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

Figure 4

The decolorization percentage as a function of H₂O₂ concentration (a) and dye concentration (b). Reaction conditions for AB 225: reaction time 32 minutes, enzyme concentration 0.15 IU/mL, pH 5.25, and temperature 24°C; for AV 109: reaction time 15 minutes, enzyme concentration 0.15 IU/mL, pH 5.5, and temperature 24°C.

(a)

(b)