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Catalytic combustion of ethyl acetate over ceria-promoted platinum supported on Al2O3 and ZrO2 catalysts

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Abstract

Platinum-supported catalysts prepared by impregnation of mixed CeO2/Al2O3 and CeO2/ZrO2 oxides using the sol-gel method were characterized and used in the combustion of ethyl acetate. In each series, the effect of CeO2 loading (3 and 5 wt%) was studied. Characterization data from the studied catalysts (specific area measurements, hydrogen chemisorption, programmed temperature reduction (TPR), X-ray diffraction (XRD), photoelectron spectra (XPS) and transmission electron microscopy (TEM)) revealed significant changes in porosity and metal dispersion in each series. The catalytic activity of the solids, evaluated in the total combustion of ethyl acetate, exhibited a positive effect with the addition of Ce in the zirconia series whereas no significant changes was observed in the alumina series.

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Authors and Affiliations

  1. Departamento de Físico-Química, Facultad de Ciencias Químicas, Universidad de Concepción, Casilla 160-C Concepción, Chile

    Gina Pecchi, Patricio Reyes & M. Graciela Jiliberto

  2. Universidad Autónoma Metropolitana-Iztapalapa, 09340, México, D.F.A.P., 55-534

    T. López

  3. Instituto de Catálisis y Petroleoquímica, CSIC, Madrid, Spain

    J. L. G. Fierro

Authors
  1. Gina Pecchi
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  2. Patricio Reyes
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  3. M. Graciela Jiliberto
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  4. T. López
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  5. J. L. G. Fierro
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Correspondence to Gina Pecchi.

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Pecchi, G., Reyes, P., Jiliberto, M.G. et al. Catalytic combustion of ethyl acetate over ceria-promoted platinum supported on Al2O3 and ZrO2 catalysts. J Sol-Gel Sci Technol 37, 169–174 (2006). https://doi.org/10.1007/s10971-005-6623-0

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  • DOI: https://doi.org/10.1007/s10971-005-6623-0

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