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Friday, 20 September 2019
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Raw materials & technologies, Applications, Industrial coatings

TiO2 photocatalysis in cementitious systems

Wednesday, 21 March 2012

An overview about application of titanium dioxide to concrete technology in relation to enhanced aesthetic durability and depollution properties is available.

A new study offers a general overview about application of titanium dioxide, TiO2, photocatalysis to concrete technology in relation to enhanced aesthetic durability and depollution properties achieved by implementing TiO2 into cement. Chemistry of degradation of Rhodamine B (RhB), a red dye used to assess self-cleaning performances of concretes containing TiO2, as well as oxidation of nitrogen oxides (NOx), gaseous atmospheric pollutants, has been investigated. Therefore two commercial titania samples in cement and mortar specimens have been used: a microsized and a nanosized. Experimental data on photocatalytic performances measured for the two samples have been discussed in relation to photocatalyst properties and influence of the chemical environment of cement on titania particles.

A new study offers a general overview about application of titanium dioxide to concrete technology / Quelle: Fotolia

A new study offers a general overview about application of titanium dioxide to concrete technology / Quelle: Fotolia

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