Photocatalytic oxidation of VOC compounds in water and air is a potential technology of pollution abatement. TiO2 supported on SiO2 surface is effective on the recovery of photocatalyst, morphological control, and coating on the substrate. A discussion covers the predominant characteristics of silica supports; effects of titanium precursor; TiO2 supported on mesoporous silica; and TiO2-SiO2 photocatalyst and its photocatalytic reactions (reactants include benzene, phenol, ethylene, acetaldehyde, and 1-octanol).
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This work was supported by Ministry of Science and Technology of Korea through the National Research Laboratory Program.
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