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Volume 38 Issue 3
Jun.  2020
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Article Navigation >  ENVIRONMENTAL ENGINEERING  > 2020  >  38(3): 63-68,167
PAN Jia-cheng, MIU Xin-nian, CHENG Cheng, SONG Jia-jun, LIU Wen-ru, SHEN Yao-liang. FEASIBILITY OF PHOSPHORUS REMOVAL BY DENITRIFYING BY ABR PHASE SEPARATION AND MBR COUPLING PROCESS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(3): 63-68,167. doi: 10.13205/j.hjgc.202003011
Citation: PAN Jia-cheng, MIU Xin-nian, CHENG Cheng, SONG Jia-jun, LIU Wen-ru, SHEN Yao-liang. FEASIBILITY OF PHOSPHORUS REMOVAL BY DENITRIFYING BY ABR PHASE SEPARATION AND MBR COUPLING PROCESS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(3): 63-68,167. doi: 10.13205/j.hjgc.202003011
shu

FEASIBILITY OF PHOSPHORUS REMOVAL BY DENITRIFYING BY ABR PHASE SEPARATION AND MBR COUPLING PROCESS

doi: 10.13205/j.hjgc.202003011

  • 1. School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;

  • 2. Jiangsu Collaborative Innovation Center of Water Treatment Technology and Material, Suzhou 215009, China;

  • 3. Key Laboratory of Environmental Science and Engineering of Jiangsu Province, Suzhou 215009, China

  • Received Date: 2019-07-01
    Abstract
  • The ABR-MBR coupling process was used to investigate the performance of carbon removal and denitrifying phosphorus removal in the process, under the stable operating conditions and their influencing factors. The mechanism of phosphorus removal under the operating conditions of the coupling process was also analyzed, in aerobic condition. The results showed that the removal rate of COD, TN and phosphate could reach 90%, 70% and 67% respectively with the influent loading rate of 0.9 kg/(m3·d) and the reflux ratio of 200%. The efficiency of denitrifying phosphorus removal first increased and then decreased along with the increasing reflux ratio. With the increase of influent loading rates, the nitrite accumulation was observed in the ABR and affected the performance of denitrifying phosphorus removal. The granular sludge in the ABR also enhanced the phosphorus removal.
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