Enhanced reductive degradation of methyl orange in a microbial fuel cell through cathode modification with redox mediators

@article{Liu2010EnhancedRD,
  title={Enhanced reductive degradation of methyl orange in a microbial fuel cell through cathode modification with redox mediators},
  author={Ronghua Liu and Guo-ping Sheng and Min Sun and Guo-Long Zang and Wen-Wei Li and Zhibo Tong and Fang Dong and Michael Hon-Wah Lam and Han-Qing Yu},
  journal={Applied Microbiology and Biotechnology},
  year={2010},
  volume={89},
  pages={201-208}
}
A model azo dye, methyl orange (MO), was reduced through in situ utilization of the electrons derived from the anaerobic conversion of organics in a microbial fuel cell (MFC). The MO reduction process could be described by a pseudo first-order kinetic model with a rate constant of 1.29 day−1. Electrochemical impedance spectroscopic analysis shows that the cathode had a high polarization resistance, which could decrease the reaction rate and limit the electron transfer. To improve the MO… CONTINUE READING

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