A novel porous asymmetric cation exchange membrane with thin selective layer for efficient electrodialysis desalination

Fan, Huiqin; Xu, Yanbin; Zhao, Fang; Chen, Qing-Bai; Wang, Di; Wang, Jianyou

doi:10.1016/j.cej.2023.144856

Chemical Engineering Journal

2023

DOI: 10.1016/j.cej.2023.144856

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A novel porous asymmetric cation exchange membrane with thin selective layer for efficient electrodialysis desalination

Huiqin Fan

Yanbin Xu

Fang Zhao

et al.

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2024

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Cited by 10 publications

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“…Table S1: The main characteristics of the ion exchange membranes used in this research; Table S2: Comparison of desalination performances of various materials from literature. References [ 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 ] are cite in the Supplementary Materials.…”

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confidence: 99%

Ferrocene Bis(Sulfonate) Salt as Redoxmer for Fast and Steady Redox Flow Desalination

Xie,

Schrage,

Jiang

et al. 2024

Molecules

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Desalination is considered a promising solution to alleviate water shortages, yet current methods are often restricted, due to challenges like high energy consumption, significant cost, or limited desalination capacity. In this study, we present a novel approach of redox flow desalination (RFD) utilizing the highly aqueous-soluble and reversible redox-active compound, potassium 1,1′-bis(sulfonate) ferrocene (1,1′-FcDS). This water-soluble organic compound yielded stable and rapid desalination, sustaining extended operation without notable decay and achieving an impressive desalination rate of up to 457.5 mmol·h−1·m−2 and energy consumption as low as 40.2 kJ·molNaCl−1. Specifically, the RFD device effectively desalinated a 50 mM NaCl solution to potable standards within 6000 s using 1,1′-FcDS. It maintained an average energy consumption of 178.16 kJ·molNaCl−1 and exhibited negligible deterioration in desalination rate, energy efficiency, and charge efficiency throughout a rigorous 12,000 s cycling test. Furthermore, the versatility of this method was demonstrated by effectively treating saline water with varying initial concentrations from 10 mM to 50 mM, showcasing its potential across a broad spectrum of applications.

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confidence: 99%

Ferrocene Bis(Sulfonate) Salt as Redoxmer for Fast and Steady Redox Flow Desalination

Xie,

Schrage,

Jiang

et al. 2024

Molecules

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Solvent-free fabrication of pore-filling cation-exchange membranes for highly efficient desalination

Wang,

Yan,

Wang

et al. 2024

Chemical Engineering Science

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Capacitive deionization in water treatment: A review of reactor dynamics, electrode materials, functional membranes, and modeling techniques

Wang,

Liu,

Ding

et al. 2024

Desalination

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A novel porous asymmetric cation exchange membrane with thin selective layer for efficient electrodialysis desalination

Cited by 10 publications

References 64 publications

Ferrocene Bis(Sulfonate) Salt as Redoxmer for Fast and Steady Redox Flow Desalination

Ferrocene Bis(Sulfonate) Salt as Redoxmer for Fast and Steady Redox Flow Desalination

Solvent-free fabrication of pore-filling cation-exchange membranes for highly efficient desalination

Capacitive deionization in water treatment: A review of reactor dynamics, electrode materials, functional membranes, and modeling techniques

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