Anaerobic Biodegradation of PCP in Japanese Paddy Soils

Kim, Hyo-Keun;Inoue, Yasushi;Handa, Yuko;Yasuta, Tsuyoshi;Lee, Kyu-Seung;Katayama, Arata

  • 발행 : 2004.09.30


Seven soil samples were collected from paddy fields located nearby Nagoya city in Japan. All the soils were subjected to flooded condition and incubated with PCP at $30^{\circ}C$ for two months, and their anaerobic PCP degradation have been monitored by checking the PCP concentration of the soils at regular intervals. The degradation of PCP did not occur in the soils autoclaved two times before pre-incubation. On the other hand, all the soils showed significant PCP degradation in non-sterilized condition after 30 days of incubation, except far one soil sample (Yatomi), in which PCP was rarely degraded until 30 days of incubation. This result showed PCP disappearance in the pad(rf soils was mainly caused by microbiological activity, and depended upon the physicochemical characteristics of the soils.


degradation;anaerobic;pentachlorophenol (PCP);microbiological activity


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