Abstract
Photocatalytic process has been applied to the treatment of air pollutants. It is necessary to enhance the photocatalytic activity of TiO2 and design of photocatalytic system, for the practical application. The practical aspects for the application of TiO2 were discussed. Various species, such as transition metal ion, noble metal, metal oxide, and anion, could modify the surface of TiO2 and improve the photocatalytic activity. Photoelectrocatalytic (PEC) system was very effective for the enhancement of photoactivity by applying a high voltage onto TiO2 surface. It showed better photocatalytic activity for decomposition of various air pollutants and bacteria than TiO2 photocatalysts. To apply the photocatalysts in a real environment, the stable immobilization of the catalyst on various substrates, such as steal plate, membrane, glass fiber, and so on, was very important. Based on these modified and/or immobilized TiO2, photocatalysis has been widely used in air-cleaning systems.
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Shul, YG., Kim, HS., Kim, HJ., Han, MK. (2010). Photocatalytic Application of TiO2 for Air Cleaning. In: Anpo, M., Kamat, P. (eds) Environmentally Benign Photocatalysts. Nanostructure Science and Technology. Springer, New York, NY. https://doi.org/10.1007/978-0-387-48444-0_17
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DOI: https://doi.org/10.1007/978-0-387-48444-0_17
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