Modelling and experimental study of the NOx photocatalytic degradation employing concrete pavement with titanium dioxide

M. Ballari, M. Hunger, G. Hüsken, H.J.H. Brouwers

Research output: Contribution to journalArticleAcademicpeer-review

52 Citations (Scopus)

Abstract

The photocatalytic degradation of nitrogen oxides (NOx) employing concrete paving stones with titanium dioxide is studied experimentally and theoretically. Experiments were carried out in a laboratory photoreactor designed according to the standard ISO 22197-1 (2007) [7] to assess photocatalytic materials. A kinetic model is proposed to describe the photocatalytic reaction of NO and NO2 as well as the influence of several parameters that can affect the performance of the stones, such as NO inlet concentration, reactor height, flow rate, relative humidity and irradiance. The proposed kinetic model is in good agreement with the experimental results, for instance the prediction of the NO and NO2 concentration at the reactor outlet.
Original languageEnglish
Pages (from-to)71-76
Number of pages6
JournalCatalysis Today
Volume151
Issue number1/2
DOIs
Publication statusPublished - 2010

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