Мақола

Synthesis of Spherical Composite CMC-LTO-EGDE-ME for Lithium Recovery from Geothermal Water

Yingchun XieCNNP Kunhua Energy Development Co Ltd, Hangzhou 311113, ChinaYilin ZhangCollege of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, ChinaJiayu QinCollege of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, ChinaMurodjon SamadiyCollege of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, ChinaTianlong DengCollege of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China

Journal of Chemistryjournal2022en

ABI

Аннотация

In this study, ethylene glycol diglycidyl ether (EGDE) and melamine (ME) were used to prepare a spherical composite material CMC-LTO-EGDE-ME through the strategy of cross-linking reaction of biodegradable sodium carboxymethyl cellulose (CMC) with Li2TiO3 (LTO) to improve the cycle stability of the adsorption-desorption for lithium recovery. In the geothermal water at 333.15°K, the adsorption capacity of the spherical composite adsorbent for lithium-ion is 12.02 mg/g, and the adsorption equilibrium time is 8 h. There is a good selectivity of Li+ (Kd = 3.7 × 103) and high separation factors between Li+ and Na+, K+, Cs+ and Ca2+ (between 39.17 and 181.97). Studies on adsorption kinetics and adsorption isotherm showed that composite material’s adsorption process was obtained from the pseudosecond-order kinetics and the molecular diffusion model. It was found that the composite material has broad applications in lithium recovery from geothermal water.

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Мавзулар

Extraction and Separation Processes Advancements in Battery Materials Recycling and Waste Management Techniques

Идентификаторлар

DOI: 10.1155/2022/6884947

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