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2009•Unpublished venueRequires access

Study on Degradation Characteristics of the Strain High-Effectively Degrading PCBs

Zhe Zhao, Xiuyan Zhou, Shengguang Zhuo, Lanying Zhang

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Abstract

Polychlorinated biphenyl is a kind of persistent organic pollutants. This experiment screened a halophilic bacterium which could grow at the salinity of 15%, and designated as B2.6. Strain B2.6 could use PCBs as sole carbon and energy source for growth. The optimal conditions of PCBs-degrading were obtained via alteration of pH, inoculation amount and the concentration. The experiment indicated at 30°C when pH is 7 to 8, inoculation amount is 5 mL, the concentration of PCBs is below 3 mg/L, and the ratio of degradation could reach 90%.

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What this paper is about

Polychlorinated biphenyl is a kind of persistent organic pollutants. This experiment screened a halophilic bacterium which could grow at the salinity of 15%, and designated as B2.6. Strain B2.6 could use PCBs as sole carbon and energy source for growth. The optimal conditions of PCBs-degrading were obtained via alteration of pH, inoculation amount and the concentration. The experiment indicated at 30°C when pH is 7 to 8, inoculation amount is 5 mL, the concentration of PCBs is below 3 mg/L, and the ratio of degradation could reach 90%.

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Available abstract

Polychlorinated biphenyl is a kind of persistent organic pollutants. This experiment screened a halophilic bacterium which could grow at the salinity of 15%, and designated as B2.6. Strain B2.6 could use PCBs as sole carbon and energy source for growth. The optimal conditions of PCBs-degrading were obtained via alteration of pH, inoculation amount and the concentration. The experiment indicated at 30°C when pH is 7 to 8, inoculation amount is 5 mL, the concentration of PCBs is below 3 mg/L, and the ratio of degradation could reach 90%.

Key concepts: Degradation (telecommunications), Pollutant, Strain (injury), Halophile, Biphenyl, Salinity, Environmental chemistry, Chemistry

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