New Method for Removal of Organic Dyes Using Supported Iron Oxide as a Catalyst

Table 7

Composition of series 1 samples with its catalytic activity.

Key	Composition	Precursor for salt	Time for complete decomposition	Weight percent (%)
				Fe2O3	CeO2	TiO2	γ-AL2O3
1a	Fe2O3-CeO2---Al2O3	Fe(NO3)3	20 min	3.3	0.61	12.07	83.98
1b		(NH4)4Ce(SO4)4	5 min	14.6	0.53	10.66	74.18
1c		TiCl4	3 min	25.7	0.46	9.28	64.54
1d		Al(HO)3	2 min	33.99	0.41	8.25	57.39