Volume 8 Issue 2
Mar.  2018
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Article Navigation >  Journal of Environmental Engineering Technology  > 2018  >  8(2): 149-154
CHEN Jian, ZHOU Xie, LI Ping, HUANG Wei, GONG Ling, DIAO Xiangwei. Application of sludge micro bulking technology in low-load domestic sewage treatment[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 149-154. doi: 10.3969/j.issn.1674-991X.2018.02.020
Citation: CHEN Jian, ZHOU Xie, LI Ping, HUANG Wei, GONG Ling, DIAO Xiangwei. Application of sludge micro bulking technology in low-load domestic sewage treatment[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 149-154. doi: 10.3969/j.issn.1674-991X.2018.02.020
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Application of sludge micro bulking technology in low-load domestic sewage treatment

doi: 10.3969/j.issn.1674-991X.2018.02.020

  • 1. Ecological and Environmental Monitoring Center of Chongqing, Chongqing 401147, China

  • 2. Ecological and Environmental Monitoring Station of Jiangjin District, Chongqing 402260, China

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  • Corresponding author: Xie ZHOU E-mail: 9577586@qq.com
  • Received Date: 2017-06-21
  • Publish Date: 2018-03-20
    Abstract
  • A town sewage treatment plant in Chongqing was studied, and it was found that the sewage treatment plant sludge index (SVI) was between 262-380 mL/g and at the sludge bulking state. Low dissolved oxygen and low sludge load were the main reasons of sludge bulking in the sewage treatment plant. Micro bulking of activated sludge in a certain extent could not only guarantee the stable discharge of CODCr, ammonia nitrogen, SS, TP and other indicators in the effluent, but also be conducive to the energy saving of the sewage treatment plant.

     

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