Abstract
In this research, TiO2 photocatalyst was immobilized on borosilicate glass powder. The immobilization was carried out by mixing the TiO2 and borosilicate powders and then calcined at 600 to 800 °C for 1 h. XRD and SEM analysis showed uniform coating of the TiO2 particles on glass powder surface. The TiO2-coated glass powder showed good photocatalytic activity for methylene blue decomposition. The coated glass powder calcined at 650 °C showed highest activity. The reaction rate constant of the prepared catalyst, TiO2 and TiO2-P25 powders were 0.0111, 0.0341 and 0.0539 min-1, respectively. Photocatalytic activity decreased when the catalysts were re-used as a result of TiO2 particle detachment from the glass powder surface.
