Applications of Titanium Dioxide Photocatalysis to by Yoshihiko Ohama, Dionys Van Gemert

By Yoshihiko Ohama, Dionys Van Gemert

Titanium dioxide photocatalysis relies at the semiconducting nature of its anatase crystal kind. development fabrics with titanium photocatalyst convey performances of air purification, self-cleaning, water purification, antibacterial motion.

This e-book describes rules of titanium dioxide photocatalysis, its functions to cementitious and noncementitious fabrics, in addition to an summary of standardization of checking out methods.

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Extra resources for Applications of Titanium Dioxide Photocatalysis to Construction Materials: State-of-the-Art Report of the RILEM Technical Committee 194-TDP

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RILEM Publications, Bagneux, pp 131–143 12. De Muynck W, Maury A, De Belie N, De Bock J, Verstraete W (2008) Evaluation of antifouling strategies on aerated concrete by means of an accelerated algal growth test. ) Proceedings of the 2nd international conference on concrete repair, rehabilitation and retrofitting (ICCRRR), Cape Town. CRC Press, Boca Raton, Nov 2008, pp 131–132, in abstract book; 253–259 on CD-ROM. ISBN: 978-0-415-46850-3 Y. Ohama and D. 1007/978-94-007-1297-3, © RILEM 2011 45 46 References 13.

Jp Y. Ohama and D. 1007/978-94-007-1297-3_4, © RILEM 2011 17 18 Y. 2 How to Form Photocatalyst Films on Surfaces of Construction Materials To apply these photocatalytic properties of TiO2 to the products, several different techniques are needed in order to form TiO2 thin films on the substrates. These techniques may vary considerably depending on the substrates, for example, tile, glass or plastics. Therefore, photocatalytic coating agents applicable to various materials are needed, and indeed are being developed.

3 Long-Term NOx Removal Performance The photocatalytic interlocking blocks were set up outdoors. Sets of two blocks were collected regularly. The long-term NOx removal performance was measured using a ventilation type-measuring apparatus. 5 [34]. Afterwards, NOx removal performance is almost constant at 2 mmol/m2/12 h. The main causes of the reduced NOx removal performance are attributed to the decreased effective NOx adsorption area and the shutout of light due to the adhesion of fine dust and organisms.

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