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Materials 2016, 9(5), 365; doi:10.3390/ma9050365

Design of Anion Exchange Membranes and Electrodialysis Studies for Water Desalination

1
Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
2
Departamento de Universidad de Córdoba, Edificio Marie Curie, Ctra Nnal IV-A, Km396, Córdoba E14014, Spain
3
Department of Chemistry, Bahaudin Zakariya University Multan, Multan 60800, Pakistan
4
Department of Physics, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
5
School of Chemistry and Material Science, University of Science and Technology of China, Hefei 230026, China
*
Author to whom correspondence should be addressed.
Academic Editor: Reza Montazami
Received: 2 March 2016 / Revised: 3 May 2016 / Accepted: 6 May 2016 / Published: 12 May 2016
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Abstract

Anion exchange membranes are highly versatile and nowadays have many applications, ranging from water treatment to sensing materials. The preparation of anion exchange membranes (AEMs) from brominated poly(2,6-dimethyl-1,6-phenylene oxide) (BPPO) and methyl(diphenyl)phosphine (MDPP) for electrodialysis was performed. The physiochemical properties and electrochemical performance of fabricated membranes can be measured by changing MDPP contents in the membrane matrix. The influence of a quaternary phosphonium group associated with the removal of NaCl from water is discussed. The prepared membranes have ion exchange capacities (IEC) 1.09–1.52 mmol/g, water uptake (WR) 17.14%–21.77%, linear expansion ratio (LER) 7.96%–11.86%, tensile strength (TS) 16.66–23.97 MPa and elongation at break (Eb) 485.57%–647.98%. The prepared anion exchange membranes were employed for the electrodialytic removal of 0.1 M NaCl aqueous solution at a constant applied voltage. It is found that the reported membranes could be the promising candidate for NaCl removal via electrodialysis. View Full-Text
Keywords: anion exchange membrane; BPPO; methyl(diphenyl)phosphine; electrodialysis; NaCl anion exchange membrane; BPPO; methyl(diphenyl)phosphine; electrodialysis; NaCl
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Khan, M.I.; Luque, R.; Akhtar, S.; Shaheen, A.; Mehmood, A.; Idress, S.; Buzdar, S.A.; ur Rehman, A. Design of Anion Exchange Membranes and Electrodialysis Studies for Water Desalination. Materials 2016, 9, 365.

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