Stimulation of microbial para-dechlorination of polychlorinated biphenyls

A method for stimulating microbial dechlorination of the unflanked para-chlorine substituent of PCBs having one or two unflanked para-chlorine substituents in an active PCB-contaminated sediment having a population of microorganisms capable of para-dechlorinating PCBs involves incubation of the sedi...

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Bibliographische Detailangaben
Hauptverfasser:	BEDARD, DONNA L, SMULLEN, LYNN A
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS CHEMISTRY DISPOSAL OF SOLID WASTE ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL SPIRITS TRANSPORTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	A method for stimulating microbial dechlorination of the unflanked para-chlorine substituent of PCBs having one or two unflanked para-chlorine substituents in an active PCB-contaminated sediment having a population of microorganisms capable of para-dechlorinating PCBs involves incubation of the sediment with a fluorochlorobiphenyl compound such as 2,6-difluoro-4-chlorobiphenyl that has a para-chlorine at position 4, hydrogens on positions 3 and 5, and fluorines on positions 2 and 6, for a time and under conditions sufficient to decrease the levels of PCBs containing unflanked para-chlorines.