High power generation and COD removal in a microbial fuel cell operated by a novel sulfonated PES/PES blend proton exchange membrane

S. Zinadini, A.A. Zinatizadeh, M. Rahimi, V. Vatanpour and Z. Rahimi

Energy, 2017, vol. 125, issue C, 427-438

Abstract: In this paper, firstly sulfonated polyethersulfone (SPES) was synthesized from polyethersulfone (PES) with sulfonation by chlorosulfonic acid as a sulfonating agent dissolved in concentrated sulfuric acid. PES/SPES blend proton exchange membranes (PEMs) were prepared at four different compositions with the non-solvent induced phase separation technique as alternative materials to Nafion membrane for application in a microbial fuel cell (MFC). The prepared PEMs were characterized by FTIR spectroscopy, AFM, SEM, contact angle, water uptake and oxygen permeability. Performances of the fabricated PEMs and commercial Nafion 117 were evaluated in a dual chamber MFC for treating of wastewater and electricity generation. Maximum generated power and current of the fabricated membranes were 58.726 mWm−2 at current density of 317.111 mAm−2, while it was 45.512 mWm−2 at 228.673 mAm−2 for Nafion 117 at the similar experimental condition. The observed properties of low biofouling, low oxygen permeability, high power generation, high COD removal and coulombic efficiency (CE) indicated that the SPES membrane has potential to improve significantly the productivity of MFCs.

Keywords: Microbial fuel cell (MFC); Proton exchange membrane; Sulfonated PES; Wastewater treatment; Power generation (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:125:y:2017:i:c:p:427-438

DOI: 10.1016/j.energy.2017.02.146

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