Abstract
The alumina-titania catalysts were prepared from various alumina and titania sources by sol-gel method, which were metal alkoxide and metal alkoxide modified with organic groups. Specific surface area, pore size distribution, solid acidity and catalytic activity of NO reduction for the alumina-titania catalysts depended on the alumina and titania sources. The alumina-titania catalyst prepared from metal alkoxide for alumina source and metal alkoxide modified with organic groups for titania source exhibited higher activity of NO reduction than the other alumina-titania catalysts. Catalytic activity of NO reduction for the alumina-titania catalysts depended on specific surface area and solid acidity. It was suggested that solid acidity of the alumina-titania catalysts depended on the coordination structure of Al atoms and the homogeneity of alumina and titania components.
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Kawabata, K., Yoshimatsu, H., Fujiwara, K. et al. Properties and catalytic activity of NOx reduction of alumina-titania catalysts prepared by sol-gel method. Journal of Materials Science 34, 2529–2534 (1999). https://doi.org/10.1023/A:1004632211927
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DOI: https://doi.org/10.1023/A:1004632211927