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Wang Hailing, Zeng Leilei, Zhu Zhaolian, Liu Fuqiang. Pretreatment of DOP industrial wastewater by resin adsorption[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 831-835.
Citation: Wang Hailing, Zeng Leilei, Zhu Zhaolian, Liu Fuqiang. Pretreatment of DOP industrial wastewater by resin adsorption[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 831-835.
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Pretreatment of DOP industrial wastewater by resin adsorption

  • 1.

    Jiangsu Key Laboratory of Industrial Water-Conservation & Emission Reduction, College of Environment, Nanjing University of Technology, Nanjing 210009, China

  • 2.

    State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210093, China

  • Received Date: 11/08/2011
    Accepted Date: 13/07/2011
    Available Online: 18/03/2013
    Fund Project:
  • High concentration DOP wastewater is very difficult to be degraded by conventional treatments and leads to serious harmful to the environment. In this study, resin adsorption was used to pretreat DOP wastewater. The optimal operating conditions for resin adsorption and desorption were investigated. The results showed that the COD removal rate with resin NDA99 reached to 94% under the conditions of room temperature, pH=2, flow rate of 4 BV/h and batch processing volume of 16 BV. The desorption agent of 1 BV 8%NaOH+ 1 BV 4%NaOH+ 2 BVwater was used to regenerate the saturated resin under the conditions of 60℃ and desorption flow rate of 1 BV/h. The COD desorption rate was over 97%. The resin exhibited the better adsorption and desorption characteristics.
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Pretreatment of DOP industrial wastewater by resin adsorption

  • Received Date: 11/08/2011
  • Accepted Date: 13/07/2011
  • Available Online: 18/03/2013
Fund Project:

Abstract: High concentration DOP wastewater is very difficult to be degraded by conventional treatments and leads to serious harmful to the environment. In this study, resin adsorption was used to pretreat DOP wastewater. The optimal operating conditions for resin adsorption and desorption were investigated. The results showed that the COD removal rate with resin NDA99 reached to 94% under the conditions of room temperature, pH=2, flow rate of 4 BV/h and batch processing volume of 16 BV. The desorption agent of 1 BV 8%NaOH+ 1 BV 4%NaOH+ 2 BVwater was used to regenerate the saturated resin under the conditions of 60℃ and desorption flow rate of 1 BV/h. The COD desorption rate was over 97%. The resin exhibited the better adsorption and desorption characteristics.

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