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Photocatalytical degradation of selected volatile organic compounds in emission test chambers
(2014)
This work focuses on the photocatalytical degradation of selected volatile organic compounds (toluene, butyl acetate, phenol and limonene) under UV-light and blue LED-light (λ = 444 nm) at different relative humidities. Ceramic tiles coated with titanium dioxide were used as photocatalytical active material. The experiments were performed in 20 l emission test chambers with two different kinds of pollutant supply. Toluene was the compound with the highest degradation rate in all performed experiments. A degradation rate of 24 % was obtained under blue LED-light and a relative humidity of (50 ± 5)% and a degradation rate up to 80 % was obtained under UV-light in dry air.