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The Effect of Interfacial Chemical Bonding in TiO2-SiO2 Composites on Their Photocatalytic NOx Abatement Performance
Published on: July 4, 2017
Effect of TiO2 surface properties on the SCR activity of NOx emission abatement catalyst
Dai-qi Ye1, Liu-qing Tian, Hong Liang
1Department of Environmental Science and Engineering, School of Paper Making & Environmental Engineering, South China University of Technology, Guangzhou 510640, China. cedqye@scut.edu.cn
Abstract:
NOx emission abatement catalysts V2O5 supported on various TiO2 including anatase, rutile and mixture of both were investigated with various physico-chemical measurements such as BET, NH3-TPD, NARP, XRD and so on, and the effect of TiO2 surface properties on the SCR (selective catalytic reduction) activity of V2O5/TiO2 catalysts was studied. It was found that the TiO2 surface properties had strong effect on the SCR activity of V2O5/TiO2 catalysts. The stronger acidic property resulted in the higher exposure of active sites as well as the higher SCR activity.
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