PERFORMANCE OF AEROBIC GRANULAR SLUDGE MBR PROCESS FOR THE TREATMENT OF SUBSTATION SEWAGE

LIU Ke-cheng; FAN Hui; GAO Yan-ning

doi:10.13205/j.hjgc.202109005

Volume 39 Issue 9

Jan. 2022

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LIU Ke-cheng, FAN Hui, GAO Yan-ning. PERFORMANCE OF AEROBIC GRANULAR SLUDGE MBR PROCESS FOR THE TREATMENT OF SUBSTATION SEWAGE[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 31-36. doi: 10.13205/j.hjgc.202109005

Citation:

LIU Ke-cheng, FAN Hui, GAO Yan-ning. PERFORMANCE OF AEROBIC GRANULAR SLUDGE MBR PROCESS FOR THE TREATMENT OF SUBSTATION SEWAGE[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 31-36. doi: 10.13205/j.hjgc.202109005

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PERFORMANCE OF AEROBIC GRANULAR SLUDGE MBR PROCESS FOR THE TREATMENT OF SUBSTATION SEWAGE

doi: 10.13205/j.hjgc.202109005

1. State Grid Hebei Electric Power Research Institute, Shijiazhuang 050021, China;
2. State Grid Hebei Electric Power Co., Ltd, Shijiazhuang 050000, China

Received Date: 2021-01-18
Available Online: 2022-01-21

Abstract

Abstract

This study compared the membrane fouling behavior and water purification performance of aerobic granular sludge membrane bioreactor (AGMBR) and traditional flocculent sludge membrane bioreactor (MBR) for the treatment of substation sewage. Using substation domestic sewage as the feed water, aerobic granular sludge could be successfully cultivated after 60 days. Compared with traditional flocculent sludge, aerobic granular sludge could effectively slow down membrane fouling, especially irreversible membrane fouling. In AGMBR, the hydraulic backwash frequency was only 33.3% of that in traditional MBR, and the resistance from pore blocking in 30-day continuous operation was only 69.3% of traditional MBR. Further analysis suggested that EPS content in AGMBR reactor was significantly lower than that of traditional MBR, and the content of polysaccharide in EPS was only 46% of the traditional MBR. The comparison result in water purification performance showed that AGMBR had an excellent removal performance for TN and TP, and the average removal rate of 30-day running was 37.8% and 40.5% higher than that of the traditional MBR, respectively.
- aerobic granular sludge,
- membrane bioreactor,
- phosphorus removal,
- membrane fouling,
- substation sewage

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References(20)

References

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