The electrochemical character during the decolorization processes of azo dyes by a Halomonas sp. GYW

摘要

This work was conducted to study the changing characteristics of the oxidation-reduction potentials (ORP) during the processes of the biological decolorization of azo dyes, knowledge of which would be useful for prediction of the decolorization capacity of oxidative and reductive biocatalysts. Reduction of these azo dyes did not occur under aeration conditions, and azo dyes were reduced by microorganisms only when the Oxidation-Reduction Potential (ORP) values decreased the certain limits (收起