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Advanced nitrogen removal using pilot-scale SBR with intelligent control system built on three layer network

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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.

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Authors and Affiliations

  1. Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing, 100022, China

    Yang Qing, Wang Shuying & Yang Anming

  2. School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, China

    Guo Jianhua

  3. Beijing Wanweiboda Automatic Control Limited Company, Beijing, 102600, China

    Bo Fengyang

Authors
  1. Yang Qing
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  2. Wang Shuying
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  3. Yang Anming
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  4. Guo Jianhua
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  5. Bo Fengyang
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Corresponding author

Correspondence to Wang Shuying.

Additional information

Translated from Acta Scientise Circumstantiae, 2006, 26(5): 745–750 [译自: 环境科学学报]

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Yang, Q., Wang, S., Yang, A. et al. Advanced nitrogen removal using pilot-scale SBR with intelligent control system built on three layer network. Front.Environ.Sci.Eng.China 1, 33–38 (2007). https://doi.org/10.1007/s11783-007-0006-4

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  • DOI: https://doi.org/10.1007/s11783-007-0006-4

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