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CO hydrogenation on a highly loaded Rh/TiO2 catalyst and the influence of strong metal-support interaction

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Abstract

The CO hydrogenation on a highly loaded (25 wt.%) Rh/TiO2 catalyst was investigated after reduction at 573 K and 723 K. Chemisorption measurements show that the Rt/TiO2 ratio is in the SMSI state after the high temperature reduction. The catalytic activity is significantly lower in the SMSI state than after reduction at low temperature. The selectivity of CO hydrogenation is changed in the SMSI state to higher hydrocarbons

Abstract

Исследовали гидрогенизацию CO на катализаторе Rh/TiO2 с большой загрузкой (25 вес.%) после восстановления последнего при 573 и 723 К. Измерением хемосорбции установлено, что Rh/TiO2 после восстановления при высокой температуре находится в состоянии сильного взаимодействия металла с носителем. В этом состоянии каталитическая активность значительно ниже, чем после восстановления при низкой температуре, а селективность гидрирования сдвигается в сторону более высоких углеводородов.

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Author notes

  1. H. Miessner

    Present address: Zentralinstitut für Physikalische Chemie der Akademie der Wissenschaften der DDR, 1199, Berlin, DDR

  2. K. Tamaru

    Present address: Department of Chemistry, Faculty of Science, Science University of Tokyo, Kagurazaka, Shinjuku-ku, 162, Tokyo, Japan

Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, University of Tokyo, Hongo, Bunkyo-ku, 113, Tokyo, Japan

    H. Miessner, H. Orita, S. Naito & K. Tamaru

Authors
  1. H. Miessner
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  2. H. Orita
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  3. S. Naito
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  4. K. Tamaru
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Miessner, H., Orita, H., Naito, S. et al. CO hydrogenation on a highly loaded Rh/TiO2 catalyst and the influence of strong metal-support interaction. React Kinet Catal Lett 28, 295–300 (1985). https://doi.org/10.1007/BF02062955

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  • DOI: https://doi.org/10.1007/BF02062955

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