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

Table 8

EDAX analysis with surface excess concentration.

Sample	Surface excess concentration
	Fe2O3		CeO2		TiO2		γ-Al2O3
	Theoretical	Actual	Theoretical	Actual	Theoretical	Actual	Theoretical	Actual
1a	3.30	17.58	0.61	0.00	12.07	77.49	83.98	4.93
	432.85		0.00		542.01		−94.13
1b	14.60	42.07	0.53	0.00	10.66	8.25	74.18	49.68
	188.16		0.00		−22.61		−33.03
1c	25.70	40.73	0.46	0.00	9.28	41.89	64.54	17.38
	58.49		0.00		351.43		−73.08
1d	33.99	73.80	0.41	0.00	8.25	13.37	57.39	12.84
	117.11		0.00		62.01		−77.63