Relative resistance of positional isomers of polychlorinated biphenyls toward reductive dechlorination by zerovalent iron in subcritical water

Article Abstract:

Researchers from the University of Idaho investigated the relative resistance of positional isomers of polychlorinated biphenyls toward reductive dechlorination by zerovalent iron and pressurized hot water.

Author: Yak, Hwa K., Lang, Qingyong, Wai, Chien M.
Chemical industry, University of Idaho

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The absence and application of stable carbon isotopic fractionation during the reductive dechlorination of polychlorinated biphenyls

Article Abstract:

A bacterial culture (known to reduce PCBs) is subjected to 2,3,4,5-tetrachlorobiphenyl, and the resulting 2,3,5-trichlorobiphenyl is measured for stable carbon isotopic fractionation. The noted absence of byproducts is graphed.

Author: Wu, Qingzhong, Sowers, Kevin R., May, Harold D., Drenzek, Nicholas J., Eglinton, Timothy I., Wirsen, Carl O., Reddy, Christopher M.
Statistical Data Included

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Priming microbial meta-dechlorination of polychlorinated biphenyls that have persisted in Housatonic River sediments for decades

Article Abstract:

Several polychlorinated biphenyl (PCB) cogeners are capable of stimulating indigenous microbial populations in sediment to dechlorinate PCB. The use of 2,3,4,5,6-pentachlorobiphenl (23456-CB), 236-CB and 2346-CB resulted in a narrow meta-dechlorination specificity. Additionally, it was already known that para-dechlorination could be stimulated in the microbial population by PCB cogeners.

Author: Van Dort, Heidi M., Bedard, Donna L., May, Ralph J., Smullen, Lynn A.

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Subjects list: Research, United States, Polychlorinated biphenyls, Bioremediation
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