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Measurement of the photocatalytic efficiency of FN NANO®2 coating on an idealized urban model
 Nosek, Štěpán
An experiment was conducted to test the effectiveness of the FN NANO®2 coating in removing a harmful pollutant (NOX) by photocatalysis on a surface in a model of an urban street canyon. The experiment was conducted in a wind tunnel under controlled conditions, simulating two cases of street canyon pollution: from a line source within the canyon and a polluted incoming boundary layer. The results showed that the coating has an average efficiency of 15% when removed from NOX, with the efficiency decreasing with height within the street canyon. The removal efficiency depends on the type of pollution. In the case of the polluted incoming boundary layer, the coating showed very high efficiency in removing NO (average efficiency of 19%) and NO2 (average efficiency of 7%). These results show that both methods can be used to analyse the removal of NOX concentrations by the FN NANO®2 coating in a street canyon.
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