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2004•Unpublished venueRequires access

Study on Co -metabolic Biodegradation of Trichloroethylene(TCE)

Hong Sui

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Abstract

Toluene is one of the cosubstrates c a pable of supporting co -metabolism s of trichloroethylene(TCE).We found that effects of initial toluene concentr ation on biodegradation of TCE were o bviou s.When ratios of TCE to toluene concentrations were 1∶23,1∶115and 1 ∶230,respectively,TCE w as degraded by 60%,95.44%and 64.3% ,indicating that TC E exhibited a significant degradation at the middle ratio .In a ddition,oscillations were observed in the biodegradation curves of TCE a nd toluene,and the radio of two chemicals was more near unity,the oscillations was more serious.

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What this paper is about

Toluene is one of the cosubstrates c a pable of supporting co -metabolism s of trichloroethylene(TCE).We found that effects of initial toluene concentr ation on biodegradation of TCE were o bviou s.When ratios of TCE to toluene concentrations were 1∶23,1∶115and 1 ∶230,respectively,TCE w as degraded by 60%,95.44%and 64.3% ,indicating that TC E exhibited a significant degradation at the middle ratio .In a ddition,oscillations were observed in the biodegradation curves of TCE a nd toluene,and the radio of two chemicals was more near unity,the oscillations was more serious.

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Available abstract

Toluene is one of the cosubstrates c a pable of supporting co -metabolism s of trichloroethylene(TCE).We found that effects of initial toluene concentr ation on biodegradation of TCE were o bviou s.When ratios of TCE to toluene concentrations were 1∶23,1∶115and 1 ∶230,respectively,TCE w as degraded by 60%,95.44%and 64.3% ,indicating that TC E exhibited a significant degradation at the middle ratio .In a ddition,oscillations were observed in the biodegradation curves of TCE a nd toluene,and the radio of two chemicals was more near unity,the oscillations was more serious.

Key concepts: Trichloroethylene, Toluene, Biodegradation, Chemistry, Degradation (telecommunications), Environmental chemistry, Cometabolism, Organic chemistry

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