Advances and challenges of mainstream nitrogen removal from municipal wastewater with anammox‐based processes

Anaerobic ammonium oxidation (anammox) is a novel process of deammonification that exhibits superior ecological and economic potential compared to that of traditional heterotrophic processes. Although this process has been successfully implemented in treating high‐strength nitrogen‐contaminated wast...

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Bibliographic Details
Published in:Water environment research 2020-11, Vol.92 (11), p.1899-1909
Main Authors: Ma, Wen‐Jie, Li, Gui‐Feng, Huang, Bao‐Cheng, Jin, Ren‐Cun
Format: Article
Language:English
Subjects:
Ammonium
Ammonium compounds
Anaerobic processes
anammox
Denitrification
Economics
mainstream
Municipal wastewater
Nitrification
Nitrogen
Nitrogen removal
Oxidation
partial denitrification
partial nitrification
Removal
Wastewater pollution
Wastewater treatment
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Summary:Anaerobic ammonium oxidation (anammox) is a novel process of deammonification that exhibits superior ecological and economic potential compared to that of traditional heterotrophic processes. Although this process has been successfully implemented in treating high‐strength nitrogen‐contaminated wastewater, it still faces many challenges in treating mainstream municipal wastewater. This review aims to provide an overview of the status and challenges of mainstream anammox‐based processes. The different configurations and crucial factors are discussed in this review. Finally, the future needs for feasible application are stated. Practitioner points Factors restricting mainstream application of anammox‐based processes are reviewed. Control strategies for selecting and maintaining anammox bacteria are discussed. Recent advances in nitrite production via partial nitrification or denitrification are summarized. Future needs for the feasible application of anammox‐based nitrogen removal technology for mainstream municipal wastewater treatment are outlined. Challenges and perspective of anammox‐based process.
ISSN:1061-4303
1554-7531
DOI:10.1002/wer.1342