Influencing Parameters in the Photocatalytic Degradation of Organic Effluent via Nanometal Oxide Catalyst: A Review

Table 2

Comparison of photocatalytic activity of TiO₂ with different noble metal doping.

Doping and optimum doping concentration (wt %)	Light source	Catalyst preparation method	Catalyst used	Organic pollutant	Irradiation time (min)	Degradation efficiency (%)	Reference
1.5	UV radiation	Photochemical reduction	Pt doped TiO2	Methyl orange	90	98	[14]
3	UV radiation	Photo reduction	Ag doped TiO2	Direct red 23	120	97	[50]
0.8	UV radiation	Impregnation	Au doped TiO2	Acid green 16	60	98	[51]