The Comparison of Photocatalytic Degradation and Decolorization Processes of Dyeing Effluents

Table 2

The concentrations of reagents used and experimental conditions.

Effluent	FeCl3; (mmol L^−1)	TiO2; (g L^−1)	pH^a	Concentration of Fe(III) in irradiated effluent^a; (mmol L^−1)
	1.0	—	3.3	n.d.^b
WPac	—	2.5	4.4	—
	1.0	2.5	3.6	n.d.^b
	—	—	3.1	0.02
WLeat	—	2.5	7.0	—
	1.5	2.5	3.4	0.04
	1.5	—	3.2	0.30
WFlax	—	2.5	6.3	—
	1.5	2.5	3.2	0.30
	13	—	3.0	2.80
WCot	—	2.5	8.8	—
	13	2.5	2.8	1.82

^aAt the beginning of UV-a irradiation, ^bno data.