Some particular drawbacks due to the industrial use of nano-sized TiO2(safety, recovery) in photo-catalytic processes for water remediation can be avoided choosing micro-sized TiO2. Tests on bothmicro-sized TiO2powder and industrially prepared photocatalytic tiles, having the surface of porcelain-grès tiles hot-coated with the same photocatalyst, were performed. Good photocatalytic performance inthe degradation of three organic dyes (rhodamine B, crystal violet and methylene blue) in water phasewere achieved. Photocatalytic tiles can really represent a good alternative to TiO2suspensions and pavethe way for the fully industrial use of photocatalysis in environmental remediation.

Photocatalytic degradation of dyes in water with micro-sized TiO2 as powder or coated on porcelain-grès tiles

CERRATO, Giuseppina;MORANDI, Sara;
2014

Abstract

Some particular drawbacks due to the industrial use of nano-sized TiO2(safety, recovery) in photo-catalytic processes for water remediation can be avoided choosing micro-sized TiO2. Tests on bothmicro-sized TiO2powder and industrially prepared photocatalytic tiles, having the surface of porcelain-grès tiles hot-coated with the same photocatalyst, were performed. Good photocatalytic performance inthe degradation of three organic dyes (rhodamine B, crystal violet and methylene blue) in water phasewere achieved. Photocatalytic tiles can really represent a good alternative to TiO2suspensions and pavethe way for the fully industrial use of photocatalysis in environmental remediation.
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photocatalysis; liquid phase; dyes; micro-sized TiO2; Photo-catalytic tile
Claudia L. Bianchi; Enrico Colombo; Sara Gatto; Marta Stucchi; Giuseppina Cerrato; Sara Morandi; Valentino Capucci
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2318/149732
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