Sulfonation of chitosan for enhanced sorption of Li(I) from acidic solutions – Application to metal recovery from waste Li-ion mobile battery - 成果

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Sulfonation of chitosan for enhanced sorption of Li(I) from acidic solutions – Application to metal recovery from waste Li-ion mobile battery

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成果类型：

期刊论文

作者：

Hamza, Mohammed F.;Mira, Hamed;Wei, Yuezhou;Aboelenin, Salama M.;Guibal, Eric;...

通讯作者：

Wei, Yuezhou(yzwei@usc.edu.cn)

作者机构：

[Wei, Yuezhou; Hamza, Mohammed F.] Univ South China, Sch Nucl Sci & Technol, Heng Yang 421001, Peoples R China.

[Mira, Hamed; Hamza, Mohammed F.] Nucl Mat Author, POB 530,El-Maadi, Cairo, Egypt.

[Wei, Yuezhou] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai, Peoples R China.

[Aboelenin, Salama M.] Turabah Univ Coll, Taif Univ, Biol Dept, At Taif, Saudi Arabia.

[Guibal, Eric] IMT Mines Ales, Polymers Compos & Hybrids PCH, Ales, France.

通讯机构：

[Yuezhou Wei] S

[Eric Guibal] P

School of Nuclear Science and Technology, University of South China, Heng Yang 421001, PR China<&wdkj&>School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai, PR China<&wdkj&>Polymers Composites and Hybrids (PCH), IMT Mines Ales, Alès, France

语种：

英文

关键词：

At pH 2.2 sulfonated chitosan selectively recovers lithium from acidic leachate of mobile phone Li-ion battery (for sustainable valorization of strategic metal);High stability in performances of sorption and desorption for eighteen cycles;Lithium sorption remains highly selective for Li(I) against alkali-earth and heavy metals;The sulfonation of chitosan strongly enhances the recovery of lithium from aqueous solutions;Uptake kinetics are fitted by the pseudo-first-order rate equation and sorption isotherms by the Langmuir dual site equation

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2022

卷：

441

页码：

135941

DOI：

10.1016/j.cej.2022.135941

基金类别：

S. M. A. acknowledges Taif University Supporting Project (TURSP- 2020/105). E. G., M. F H., and H.M acknowledge the support of the French Government (Institut Français d’Egypte) and Egyptian Academy of Science & Technology (Science and Technology Development Fund) through the IMHOTEP Program (MetalValor project). W.Y acknowledges the support of National Natural Science Foundation of China [U1967218, and 11975082].

机构署名：

本校为第一机构

院系归属：

核科学技术学院

摘要：

The functionalization of cross-linked chitosan (Chito) by an original sulfonating process allows synthesizing a highly efficient sorbent (Sulfo-C) for Li(I) recovery from acidic solution (at pH ≈2). FTIR and XPS analyses show the main contributions of amine and sulfonic groups in the binding mechanism. Maximum sorption capacity reaches 20 mmol Li g−1, and the sorption isotherms are fitted by the Langmuir Dual Site equation; the process being spontaneous, exothermic and enthalpy-driven. The sorption remains highly efficient in 1 M NaCl solutio...

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Sulfonation of chitosan for enhanced sorption of Li(I) from acidic solutions – Application to metal recovery from waste Li-ion mobile battery

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