Figure 7

Effect of (a) irradiation time, (b) pH, (c) catalyst dosage, (d) TC initial concentration, and (e) number of passes through membrane on TC removal from aqueous solutions. Fixed parameters, if applicable, were irradiation time = 90 min, pH = 10, photocatalyst dosage = 0.6 g/L, TC initial concentration = 20 ppm, number of passes through membrane = 4.