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Effect of basic additives on properties of V−Sb−Bi oxide catalysts for ammoxidation of xylenes

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Abstract

The introduction of K2O and Bao additives into supported V−Sb−Bi oxide catalysts enhances their activity in ammoxidation of xylenes. Bond energy and inhomogeneity character of surface oxygen, oxidation states and relative contents of metal cations remain practically unchanged, whereas the concentration of basic sites significantly increases.

Abstract

Введение небольших количеств оксидов калия и бария в состав нанесенного V−Sb−Bi оксидного катализатора повышает его активность в реакциях окислительного аммонолиза ксилолов. При этом практически не изменяется энергия связи и характер неоднородности кислорода, степени окисления и относительные содержания катионов металлов, но существенно увеличивается концентрация основных центров на поверхности контакта.

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Authors and Affiliations

  1. Institute of Inorganic and Physical Chemistry, 370143, Baku

    E. G. Guseinova, T. E. Suleimanov, A. V. Kalinkin, Yu. D. Pankratiev, V. P. Vislovskii, E. A. Mamedov & R. G. Rizaev

  2. Institute of Catalysis, 630090, Novosibirsk, USSR

    E. G. Guseinova, T. E. Suleimanov, A. V. Kalinkin, Yu. D. Pankratiev, V. P. Vislovskii, E. A. Mamedov & R. G. Rizaev

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  1. E. G. Guseinova
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  2. T. E. Suleimanov
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  3. A. V. Kalinkin
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  4. Yu. D. Pankratiev
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  5. V. P. Vislovskii
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  6. E. A. Mamedov
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  7. R. G. Rizaev
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Guseinova, E.G., Suleimanov, T.E., Kalinkin, A.V. et al. Effect of basic additives on properties of V−Sb−Bi oxide catalysts for ammoxidation of xylenes. React Kinet Catal Lett 43, 501–506 (1991). https://doi.org/10.1007/BF02064719

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  • DOI: https://doi.org/10.1007/BF02064719

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