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Title: Hydrogen peroxide production in a pilot-scale microbial electrolysis cell
Authors: Sim, Junyoung
Reid, Robertson
Hussain, Abid
An, Junyeong
Lee, Hyung-Sool
Keywords: DRNTU::Engineering::Environmental engineering
Hydrogen Peroxide
Microbial Electrolysis Cells
Issue Date: 2018
Source: Sim, J., Reid, R., Hussain, A., An, J., & Lee, H.-S. (2018). Hydrogen peroxide production in a pilot-scale microbial electrolysis cell. Biotechnology Reports, 19, e00276-. doi:10.1016/j.btre.2018.e00276
Series/Report no.: Biotechnology Reports
Abstract: A pilot-scale dual-chamber microbial electrolysis cell (MEC) equipped with a carbon gas-diffusion cathode was evaluated for H2O2 production using acetate medium as the electron donor. To assess the effect of cathodic pH on H2O2 yield, the MEC was tested with an anion exchange membrane (AEM) and a cation exchange membrane (CEM), respectively. The maximum current density reached 0.94–0.96 A/m2 in the MEC at applied voltage of 0.35–1.9 V, regardless of membranes. The highest H2O2 conversion efficiency was only 7.2 ± 0.09% for the CEM-MEC. This low conversion would be due to further H2O2 reduction to H2O on the cathode or H2O2 decomposition in bulk liquid. This low H2O2 conversion indicates that large-scale MECs are not ideal for production of concentrated H2O2 but could be useful for a sustainable in-situ oxidation process in wastewater treatment.
DOI: 10.1016/j.btre.2018.e00276
Rights: © 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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