透過性支持体を用いた回転円板法による下廃水処理の特性 Wastewater Treatment by Rotating Biological Contractor with Permeable Substratum

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Generally, an impermeable plate has been used as the substratum of rotating biological contractors (RBC). In this study, 'wire nets' are used for the permeable substratum of RBCs. As a result, the following findings were elucidated : (1) The substrate removal rate of the permeable substrata is higher than that of the impermeable ones due to bio-mass existing in the space of the substratum and the increase of bio-film thickness. (2) The stable treatment performances are attained in case of short- and long-term change of loading. (3) After detaching bio-film from the substratum, the substrate removal rate of the permeable substratum is not decreased by reactivating of the remained bio-film. Concluding from the above results, when permeable substratum is used in RBCs and any detachment is occurred on the bio-film, the detachment face retrieves a new bio-film surface. Dominant microorganisms in the deep bio-film can be activated. Then it is predicted that the substrate removal rate increases more than the one in the impermeable substratum.

収録刊行物

  • 水環境学会誌 = Journal of Japan Society on Water Environment  

    水環境学会誌 = Journal of Japan Society on Water Environment 22(2), 133-138, 1999-02-10 

    公益社団法人 日本水環境学会

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各種コード

  • NII論文ID(NAID)
    10004451709
  • NII書誌ID(NCID)
    AN10372439
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09168958
  • NDL 記事登録ID
    4654450
  • NDL 雑誌分類
    ZN5(科学技術--建設工学・建設業--都市工学・衛生工学)
  • NDL 請求記号
    Z16-1045
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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