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

Table 1

Comparison of photocatalytic activity of nanocatalyst at different initial pollutant concentration.

Light source	Catalyst preparation method	Catalyst used	Organic pollutant	Initial pollutant concentration	Irradiation time (min)	Degradation efficiency (%)	Reference
Solar radiation	Sol-gel method	TiO2	2-Chlorophenol	50 mg/lit	90	100	[47]
				100 mg/lit	120	100
				150 mg/lit	120	100
Solar radiation	Sol-gel method	TiO2	2,4-Dichlorophenol	50 mg/lit	100	100	[47]
				100 mg/lit	120	100
				150 mg/lit	120	100
Solar radiation	Sol-gel method	TiO2	2,4,6-Trichlorophenol	50 mg/lit	120	100	[47]
				100 mg/lit	120	100
				150 mg/lit	120	100
100 W mercury lamp	Sol-gel method	Codoped TiO2	2-Chlorophenol	12.5 ppm	180	100	[48]
				25 ppm		95
				50 ppm		90
				75 ppm		80
UV radiation	P25	TiO2	Victoria blue R	0.5 g/L	720	100	[49]
				1.5 g/L		50
				2.5 g/L		30