Figure 8.

(a) Photodegradation of the different dyes on N-ZnO and (b) the kinetic curves. The reaction conditions: dosage catalyst 0.5 g/L, dye concentration of 20 mg/L, and pH = 6.0.

(a) Photodegradation of the different dyes on N-ZnO and (b) the kinetic curves. The reaction conditions: dosage catalyst 0.5 g/L, dye concentration of 20 mg/L, and pH = 6.0.