Behavior of two-chamber microbial electrochemical systems started-up with different ion-exchange membrane separators

László Koók, Elie Desmond Le Quéméner, Péter Bakonyi, Jan Zitka, Eric Trably, Gábor Tóth, Lukas Pavlovec, Zbynek Pientka, Nicolas Bernet, K. Bélafi-Bakó, N. Nemestóthy

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this study, microbial fuel cells (MFCs) – operated with novel cation- and anion-exchange membranes, in particular AN-VPA 60 (CEM) and PSEBS DABCO (AEM) – were assessed comparatively with Nafion proton exchange membrane (PEM). The process characterization involved versatile electrochemical (polarization, electrochemical impedance spectroscopy – EIS, cyclic voltammetry – CV) and biological (microbial structure analysis) methods in order to reveal the influence of membrane-type during start-up. In fact, the use of AEM led to 2–5 times higher energy yields than CEM and PEM and the lowest MFC internal resistance (148 ± 17 Ω) by the end of start-up. Regardless of the membrane-type, Geobacter was dominantly enriched on all anodes. Besides, CV and EIS measurements implied higher anode surface coverage of redox compounds for MFCs and lower membrane resistance with AEM, respectively. As a result, AEM based on PSEBS DABCO could be found as a promising material to substitute Nafion.

Original languageEnglish
Pages (from-to)279-286
Number of pages8
JournalBioresource Technology
DOIs
Publication statusPublished - Apr 1 2019

Fingerprint

Ion exchange membranes
Separators
ion exchange
membrane
Membranes
Microbial fuel cells
fuel cell
Ion exchange
Protons
Anodes
Electrochemical impedance spectroscopy
Cyclic voltammetry
Anions
separator
Cations
Negative ions
polarization
Positive ions
spectroscopy
Polarization

Keywords

  • Bioelectrochemical system
  • Membrane
  • Microbial community structure
  • Microbial fuel cell
  • Principal component analysis
  • Separator

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Behavior of two-chamber microbial electrochemical systems started-up with different ion-exchange membrane separators. / Koók, László; Quéméner, Elie Desmond Le; Bakonyi, Péter; Zitka, Jan; Trably, Eric; Tóth, Gábor; Pavlovec, Lukas; Pientka, Zbynek; Bernet, Nicolas; Bélafi-Bakó, K.; Nemestóthy, N.

In: Bioresource Technology, 01.04.2019, p. 279-286.

Research output: Contribution to journalArticle

Koók, László ; Quéméner, Elie Desmond Le ; Bakonyi, Péter ; Zitka, Jan ; Trably, Eric ; Tóth, Gábor ; Pavlovec, Lukas ; Pientka, Zbynek ; Bernet, Nicolas ; Bélafi-Bakó, K. ; Nemestóthy, N. / Behavior of two-chamber microbial electrochemical systems started-up with different ion-exchange membrane separators. In: Bioresource Technology. 2019 ; pp. 279-286.
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