Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
51448 | Catalysis Communications | 2009 | 4 Pages |
Abstract
A study on the structural and morphological characterization of a ceria-zirconia-supported copper oxide (with nominal composition CuOx/Ce0.5Zr0.5O2) and on its catalytic activity for the oxidation of propylene is reported. XRD and spectroscopic analyses show that the supported phase is highly dispersed over the support constituted by a fluorite-like ceria-zirconia solid solution. FT-IR spectra of adsorbed pyridine evidence the presence of Lewis acid sites. Propylene reacts with the catalyst surface and according to a Mars van Krevelen mechanism giving rise upon increasing the temperature to propanal, propanoate, small amounts of acrylate, acetate plus formiate and finally CO2.
Keywords
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
V. Sánchez Escribano, C. del Hoyo Martínez, E. Fernández López, J.M. Gallardo Amores, G. Busca,