Decolorization of Anthraquinonic Dyes from Textile Effluent Using Horseradish Peroxidase: Optimization and Kinetic Study

Figure 3

(a) Time course of decolorization of AB 225 and (b) AV 109 dyes at different initial enzyme concentration. (c) The influence of the initial enzyme concentration on the decolorization percentage for AB 225 and (d) AV 109. Reaction conditions for AB 225: treatment time 32 minutes, dye concentration 30 mg/L, hydrogen peroxide concentration 1 mM, pH 5.25, temperature 24°C, and for AV 109: treatment time 15 minutes, dye concentration 30 mg/L, hydrogen peroxide concentration 2 mM, temperature 24°C, pH 5.5. Each value represents the average of three experiments.

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