Biotechnology and Bioprocess Engineering:BBE

  • 제9권3호
  • /
  • Pages.151-155
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  • 2004
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  • 1226-8372(pISSN)
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  • 1976-3816(eISSN)
한국생물공학회 (The Korean Society for Biotechnology and Bioengineering)
권호 표지

Bioremediation of Phenolic Compounds Having Endocrine-disrupting Activity Using Ozone Oxidation and Activated Sludge Treatment

  • Nakamura, Yoshitoshi (Department of Chemistry and Chemical Engineering, Faculty of Engineering, Kanazawa University) ;
  • Daidai, Masakazu (Department of Chemistry and Chemical Engineering, Faculty of Engineering, Kanazawa University) ;
  • Kobayashi, Fumihisa (Department of Chemistry and Chemical Engineering, Faculty of Engineering, Kanazawa University)
  • 발행 : 2004.06.01
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초록

The bioremediation of water system contaminated with phenolic compounds having endocrine-disrupting activity, i.e. 2,4-dichlorophenol, 2,4-dichlorophenoxy acetic acid (2,4-D), and 2,4,5-trichlorophenoxy acetic acid (2,4,5-T), was investigated by using ozone oxidation and activated sludge treatment. Ozone oxidation (ozonation time: 30 min) followed by activated sludge treatment (incubation time: 5 days) was an efficient treatment method for the conversion of phenolic compounds in water into carbon dioxide and decreased the value of total organic carbon (TOC) up to about 10% of initial value. Furthermore, 2,4-D was dissolved in water containing salt, i.e. artificial seawater (ASW), and this water was used as model coastal water contaminated with phenolic compounds. The activated sludge treatment (incubation time: 5 days) could consume significantly organic acids produced from 2,4-D in the model costal water by the ozone oxidation (ozonation time: 30min) and decrease the value of TOC up to about 35% of initial value.

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참고문헌

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