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Author:

Gu Sheng-Bo (Gu Sheng-Bo.) | Wang Shu-Ying (Wang Shu-Ying.) (Scholars:王淑莹) | Peng Yong-Zhen (Peng Yong-Zhen.) (Scholars:彭永臻)

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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 degrees 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 degrees C, and NAR was maintained above 95%. Meanwhile, the total nitrogen (TN) in effluent was 3 mg x 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.

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Author Community:

  • [ 1 ] [Gu Sheng-Bo]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. gushengbo@bmedi.cn

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Source :

Huanjing kexue

ISSN: 0250-3301

Year: 2013

Issue: 8

Volume: 34

Page: 3164-70

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: 8

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