Photocatalytic Degradation of Nitro and Chlorophenols Using Doped and Undoped Titanium Dioxide Nanoparticles

Table 3

Reaction Constants of photocatalytic process with TiO₂ and Ag-TiO₂ for phenolic compounds.

Nanoparticles	Compounds	𝐾^′(min^-1) × 10^-2a
Pure TiO2	p-nitrophenol	2.4
Ag-TiO2	p-nitrophenol	6.6
Ag-TiO2	2,4-dichlorophenol	7.7
Ag-TiO2	2,5-dichlorophenol	6.2
Ag-TiO2	2,4,6-trichlorophenol	3.6

aApparent first-order reaction Constants (𝑘^′).