Figure 10

The influence of different parameters on the PhP degradation in the O3 + PTL/Ar system (a) ozone concentration ([PhP]0 = 30 mg/L, catalyst dosage = 0.75 g/L, pH0 = 6.7), (b) initial solution pH ([PhP]0 = 30 mg/L, [O3]0 = 11 mg/L, catalyst dosage = 0.75 g/L), (c) catalyst dosage ([PhP]0 = 30 mg/L, [O3]0 = 11 mg/L, pH0 = 6.7), (d) initial PhP concentration ([O3]0 = 11 mg/L, catalyst dosage = 0.75 g/L, pH0 = 6.7).