Nitrogen Removal Characteristics of Aerobic Denitrifying Bacteria and Their Applications in Nitrogen Oxides Emission Mitigation

  • Maosheng¬†Zheng

Part of the Springer Theses book series (Springer Theses)

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About this book


This book systematically investigates the nitrogen removal characteristics of two screened aerobic denitrifying bacteria and their applications in nitrogen oxides emissions reduction. It reveals that Pseudomonas stutzeri PCN-1 possesses excellent capacity for aerobic nitrogen removal, regardless of whether nitrate, nitrite or N2O were taken as denitrification substrates. It also demonstrates that the rapid N2O reduction is due to the coordinate expression of denitrification genes. Further, the book discusses the bioaugmentation experiments conducted in denitrifying SBR and a pilot-scale Carrousel oxidation ditch, which confirmed that the strain could significantly enhance denitrification performance, reduce N2O emission and improve system stability. The second strain, P.aeruginosa PCN-2 accumulated negligible NO during aerobic nitrate and nitrite removal and efficiently removed NO from flue gas. This study is of great significance for potential applications of aerobic denitrification in mitigating nitrogen oxides emissions from biological nitrogen removal systems.


Aerobic denitrification Nitrogen removal Nitrogen oxides Nitrous oxide Emission mitigation Bioaugmentation

Authors and affiliations

  • Maosheng¬†Zheng
    • 1
  1. 1.College of Environmental Science and Engineering, MOE Key Laboratory of Resources and Environmental Systems OptimizationNorth China Electric Power UniversityBeijingChina

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