Removal of Hazardous Pollutants from Wastewaters: Applications of TiO₂-SiO₂ Mixed Oxide Materials

Figure 16

Pore size distribution of TiO₂-SiO₂ xerogel materials: (a) pure titania (X-Ti-01) and pure silica (X-Si-06) and (b) TiO₂-SiO₂ mixed oxides with Ti/Si ratio of 1 : 1 (X-Ti-02), 1 : 2 (X-Ti-03), 1 : 3 (X-Ti-04), and 1 : 4 (X-Ti-05) prepared in ethanol-toluene solvent system (reprinted with permission from [86]).

(a)

(b)