2010 Volume 4 Issue 12
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Peng Mingguo, Xue Chunyang, Chen Yizhong, Guo Yingqing, Wang Liping. Effect of step feed on nitrogen and phosphorus removal by reversed A2//O process[J]. Chinese Journal of Environmental Engineering, 2010, 4(12): 2793-2796.
Citation: Peng Mingguo, Xue Chunyang, Chen Yizhong, Guo Yingqing, Wang Liping. Effect of step feed on nitrogen and phosphorus removal by reversed A2//O process[J]. Chinese Journal of Environmental Engineering, 2010, 4(12): 2793-2796.
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Effect of step feed on nitrogen and phosphorus removal by reversed A2//O process

  • 1.

    School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China

  • Received Date: 06/02/2010
    Accepted Date: 27/11/2009
    Fund Project:
  • Based on the conventional A2/O process, the reversed A2/O process for step feed was put forward that an anaerobic tank was put before anoxic tank. The effect of step feed on nitrogen and phosphorus removal by reversed A2/O process was investigated by adjusting the proportion of α (the inflow of sewage into the anaerobic stage) to β (the inflow of sewage into the anoxic stage). It was found that the optimal efficiency was up to 74.3% and 71.2%, respectively when the ratio of α to β was 7 to 3.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Effect of step feed on nitrogen and phosphorus removal by reversed A2//O process

  • Received Date: 06/02/2010
  • Accepted Date: 27/11/2009
Fund Project:

Abstract: Based on the conventional A2/O process, the reversed A2/O process for step feed was put forward that an anaerobic tank was put before anoxic tank. The effect of step feed on nitrogen and phosphorus removal by reversed A2/O process was investigated by adjusting the proportion of α (the inflow of sewage into the anaerobic stage) to β (the inflow of sewage into the anoxic stage). It was found that the optimal efficiency was up to 74.3% and 71.2%, respectively when the ratio of α to β was 7 to 3.

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