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A FT-IR assessment of iso-C4H8 reactivity with V2O5/TiO2 catalysts

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Abstract

Low-loaded vanadia-titania catalysts have been prepared by impregnation of titania P-25 (Degussa). The catalysts were characterized by X-ray diffraction, specific surface area and porosity assessment by nitrogen adsorption at 77 K. For very low vanadia contents the absence of surface acid Brønsted sites leads to dimerization on surface acid Lewis sites, whereas the presence of surface acid Bransted sites when the vanadia content is increased leads to oxidation to carbonyl and carboxylate species.

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Authors and Affiliations

  1. Departamento de Quimica Inorgánica, Universidad de Salamanca, Facultad de Farmacia, 37007, Salamanca, Spain

    B. Ledo & V. Rives

  2. Departamento de Quimica Inorganica, Universidad de Salamanca, Facultadde Ciencias, Químicas, Salamanca, Spain

    V. Sánchez-Escribano

  3. Istituto de Chimica, Facoltà de Ingegneria, Università de Genova, Genoa, Italy

    G. Busca

Authors
  1. B. Ledo
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  2. V. Rives
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  3. V. Sánchez-Escribano
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  4. G. Busca
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Ledo, B., Rives, V., Sánchez-Escribano, V. et al. A FT-IR assessment of iso-C4H8 reactivity with V2O5/TiO2 catalysts. Catal Lett 18, 329–335 (1993). https://doi.org/10.1007/BF00765278

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  • DOI: https://doi.org/10.1007/BF00765278

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