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  • Title: [Electricity generation using high concentration terephthalic acid solution by microbial fuel cell].
    Author: Ye YJ, Song TS, Xu Y, Chen YW, Zhu SM, Shen SB.
    Journal: Huan Jing Ke Xue; 2009 Apr 15; 30(4):1221-6. PubMed ID: 19545033.
    Abstract:
    The high concentration terephthalic acid (TA) solution as the substrate of microbial fuel cell (MFC) was studied to generate electricity. The open circuit voltage was 0.54 V after inoculating for 210 h with anaerobic activated sludge, which proved that TA can be the substrate of microbial fuel cell to generate electricity. The influence of pH and substrate concentration on generating electricity was studied deeply. The voltage output of external resistance (R = 1,000 Omega) was the highest when pH was 8.0. It increased as the substrate concentration increasing and tended towards a maximum value. The maximum voltage output Umax was 0.5 V and Ks was 785.2 mg/L by Monod equation regression. When the substrate concentration (according to COD) was 4000 mg/L, the maximum power density was 96.3 mW/m2, coulomb efficiency was 2.66% and COD removal rate was 80.3%.
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