Titanium Dioxide Supported on Different Porous Materials as Photocatalyst for the Degradation of Methyl Green in Wastewaters

Table 2

Degradation reaction rate constants by UV irradiation photocatalytic oxidation of MG dye over TiO₂/AC, TiO₂/NC, and TiO₂ (P25).

Initial concentration (mg/L)	TiO2/AC		TiO2/NC		TiO2 (P25)
	25	0,0458	0,9942	0,0306	0,9945	0,0214	0,9944
50	0,0384	0,994	0,0239	0,9898	0,0195	0,9917
75	0,0303	0,987	0,0187	0,9941	0,0146	0,9828
100	0,0253	0,9934	0,0139	0,9915	0,0091	0,9904
150	0,0133	0,9883	0,0106	0,9869	0,0043	0,9564

: estimated rate constant; : correlation factor.