期刊
CATALYSIS TODAY
卷 161, 期 1, 页码 175-180出版社
ELSEVIER
DOI: 10.1016/j.cattod.2010.09.028
关键词
Heterogeneous photocatalysis; Atmospheric reactions; NO and NO2; Air purification; Concrete pavement
资金
- Bouwdienst Rijkswaterstaat
- Graniet-Import Benelux
- Kijlstra Betonmortel
- Struyk Verwo
- Insulinde
- Enci
- Provincie Overijssel
- Rijkswaterstaat Directie Zeeland
- AG Maasvlakte
- BTE
- Alvon Bouwsystemen,
- V.d. Bosch Beton
- Selor
- Twee R Recyling
- GMB
- Schenk Concrete Consultancy
- De Mobiele Fabriek
- Creative Match
- Intron
- Geochem Research
- Icopal
The application of photocatalytic concrete containing TiO2 in urban streets is a method to improve the air quality in highly polluted areas. By using this technology it is possible to degrade a wide range of air contaminants, like nitric oxide (NO) and nitrogen dioxide (NO2), mainly emitted by automobiles. In the present paper, the photocatalytic degradation of NO and NO2 is experimentally studied, and the atmospheric reactions involving nitrogen oxides and solar radiation are analyzed as well. In addition, the influence of different system parameters, such as inlet pollutant concentration, relative humidity, and irradiance is investigated in detail. (C) 2010 Elsevier B.V. All rights reserved.
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