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

Table 3

Comparison of photocatalytic activity of different metal doped photocatalyst.

Doping and optimum doping concentration (mol %)	Light source	Catalyst preparation method	Catalyst used	Organic pollutant	Irradiation time	Degradation efficiency (%)	Reference
0.50	UV radiation	FSP technique	Nb-loaded ZnO	Phenol	18.40 min	100	[52]
0.1	UV radiation	Combustion technique	Codoped TiO2	Phenol	45 min	100	[53]
0.02	500 W halogen lamp	Coprecipitation method	Ni-doped ZnS	Methylene blue	120 min	50	[54]
0.036	100 W mercury lamp	Sol-gel method	Codoped TiO2	2-Chlorophenol	180 min	90%	[48]