Journal of Electrochemical Science and Technology

The Korean Electrochemical Society (한국전기화학회)
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Further Electrochemical Degradation of Real Textile Effluent Using PbO2 Electrode

  • Wang, Chao (College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology) ;
  • Tian, Penghao (College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology)
  • Received : 2020.12.24
  • Accepted : 2021.01.20
  • Published : 2021.05.28
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Abstract

A commercial PbO2 electrode was adopted as the anode for the electrochemical degradation of the real textile effluent with the initial COD of 56.0 mg L-1 and the stainless steel plate as the cathode. The effect of the initial pH, the electrolyte flow rate and the cell voltage on the COD, the current efficiency and the energy consumption were investigated without the addition of NaCl or Na2SO4. The experimental results illustrated that the PbO2 electrode can reduce the COD of the textile effluent from 56.0 mg L-1 to 26.0 mg L-1 with the current efficiency of 86.1% and the energy consumption of 17.5 kWh kg-1 (per kilogram of degraded COD) under the optimal operating conditions. Therefore PbO2 electrode as the anode was promising to further electrochemically degrade the real textile effluent.

Keywords

Acknowledgement

We thank the Major Science and Technology Program for Water Pollution Control and Treatment (2017ZX07202001) for financial support.

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