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IR investigation of thiophene hydrogenolysis on γ-Al2O3

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Abstract

The adsorption of thiophene on γ-Al2O3 in the temperature range from 20 to 450 °C has been studied. It is demonstrated that hydroxyl groups of the surface are not only adsorption sites but also reactants leading to the formation of saturated surface structures. The hydrogenation of surface structures up to a hydrogen pressure of 11 atm was followed IR-spectroscopically in a specially designed cell. The rates of hydrogenation of these species were found to be different.

Abstract

Изучена адсорбция тиофена на γ-Al2O3 при температурах от 20 до 450 °C. Показано, что OH-группы поверхности являются не только центрами адсорбции, но и вступают во взаимодействие, в результате которого образуутся насьщенные поверхностные структуры. За процессом гидрирования поверхностных структур при давлении водорода до II атм наблюдали ИК спектроскопически с помомю специально сконструированной кюветы. Установлено, что скорость гидрирования этих форм различна.

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Authors and Affiliations

  1. SredasNIINP, Tashkent

    A. S. Sultanov, U. B. Khakimov, G. Sh. Talipov & J. M. Shchekochinin

  2. Institute of Catalysis, Novosibirsk

    A. S. Sultanov, U. B. Khakimov, G. Sh. Talipov & J. M. Shchekochinin

Authors
  1. A. S. Sultanov
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  2. U. B. Khakimov
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  3. G. Sh. Talipov
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  4. J. M. Shchekochinin
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Sultanov, A.S., Khakimov, U.B., Talipov, G.S. et al. IR investigation of thiophene hydrogenolysis on γ-Al2O3 . React Kinet Catal Lett 2, 243–250 (1975). https://doi.org/10.1007/BF02068197

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  • DOI: https://doi.org/10.1007/BF02068197

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