Decolorization of textile dye CI Basic Yellow 28 with electrochemically generated active chlorine
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Reaction of the indirect electrochemical decolorization of cationic textile dye CI Basic Yellow 28 with electrochemically generated "active chlorine" has been studied, using UV-Vis spectrophotometry, ion chromatography, organic carbon analysis, and cyclic voltammetry. Decolorization has been investigated on Ti/PtOx anode for different currents in the range of 50-200 mA, sodium chloride concentration in the range from 5 to 25 g dm(-3), and dye concentration from 10 to 70 mg dm(-3). The optimum electrolysis conditions and possible active species have been suggested.
Keywords:Basic Yellow 28 / Decolorization / Electrolysis / Hypochlorite / Hypochlorous acid
Source:Chemical Engineering Journal, 2012, 204, 151-157
- Elsevier Science Sa, Lausanne