TITLE:
Electricity Generation Performance of Microbial Fuel Cell Embedded in Anaerobic-Anoxic-Oxic Wastewater Treatment Process
AUTHORS:
Bowei Li, Wenbo Dong, Bojie Liu, Beizhen Xie, Hong Liu
KEYWORDS:
Microbial Fuel Cell, Anaerobic-Anoxic-Oxic, MFC-A2/O Reactor, Directly Connected Area, The Distance between Electrodes
JOURNAL NAME:
Journal of Biosciences and Medicines,
Vol.3 No.9,
September
17,
2015
ABSTRACT:
Microbial fuel cell (MFC) embedded in anaerobic-anoxic-oxic
(A2/O) process has positive effects on wastewater treatment, which can enhance
the efficiencies of pollutants’ removal, along with electricity production. But
the electricity generation performance and its optimization of MFC embedded in
A2O process still needs to be further investigated. In this study, in order to
optimize the contaminants removal and electricity production of the MFC-A2/O
reactor, a lab-scale corridor-style MFC-A2/O reactor, which could simulate the
practical A2/O biological reactor better, was designed and operated. The removal
efficiencies of chemical oxygen demand, total nitrogen and total phosphorus
were continuously monitored so as the electricity generation. In addition, the
influences of the structural parameters’ changes of MFC on the output voltage,
including electrode material, the directly connected area and the distance
between electrodes, were also studied. The results elucidated that the effluent
quality of A2/O reactor could be improved when MFC was embedded, and all the
investigated structural factors were closely related to the electricity generation
performance of MFC to some extent.