2017 Volume 11 Issue 9
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ZENG Xiaolan, CHEN Liang, DING Wenchuan, ZHANG Yuxi, LIU Jiandong, WANG Jiankang. Treatment of mature landfill leachate with ammonia stripping-two-stage aged refuse bioreactor-Ac-Fenton process[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5013-5019. doi: 10.12030/j.cjee.201611104
Citation: ZENG Xiaolan, CHEN Liang, DING Wenchuan, ZHANG Yuxi, LIU Jiandong, WANG Jiankang. Treatment of mature landfill leachate with ammonia stripping-two-stage aged refuse bioreactor-Ac-Fenton process[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5013-5019. doi: 10.12030/j.cjee.201611104
shu

Treatment of mature landfill leachate with ammonia stripping-two-stage aged refuse bioreactor-Ac-Fenton process

  • 1.

    Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China

  • 2.

    Low Carbon Green Building International Joint Research Center, Chongqing University, Chongqing 400045, China

  • Received Date: 30/01/2017
    Accepted Date: 15/11/2016
    Available Online: 26/08/2017
    Fund Project:
  • Ammonia stripping-two-stage aged refuse bioreactor process was applied to treat late landfill leachate. According to the molecular weight distribution of organics and the three-dimensional fluorescence characteristics of the effluent from this combined process, Ac-Fenton was proposed as the advanced treatment technology by comparing 14 water quality parameters with the discharge standard and the optimal process conditions were examined based on orthogonal analysis. Research results show that the removal rate of various DOM molecular weights by the two-stage aged refuse bioreactor could reach 70% to 80%, and the removal of fulvic acid of visible region was relatively easier.The fulvic acid with molecular weight -1,H2O2 dosage of 0.15 mol·L-1,H2O2/Fe2+ of 2:1 and pH of 3.0. Synchronously, the total removal rate of color, COD,BOD5 and TN could reach 99.2%, 97.6%, 97.4%, 98.1%, respectively, and 14 water quality parameters could also meet the discharge standards GB 16889-2008.
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Treatment of mature landfill leachate with ammonia stripping-two-stage aged refuse bioreactor-Ac-Fenton process

  • Received Date: 30/01/2017
  • Accepted Date: 15/11/2016
  • Available Online: 26/08/2017
Fund Project:

Abstract: Ammonia stripping-two-stage aged refuse bioreactor process was applied to treat late landfill leachate. According to the molecular weight distribution of organics and the three-dimensional fluorescence characteristics of the effluent from this combined process, Ac-Fenton was proposed as the advanced treatment technology by comparing 14 water quality parameters with the discharge standard and the optimal process conditions were examined based on orthogonal analysis. Research results show that the removal rate of various DOM molecular weights by the two-stage aged refuse bioreactor could reach 70% to 80%, and the removal of fulvic acid of visible region was relatively easier.The fulvic acid with molecular weight -1,H2O2 dosage of 0.15 mol·L-1,H2O2/Fe2+ of 2:1 and pH of 3.0. Synchronously, the total removal rate of color, COD,BOD5 and TN could reach 99.2%, 97.6%, 97.4%, 98.1%, respectively, and 14 water quality parameters could also meet the discharge standards GB 16889-2008.

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