Reductive dehalogenation of bromoform in aqueous solution. | Zendy

Eric A. Betterton | Zendy; Robert G. Arnold | Zendy; Ronald J. Kuhler | Zendy; Gregory A. Santo | Zendy

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Reductive dehalogenation of bromoform in aqueous solution.

Author(s) -

Eric A. Betterton,

Robert G. Arnold,

Ronald J. Kuhler,

Gregory A. Santo

Publication year - 1995

Publication title -

environmental health perspectives

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.257

H-Index - 282

eISSN - 1552-9924

pISSN - 0091-6765

DOI - 10.1289/ehp.95103s489

Subject(s) - bromoform , aqueous solution , chemistry , inorganic chemistry , halogenation , methane , acetone , photodissociation , bromine , propionitrile , catalysis , carbon tetrachloride , reductive dechlorination , photochemistry , organic chemistry , acetonitrile , chloroform , biodegradation

The hybrid semiconducter-macrocycle catalyst TiO2-cobalt phthalocyanine promotes the solar photolysis of aqueous bromoform under anaerobic conditions. The major decomposition products are dibromoethane and HBr. Bromomethane and methane were produced only after prolonged photolysis (30 hr). Acetone, derived from added 2-propanol, was the only observed oxidation product. Preliminary experiments showed that electrolytic reduction of aqueous carbon tetrachloride at a vitamin B12-modified silver electrode produced the expected lower homologues but with surprisingly high yields of methane.

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