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Author:

Yang, Q. (Yang, Q..) | Wang, S. (Wang, S..) | Yang, A. (Yang, A..) | Guo, J. (Guo, J..) (Scholars:郭瑾) | Bo, F. (Bo, F..)

Indexed by:

Scopus

Abstract:

Since eutrophication has become increasingly severe in China, nitrogen and phosphorous have been the concern of wastewater treatment, especially nitrogen removal. The stabilization of the intelligent control system and nitrogen removal efficiency were investigated in a pilot-scale aerobic-anoxic sequencing batch reactor (SBR) with a treatment capacity of 60 m3/d. Characteristic points on the profiles of dissolved oxygen (DO), pH, and oxidation reduction potential (ORP) could exactly reflect the process of nitrification and denitrification. Using the intelligent control system not only could save energy, but also could achieve advanced nitrogen removal. Applying the control strategy water quality of the effluent could stably meet the national first discharge standard during experiment of 10 months. Even at low temperature (t = 13°C), chemical oxygen demand (COD) and total nitrogen (TN) in the effluent were under 50 and 5 mg/L, respectively. © Higher Education Press 2007.

Keyword:

Advanced nitrogen removal; Intelligent control; Sequencing batch reactor (SBR); Three layer network

Author Community:

  • [ 1 ] [Yang, Q.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China
  • [ 2 ] [Wang, S.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China
  • [ 3 ] [Yang, A.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China
  • [ 4 ] [Guo, J.]School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
  • [ 5 ] [Bo, F.]Beijing Wanweiboda Automatic Control Limited Company, Beijing 102600, China

Reprint Author's Address:

  • [Wang, S.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China

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Source :

Frontiers of Environmental Science and Engineering in China

ISSN: 1673-7415

Year: 2007

Issue: 1

Volume: 1

Page: 33-38

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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