Figure 7.

Photodegradation of caffeine in as-prepared samples and (b) the kinetic curves. The reaction conditions: dosage catalyst 0.5 g/L, CAF concentration of 20 mg/L, and pH = 6.0.

Photodegradation of caffeine in as-prepared samples and (b) the kinetic curves. The reaction conditions: dosage catalyst 0.5 g/L, CAF concentration of 20 mg/L, and pH = 6.0.