Figure 9
(a) Photocatalytic degradation of methylene blue on the spent FCC catalyst, V/FCC, Ti/FCC, V-Ti/FCC and V-Ti-2/FCC samples, respectively (C0 = 10 mg/L, catalyst concentration = 1.0 g/L). (b) Methylene blue degradation performance in four cycles for the V-Ti-2/FCC.
