A chemical-biological process for dehalogenation of...

C - Chemistry – Metallurgy – 12 – P

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C12P 1/04 (2006.01) C12S 99/00 (2010.01) B09C 1/10 (2006.01) C02F 3/34 (2006.01)

Patent

CA 2162845

The invention relates to a method for the dehalogenation of organohalogen compounds commonly found as pollutants in soil and ground water. The instant method utilizes anaerobic bacteria comprising an extracellular electron transfer protein coupled with a tetrapyrrole catalyst to effect the reductive dehalogenation of halogenated organics. Optionally, an electron transport mediator may be used to enhance the rate of dehalogenation.

Procédé de déshalogénation de composés organohalogénés que l'on trouve communément comme polluants dans la terre et dans les nappes phréatiques. Selon le procédé, on utilise des bactéries anaérobies comportant une protéine extracellulaire de transfert d'électrons couplée à un catalyseur tétrapyrrolique afin de procéder à la déshalogénation réductrice des composés organiques halogénés. On peut éventuellement utiliser un agent de transport d'électrons pour accélérer la déshalogénation.

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