doi.org/10.22146/ajche.49569 Chandra Wahyu Purnomo(1*), Endhy Kesuma(2), Sang Kompiang Wirawan(3), Hirofumi Hinode(4)
(1) Chemical Engineering Department, Engineering Faculty, Gadjah Mada University, Indonesia
(2) Chemical Engineering Department, Engineering Faculty, Gadjah Mada University, Indonesia
(3) Chemical Engineering Department, Engineering Faculty, Gadjah Mada University, Indonesia
(4) Transdiciplinary Science and Engineering Department, Tokyo Institute of Technology, Japan
(*) Corresponding Author
Abstract
Coconut shell char and natural zeolite been activated and then tested to separate between lithium and cobalt ions in solutions. The capacity of adsorption and selectivity between the ions were investigated. The longer adsorption time, the capacity was getting better but the selectivity decreased. It was observed that the optimum selectivity was obtained by 3 hours adsorption using activated carbon. The chemical activated sample has superior performance and selectivity compared with physical activation carbons of the same activation temperature. After the adsorption, pure lithium solution can be obtained while the other metal is adsorbed inside the adsorbent
Keywords
selective adsorption, activated carbon, natural zeolite, lithium recovery
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DOI: https://doi.org/10.22146/ajche.49569
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