土壌より分離したPCE分解混合微生物系の継代培養とその諸性質 Subcultivation and Characterization of PCE-degrading Mixed Culture Isolated from Soil

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A tetrachloroethylene (PCE)-degrading mixed culture was obtained from the drainage sediment of a dry-cleaning factory in where PCE was used. Although the mixed culture was unable to be subcultured with keeping PCE degradation activity, the addition of autoclaved or heated soils at 200°C and 600°C into subculture medium was effective to maintain PCE degradation activity. That effect was observed in all heated soil samples used in this study and zeolite, but lost in acid-treated samples. Therefore, the factor effective to maintain PCE degradation activity was supposed to be metals in the soil samples or "habitat" in soils and zeolite for PCE-degrading bacteria. That mixed culture could dechlorinate PCE to cis-1, 2-DCE via trichloroethylene (TCE), and degrade TCE and carbon tetrachloride, but not trichloroethane, chloroform and dichloromethane. The PCE degradation activity was optimized at about pH7 and 30°C.

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), 139-144, 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)
    10004451732
  • 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
    4654531
  • 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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