2009 Volume 3 Issue 11
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Lu Qiang, An Lichao, Wang Zhiliang, Zhong Qin, Xia Wenwen. Study on degradation of nitrobenzene wastewater by electro-catalytic oxidation with DSA electrode[J]. Chinese Journal of Environmental Engineering, 2009, 3(11): 1989-1994.
Citation: Lu Qiang, An Lichao, Wang Zhiliang, Zhong Qin, Xia Wenwen. Study on degradation of nitrobenzene wastewater by electro-catalytic oxidation with DSA electrode[J]. Chinese Journal of Environmental Engineering, 2009, 3(11): 1989-1994.
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Study on degradation of nitrobenzene wastewater by electro-catalytic oxidation with DSA electrode

  • 1.

    School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

  • 2.

    Jiangsu Key Laboratory of Environmental Engineering，Jiangsu Environmental Sciences Institute, Nanjing 210036,China

  • 3.

    Jiangsu Environmental Monitoring Center,Nanjing 210036,China

  • Received Date: 23/12/2008
    Accepted Date: 07/11/2008
    Fund Project:
  • In order to improve the biodegradability of persistent organic wastewater and remove the key pollutants more efficiently in the wastewater.A new type of DSA electrode is used to decompose nitrobenzene wastewater which the electrode is composed of Sn/Sb oxide as midlayer and Ru/Pd oxide as external-layer.The test of SEM and XRD shows that this electrode has better catalyticactivity,longer life and stronger bonding between bottom-layer,mid-layer and external-layer;the result of wastewater treatment shows that the reaction system is suitable for high concentrations of organic wastewater.Also,the system can provide a new salinity reuse method in the actual wastewater because the system needs electrolyte to enhance the mas transfer. Then,the system can reach a higher removal efficiency under the conditions of J(current density)=20 mA/cm2,C’(Na2SO4 electrolyte concentration)=10 g/L,pH=5,L(distance between anode and cathode)=2 cm.
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Study on degradation of nitrobenzene wastewater by electro-catalytic oxidation with DSA electrode

  • Received Date: 23/12/2008
  • Accepted Date: 07/11/2008
Fund Project:

Abstract: In order to improve the biodegradability of persistent organic wastewater and remove the key pollutants more efficiently in the wastewater.A new type of DSA electrode is used to decompose nitrobenzene wastewater which the electrode is composed of Sn/Sb oxide as midlayer and Ru/Pd oxide as external-layer.The test of SEM and XRD shows that this electrode has better catalyticactivity,longer life and stronger bonding between bottom-layer,mid-layer and external-layer;the result of wastewater treatment shows that the reaction system is suitable for high concentrations of organic wastewater.Also,the system can provide a new salinity reuse method in the actual wastewater because the system needs electrolyte to enhance the mas transfer. Then,the system can reach a higher removal efficiency under the conditions of J(current density)=20 mA/cm2,C’(Na2SO4 electrolyte concentration)=10 g/L,pH=5,L(distance between anode and cathode)=2 cm.

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