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Author:

Gu, S.-B. (Gu, S.-B..) | Wang, S.-Y. (Wang, S.-Y..) (Scholars:王淑莹) | Peng, Y.-Z. (Peng, Y.-Z..) (Scholars:彭永臻)

Indexed by:

Scopus PKU CSCD

Abstract:

In order to test the start-up and maintain method for short-cut advanced nitrogen removal process at low temperature, this study used a pilot-scale SBR process with a working volume of 7.0 m3 to treat domestic wastewater. Real-time control strategy based on blower frequency (BF) and pH was applied to control the pilot-scale SBR process. Results showed that short-cut nitrification process achieved within 50 days at low temperature (11-16°C), and the nitrite accumulation rate (NAR) of SBR process increased from 19.8% to 90%. Short-cut nitrification process in pilot-scale SBR was maintained for as long as 550 days in the temperature range of 9-28°C, and NAR was maintained above 95%. Meanwhile, the total nitrogen (TN) in effluent was 3 mg · L-1 and the TN removal efficiency was above 95%. Therefore, it is feasible to start-up and maintain the short-cut advanced nitrogen removal process under low temperature condition in the SBR process.

Keyword:

Long term maintenance; Pilot-scale SBR; Real-time control; Short-cut nitrification process; Start-up at low temperature

Author Community:

  • [ 1 ] [Gu, S.-B.]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Gu, S.-B.]Beijing General Municipal Engineering Design and Research Institute, Beijing 100082, China
  • [ 3 ] [Wang, S.-Y.]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Peng, Y.-Z.]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

Reprint Author's Address:

  • [Gu, S.-B.]Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

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Source :

Environmental Science

ISSN: 0250-3301

Year: 2013

Issue: 8

Volume: 34

Page: 3164-3170

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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