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  • Title: Simultaneous organics removal and bio-electrochemical denitrification in microbial fuel cells.
    Author: Jia YH, Tran HT, Kim DH, Oh SJ, Park DH, Zhang RH, Ahn DH.
    Journal: Bioprocess Biosyst Eng; 2008 Jun; 31(4):315-21. PubMed ID: 17909860.
    Abstract:
    Simultaneous organics removal and bio-electrochemical denitrification using a microbial fuel cell (MFC) reactor were investigated in this study. The electrons produced as a result of the microbial oxidation of glucose in the anodic chamber were transferred to the anode, which then flowed to the cathode in the cathodic chamber through a wire, where microorganisms used the transferred electrons to reduce the nitrate. The highest power output obtained on the MFCs was 1.7 mW/m(2) at a current density of 15 mA/m(2). The maximum volumetric nitrate removal rate was 0.084 mg NO(3)(-)-N cm(-2) (electrode surface area) day(-1). The coulombic efficiency was about 7%, which demonstrated that a substantial fraction of substrate was lost without current generation.
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