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Oxidative dehydrogenation of ethane on a magnesium-vanadium aluminophosphate (MgVAPO-5) catalyst

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Abstract

Vanadium and/or magnesium substituted aluminophosphate with ALPO4-5 structure have been prepared by hydrothermal synthesis. These catalysts have been tested for the oxidative dehydrogenation (ODH) of ethane. ALPO4-5 has a low activity and low selectivity for the ODH of ethane. The presence of Mg2+ ions in MgAPO-5 increases the selectivity to ethene, while the presence of V5+ species in VAPO-5 increases both the activity and the selectivity for this reaction. The presence of Mg2+ and V5+ species in the vanadium-magnesium alumino-phosphate (MgVAPO-5) results in a more selective catalysts for the ODH of ethane. The behavior of MgVAPO-5 could be attributed to the presence of acid sites (Mg2+) near to the redox sites (V5+) in the molecular sieve framework.

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Author notes

  1. J. Pérez-Pariente

    Present address: Instituto de Catálisis y Petroleoquímica, Campus UAM-Cantoblanco, 28049, Madrid, Spain

Authors and Affiliations

  1. Instituto de Tecnología Química, UPV-CSIC, Universidad Politécnica de Valencia, Caminode Vera, s/n46071, Valencia, Spain

    P. Concepción, J. M. López Nieto & J. Pérez-Pariente

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  1. P. Concepción
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  2. J. M. López Nieto
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  3. J. Pérez-Pariente
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Concepción, P., López Nieto, J.M. & Pérez-Pariente, J. Oxidative dehydrogenation of ethane on a magnesium-vanadium aluminophosphate (MgVAPO-5) catalyst. Catal Lett 28, 9–15 (1994). https://doi.org/10.1007/BF00812464

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  • DOI: https://doi.org/10.1007/BF00812464

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