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The Summary of Nitritation Process in Mainstream Wastewater Treatment

Author

Listed:
  • Hongjun Zhao

    (School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China)

  • Yan Guo

    (School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
    Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, Beijing 100083, China)

  • Qunhui Wang

    (School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
    Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, Beijing 100083, China)

  • Ze Zhang

    (School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China)

  • Chuanfu Wu

    (School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
    Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, Beijing 100083, China)

  • Ming Gao

    (School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
    Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, Beijing 100083, China)

  • Feng Liu

    (TUS-Environmental Science and Technology Development Corporation, Ltd., Beijing 100084, China)

Abstract

The application of the mainstream partial nitritation/anammox (PN/A) process is promising due to the huge cost reduction compared to traditional biological nitrogen removal. However, the nitrite production rate (NPR) of a biological nitritation pre-treatment process is relatively lower than the nitrite consumption rate in a pure anammox reactor with a high nitrogen loading rate (NLR). Thus, the NPR is the rate-limiting step for operating the PN/A process with a higher NLR. Various studies have attempted to improve mainstream NPR. A comprehensive review of these processes is needed for the actual application of the PN/A process. This study focuses on: (1) various nitrite production processes that have emerged in recent years; (2) the main microbial species and characteristics involved in biological nitritation; (3) the existing problems and the N 2 O emission problem of these processes; and (4) a proposed novel and promising PN/A process facilitated with photocatalyst oxidation. This review is expected to provide references and a basis for the research on the nitritation step of the application of the mainstream PN/A process.

Suggested Citation

  • Hongjun Zhao & Yan Guo & Qunhui Wang & Ze Zhang & Chuanfu Wu & Ming Gao & Feng Liu, 2022. "The Summary of Nitritation Process in Mainstream Wastewater Treatment," Sustainability, MDPI, vol. 14(24), pages 1-20, December.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:24:p:16453-:d:997815
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    References listed on IDEAS

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    1. Marc Strous & Eric Pelletier & Sophie Mangenot & Thomas Rattei & Angelika Lehner & Michael W. Taylor & Matthias Horn & Holger Daims & Delphine Bartol-Mavel & Patrick Wincker & Valérie Barbe & Nuria Fo, 2006. "Deciphering the evolution and metabolism of an anammox bacterium from a community genome," Nature, Nature, vol. 440(7085), pages 790-794, April.
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    Cited by:

    1. Wen Dai & Zhenpeng Han & Yongze Lu & Shuping Li & Gangyin Yan & Guangcan Zhu, 2023. "Influence of Low Air Pressure on the Partial Denitrification-Anammox (PD/A) Process," Sustainability, MDPI, vol. 15(13), pages 1-14, June.
    2. Lifang Liu & Meiling Hu & Cong Wang & Weikang Qi & Yongzhen Peng, 2023. "Enrichment of Anammox Bacteria Using Anammox Sludge as a Primer Combined with Ordinary Activated Sludge," Sustainability, MDPI, vol. 15(16), pages 1-15, August.

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