Survival of the Aerobic Denitrifier Pseudomonas stutzeri Strain TR2 during Co-Culture with Activated Sludge under Denitrifying Conditions

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The aerobic denitrifier <I>Pseudomonas stutzeri</I> TR2 (strain TR2) has the potential to reduce nitrous oxide emissions during the wastewater treatment process. In this application, it is important to find the best competitive survival conditions for strain TR2 in complex ecosystems. To that end, we examined co-cultures of strain TR2 with activated sludge <I>via</I> five passage cultures in a medium derived from treated piggery wastewater that contained a high concentration of ammonium. The results are as follows: (i) The medium supported the proliferation of strain TR2 (<I>P. stutzeri</I> strains) under denitrifying conditions. (ii) Nitrite was a better denitrification substrate than nitrate for TR2 survival. (iii) Strain TR2 also demonstrated strong survival even under aerobic conditions. This suggests that strain TR2 is effectively augmented to the wastewater treatment process, aiding in ammonium-nitrogen removal and reducing nitrous oxide production with a partial nitrification technique in which nitrite accumulates.

収録刊行物

  • Bioscience, biotechnology, and biochemistry

    Bioscience, biotechnology, and biochemistry 76(3), 495-500, 2012-03-23

    公益社団法人 日本農芸化学会

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各種コード

  • NII論文ID(NAID)
    10030750520
  • NII書誌ID(NCID)
    AA10824164
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09168451
  • NDL 記事登録ID
    023553758
  • NDL 請求記号
    Z53-G223
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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