Visible Light Photocatalytic Activity of CeO₂-ZnO-TiO₂ Composites for the Degradation of Rhodamine B

Table 2

Rate constant for the degradation of RhB.

Catalyst	Rate (min^−1)	Amount of CZT-A-1 (mg)	Rate (min^−1)	Dye Conc. (ppm)	Rate (min^−1)	Amount of H2O2 (mmol)	Rate (min^−1)
CZT-A-1	0.0082	5	0.0031	5	0.0082	5	0.0029
CZT-A-2	9.865×10^−4	10	0.0082	10	0.0012	10	0.0082
CZT-B-1	0.0019	15	0.0027	15	9.83×10^−4	15	0.0031
CZT-B-2	0.0020	20	0.0024	20	3.87×10^−4	20	0.0021
		25	0.0027			25	0.0026