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Tantalum-containing catalysts for oxydehydrogenation of hydrocarbons and alcohols

  • Synthesis and Properties of Inorganic Compounds
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Abstract

The first methods were developed for introducing tantalum(V) into Mg-Al hydrotalcites, which are precursors of oxide catalysts for oxydehydrogenation of hydrocarbons and alcohols. Samples of oxide tantalum(V)-containing catalysts were synthesized. Their catalytic properties were studied in the oxydehydrogenation of ethane to ethylene and ethylbenzene to styrene, oxydehydrocyclization of octane to ethylbenzene and styrene, and oxydehydrogenation of sec-butanol to ketone (octan-2-one). The transformation of ethane to ethylene over the tantalum-containing catalyst occurs with a high selectivity (92–97%) at relatively low temperatures (500°C), and the catalyst is quite efficient in conversion of ethylbenzene to styrene, dehydrocyclization of n-octane to ethylbenzene and styrene, and oxydehydrogenation of sec-butanol to octan-2-one. Comparison with a niobium-containing catalyst showed that it ensures higher yields and selectivities in similar reactions than its tantalum-containing analogue does.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    O. N. Krasnobaeva, T. A. Nosova, T. A. Elizarova & V. P. Danilov

  2. Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, Moscow, 119991, Russia

    I. P. Belomestnykh, G. V. Isagulyants & S. P. Kolesnikov

Authors
  1. O. N. Krasnobaeva
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  2. I. P. Belomestnykh
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  3. T. A. Nosova
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  4. T. A. Elizarova
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  5. G. V. Isagulyants
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  6. S. P. Kolesnikov
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  7. V. P. Danilov
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Corresponding author

Correspondence to V. P. Danilov.

Additional information

Original Russian Text © O.N. Krasnobaeva, I.P. Belomestnykh, T.A. Nosova, T.A. Elizarova, G.V. Isagulyants, S.P. Kolesnikov, V.P. Danilov, 2011, published in Zhurnal Neorganicheskoi Khimii, 2011, Vol. 56, No. 7, pp. 1073–1077.

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Krasnobaeva, O.N., Belomestnykh, I.P., Nosova, T.A. et al. Tantalum-containing catalysts for oxydehydrogenation of hydrocarbons and alcohols. Russ. J. Inorg. Chem. 56, 1012–1016 (2011). https://doi.org/10.1134/S003602361107014X

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  • DOI: https://doi.org/10.1134/S003602361107014X

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