2010 Volume 4 Issue 7
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Zhu Chunlan, Deng Shihuai, Xiao Hong, Duan Yan, Sun Yaqin, Hu Xiaomei, Hou Lin. Study on nitrogen removal of livestock wastewater in new-style SBBR[J]. Chinese Journal of Environmental Engineering, 2010, 4(7): 1525-1528.
Citation: Zhu Chunlan, Deng Shihuai, Xiao Hong, Duan Yan, Sun Yaqin, Hu Xiaomei, Hou Lin. Study on nitrogen removal of livestock wastewater in new-style SBBR[J]. Chinese Journal of Environmental Engineering, 2010, 4(7): 1525-1528.
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Study on nitrogen removal of livestock wastewater in new-style SBBR

  • 1.

    Department of Environmental Engineering,Sichuan Agriculture University,Ya’an 625014,China

  • Received Date: 28/09/2009
    Accepted Date: 06/07/2009
    Fund Project:
  • The three-phase internal-recycle aerobic biological fluidized bed was applied to treat the livestock wastewater,the removal efficiency and transformation of nitrogen in different modes were researched. At room temperature，the COD, the TN and the dissolved oxygen of influent were kept about 2 000 mg/L，140 mg/L and 2～2.5 mg/L,respectively, the treatment efficiency of an alternative aerobic and anaerobic mode was superior to that of a single aerobic or anaerobic mode.The mode with 3 hours aeration + 1.5 hours anaerobic + 1.5 hours aeration + 1 hour anaerobic had the highest removal rate of TN (about 90%) among the investigated three modes. The main ways for nitrogen removal in SBBR include simultaneous nitrificationdenitrification and the shortcut nitrificationdenitrification.
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Study on nitrogen removal of livestock wastewater in new-style SBBR

  • Received Date: 28/09/2009
  • Accepted Date: 06/07/2009
Fund Project:

Abstract: The three-phase internal-recycle aerobic biological fluidized bed was applied to treat the livestock wastewater,the removal efficiency and transformation of nitrogen in different modes were researched. At room temperature，the COD, the TN and the dissolved oxygen of influent were kept about 2 000 mg/L，140 mg/L and 2～2.5 mg/L,respectively, the treatment efficiency of an alternative aerobic and anaerobic mode was superior to that of a single aerobic or anaerobic mode.The mode with 3 hours aeration + 1.5 hours anaerobic + 1.5 hours aeration + 1 hour anaerobic had the highest removal rate of TN (about 90%) among the investigated three modes. The main ways for nitrogen removal in SBBR include simultaneous nitrificationdenitrification and the shortcut nitrificationdenitrification.

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