Abstract：
:Electrochemically 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.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Mohanakrishna G,Abu-Reesh IM,Kondaveeti S,Al-Raoush RI,He Zdoi
10.1016/j.biortech.2018.01.005subject
Has Abstractpub_date
2018-04-01 00:00:00pages
16-21eissn
0960-8524issn
1873-2976pii
S0960-8524(18)30005-1journal_volume
253pub_type
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