Study of photocatalytic effect of narrow band irradiation at 206 and 282 nm on oil in aqueous solution using TiO<sub>2</sub>

Yuri P. Meshalkin; Elena S. Samoilova; Edward A. Sosnin; Victor F. Tarasenko

doi:10.1117/12.563011

3 May 2004 Study of photocatalytic effect of narrow band irradiation at 206 and 282 nm on oil in aqueous solution using TiO₂

Yuri P. Meshalkin, Elena S. Samoilova, Edward A. Sosnin, Victor F. Tarasenko

Author Affiliations +

Proceedings Volume 5483, Atomic and Molecular Pulsed Lasers V; (2004) https://doi.org/10.1117/12.563011
Event: Atomic and Molecular Pulsed Lasers V, 2003, Tomsk, Russian Federation

Abstract

Kinetics of oil water solutions photodegradation under action of narrow band irradiation of XeBr*-excilamp (λ~283 nm) and iodine lamp (λ~206 nm) is presented. Power of lamps reached 10 mW/cm². In all experiments TiO₂ (rutile) powder was used as a catalytic agent. Photocatalytic degradation kinetics was controlled by laser fluorescence spectrometer. The measuring complex was based on the pulse-repetitive Nd:YAG laser (266 nm) with Q-switching. Dependencies of fluorescence intensity on irradiation time were made using laser-induced fluorescence spectra. It has been found that at initial time of irradiation, the photodegradation rate in oil aqueous solutions was higher in the case of XeBr* lamp, however, after 20 minutes of irradiation, major photodegradation was observed in the both cases.

Citation Download Citation

Yuri P. Meshalkin, Elena S. Samoilova, Edward A. Sosnin, and Victor F. Tarasenko "Study of photocatalytic effect of narrow band irradiation at 206 and 282 nm on oil in aqueous solution using TiO₂", Proc. SPIE 5483, Atomic and Molecular Pulsed Lasers V, (3 May 2004); https://doi.org/10.1117/12.563011

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