Behaviour of self-cleaning glass in urban atmosphere |
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Authors: | A. Chabas,T. Lombardo,H. Cachier,M.H. Pertuisot,K. Oikonomou,R. Falcone,M. Verità ,F. Geotti-Bianchini |
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Affiliation: | 1. Laboratoire Interuniversitaire des Systèmes Atmosphériques, Université Paris 12, Université Paris 7, CNRS, 61 Avenue du Général de Gaulle, 94010 Créteil, France;2. Laboratoire des Sciences du Climat et de l’Environnement, CNRS-CEA, Orme des Merisiers, bât 701, 91191Gif sur Yvette, France;3. Stazione Sperimentale del Vetro, Calle Briati 10, 30141 Murano,Venezia, Italy |
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Abstract: | In order to analyse the self-cleaning mechanism of TiO2-coated window float glass, a field experiment was conducted in Paris, at a site representative of background urban pollution. Two hydrophilic photocatalytic TiO2-coated industrial glasses and a traditional float glass (reference) were exposed in unsheltered and sheltered condition for various time duration. The sheltered exposure allowed to study the soiling and self-cleaning mechanism without the disturbing effect of rain washing. In parallel, air filtrations were carried out in order to assess the chemical composition of airborne particulate. |
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Keywords: | Particle deposition Carbon Ions Haze Self-cleaning glass |
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