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AuthorMohanakrishna, Gunda
AuthorAbu-Reesh, Ibrahim M.
AuthorKondaveeti, Sanath
AuthorAl-Raoush, Riyadh I.
AuthorHe, Zhen
Available date2023-06-04T07:16:34Z
Publication Date2018
Publication NameBioresource Technology
ResourceScopus
URIhttp://dx.doi.org/10.1016/j.biortech.2018.01.005
URIhttp://hdl.handle.net/10576/43876
AbstractElectrochemically active anodic biofilm that has adapted under mild applied potentials in the range 100-500 mV was evaluated for its improved bioelectrogenesis and bioelectrochemical treatment of petroleum refinery wastewater (PRW) in a single chamber air cathode microbial fuel cell (MFC). MFC operation with 500 mV as supplemental voltage has exhibited a maximum power density of 132 mW/m2, which was three times higher than control MFC (45 mW/m2). Similarly, highest substrate removal efficiency (48%) was also obtained with the MFC of 500 mV, followed by 300 mV (37%), 100 mV (32%) and control (27%). Adaptation under applied potential conditions also exhibited enhanced degradation efficiency of diesel range organics (DROs)/straight chain-alkanes. The strategy efficiently reduced DROs with the maximum efficiency of 89% (500 mV), which is almost 50% higher than that of the control system (59%), demonstrating the effectiveness of using supplemented voltage in treating PRW. 2018 Elsevier Ltd
SponsorThis publication was made possible by NPRP grant # 6-289-2-125 from the Qatar national research fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors. The Authors would like to acknowledge the Environmental Science Centre (ESC), Qatar University for evaluating the samples for diesel range organics (DROs).
Languageen
PublisherElsevier
SubjectCyclic voltammetry (CV)
Diesel range organics (DROs)
Microbial fuel cells (MFC)
Petroleum refinery wastewater
Voltage supplementation
TitleEnhanced treatment of petroleum refinery wastewater by short-term applied voltage in single chamber microbial fuel cell
TypeArticle
Pagination16-21
Volume Number253
dc.accessType Abstract Only


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