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Niobium-containing catalysts for oxydehydrogenation of hydrocarbons and alcohols

  • Synthesis and Properties of Inorganic Compounds
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Abstract

The first methods are developed for introducing niobium(V) into Mg-Al hydrotalcites used as precursors of oxide catalysts for oxydehydrogenation (OD) of alkanes and alcohols. Samples of niobium(V)-containing oxide catalysts are synthesized. Their catalytic properties are studied in oxydehydrogenation of ethane and ethylbenzene to styrene, oxidation dehydrocyclization of octane into ethylbenzene and styrene, and oxydehydrogenation of sec-butanol to ketone (octane-(2)-one). It is ascertained that ethane transformation into ethylene is highly a selective highly process (92–97%) at low temperatures (450–500°C) in the presence of a niobium-containing catalyst; the catalyst is appreciably efficient in ethylbenzene transformation to styrene and dehydrocyclization of n-octane to ethylbenzene and styrene, and in oxydehydrogenation of secbutanol to octane-(2)-one. All the catalysts studied operate stably in OD reactions; no decrease in their activity or selectivity was detected after 50 h operation.

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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. 2, pp. 204–208.

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Krasnobaeva, O.N., Belomestnykh, I.P., Nosova, T.A. et al. Niobium-containing catalysts for oxydehydrogenation of hydrocarbons and alcohols. Russ. J. Inorg. Chem. 56, 168–172 (2011). https://doi.org/10.1134/S0036023611020148

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  • DOI: https://doi.org/10.1134/S0036023611020148

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