High concentration propane depletion with photocatalysis

Our work is aimed at studying the abatement of volatile organic compounds produced by photocatalysts working in different light spectra, investigating best catalyst able to treat propane air mixtures high concentrations order thousands ppm. The experimental data were analyzed extract relevant parameters and compare catalytic activities three photocatalysts, TiO2, WO3, their mixtures. In a reactor box 1.5 l, photocatalysis processing with TiO2 catalysts gave depletion 10% for initial up 5000 ppm after 22 min UV-A lamps an intensity 0.4 mW/cm2 while WO3 about 5% using UV-C 5 × 102 mW/cm2.