Electrochemical Removal of the Hazardous Dye Reactofix Red 3 BFN from Industrial Effluents

Overview

Journal J Colloid Interface Sci

Specialty Chemistry

Date 2007 May 15

PMID 17499265

Citations 52

Authors

Vinod Kumar Gupta

Rajeev Jain

Shaily Varshney

Affiliations

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Abstract

The electrochemical treatment of dyestuff from aqueous solution using an iron cell was achieved with reduction in chemical oxygen demand (COD) and color with high efficiency. Degradation of the azo dye Reactofix Red 3 BFN was carried out under different experimental conditions. Electrolysis completely decolorizes the effluent with substantial reduction in COD value. The rate kinetics during electrolysis was found to be first order. Results show that electrochemical reduction is a superior technology for treatment of dyes, as there is no simultaneous addition of anions, such as sulfate or chloride.

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