Comparison of reactors for oxygen-sensitive reactions: reductive dechlorination of chlorophenols by vitamin b(12s).

Regiospecificity of chlorophenol reductive dechlorination by vitamin b(12s).

Vitamin B(12), reduced by titanium (III) citrate to vitamin B(12s), catalyzes the reductive dechlorination of chlorophenols. Reductive dechlorination of pentachlorophenol and of all tetrachlorophenol and trichlorophenol isomers was observed. Reaction of various chlorophenols with vitamin B(12) favored reductive dechlorination at positions adjacent to another chlorinated carbon, but chlorines or...

AN ABSTRACT OF THE THESIS OF Darin James Trobaugh for the degree of Master of Science in Civil Engineering presented on July 1, 1998. Title: Reductive Dechlorination of Sediment-Sorbed Polychlorinated Biphenyls by Vitamin B12s. Abstract approved.:---

approved.:--Sandra L. Woods The reductive dechlorination of chlorobiphenyls in sediment by titanium(III) citrate-reduced vitamin Bus was studied in batch reactors. Long term ampoule studies demonstrated reductive dechlorination of sediment-sorbed 2,3,4,5,6-pentachlorobiphenyl (2,3,4,5,6-PeCB) to tetra-, tri-, di-, and monochlorobiphenyl products. Over 50% chlorine removal was observed over 160 ...

Isolation and characterization of Desulfovibrio dechloracetivorans sp. nov., a marine dechlorinating bacterium growing by coupling the oxidation of acetate to the reductive dechlorination of 2-chlorophenol.

Strain SF3, a gram-negative, anaerobic, motile, short curved rod that grows by coupling the reductive dechlorination of 2-chlorophenol (2-CP) to the oxidation of acetate, was isolated from San Francisco Bay sediment. Strain SF3 grew at concentrations of NaCl ranging from 0.16 to 2.5%, but concentrations of KCl above 0. 32% inhibited growth. The isolate used acetate, fumarate, lactate, propionat...

Comments on "Comparison of reductive dechlorination of p-chlorophenol using Fe(0) and nanosized Fe(0)" by R. Cheng, et al. [J. Hazard. Mater. 144 (2007) 334].

A process for the purification of organochlorine contaminated activated carbon : sequential 1 solvent purging and

10 A system for the purification of organochlorine contaminated activated carbon is described. The 11 system involves a continuous flow of aqueous ethanol to purge organochlorines from activated 12 carbon. The organochlorine laden solvent is simultaneously treated with zero valent zinc as the 13 bulk electron source, water as the proton source and the electron shuttle cyanocobalamin as a 14 cat...