Decomposition of MEK and Toluene Over Nanolayered TiO2 Photocatalyts Prepared from Metallic Titanium Chip
Abstract:The Nanolayered TiO2 photocatalysts were prepared by thermal treatment of metallic titanium chips. Photocatalytic activity for methyl ethyl ketone (MEK) and toluene was investigated using a closed circulating system. The photocatalysts were characterized by SEM and XRD. Surface of the Ti chips changed to be rough with increase of treatment temperature, and severe oxidation over 900 °C resulted in TiO2 powder. Uniform TiO2 nanolayer was formed as a rutile type on the metallic chip. Photocatalytic decomposition of MEK over the TiO2 photocatalysts occurred efficiently by UV-C irradiation. The maximum activity for MEK was obtained over Ti Chip treated at 700 °C. It was known that the prepared photocatalyts could be applied to remove various VOCs.
Document Type: Research Article
Publication date: August 1, 2011
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