A Novel Packed-bed Electrocatalysis Reactor (PBECR) for Efficient Degradation of Organic Compounds

DOI Web Site Web Site 参考文献26件
  • LI Peng
    School of Environment Science and Spatial Informatics, China University of Mining and Technology
  • ZHAO Yuemin
    School of Chemical Engineering and Technology, China University of Mining and Technology
  • WANG Lizhang
    School of Environment Science and Spatial Informatics, China University of Mining and Technology
  • DING Binbin
    School of Environment Science and Spatial Informatics, China University of Mining and Technology
  • HU Yunlong
    Engineering Consulting Center of Xuzhou
  • YAN Qian
    School of Environment Science and Spatial Informatics, China University of Mining and Technology

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抄録

In this paper, a novel packed-bed electrocatalysis reactor (PBECR) composed of titanium dioxide coated activated carbon (TiO2/AC) was presented for efficient wastewater treatment. The TiO2/AC in the PBECR could provide numerous convergent-divergent access tubes for organic compounds (OC) that can eliminate AC plugging to ensure operation permanence in electrochemical oxidation. Further, the employment of TiO2/AC is beneficial to shorten phenol degradation pathway and decrease poisonous intermediate accumulation. In addition, the PBECR show perfect electrode performance in treating landfill leachate, validating the broad applicability of the proposed process. It was found that the electrode area expansion and short-circuit avoidance by TiO2 are the main factors in enhancement of OC oxidation kinetics, which are different from mechanisms of those photoprocesses. These observations can be of considerable technological and theoretical values and facilitate to be extended to wide applicable ranges of TiO2.

収録刊行物

  • Electrochemistry

    Electrochemistry 82 (12), 1056-1060, 2014

    公益社団法人　電気化学会

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