Abstract

The destruction of volatile organic compounds (VOCs) by labile species formed from O 3 on an ozone-decomposition catalyst (ODC) was investigated with and without UV irradiation. Toluene was decomposed to CO 2 on the ODC surface in the presence of O 3, even in darkness. A mixed catalyst consisting of the ODC and TiO 2 produced higher VOC removals and CO 2 conversions, especially in the presence of UV irradiation and high O 3 concentrations. Although humidity hindered the destruction of VOCs by the ODC, this problem was mitigated by using the mixed catalyst. Significant suggestions are made for the utilization of ODCs in VOC destruction.

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