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Preparation of a Ru/Al2O3 catalyst from Ru3(CO)12 infrared and XPS study

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Abstract

A supported ruthenium catalyst on alumina prepared from Ru3(CO)12 has been studied by infrared and X-ray photoelectron spectroscopy (XPS). The triatomic cluster is retained on the support but breaks down at 150°C. Complete elimination of the carbonyl groups requires heating at 350°C under vacuum. XPS studies show that the decomposed catalyst does not change on further reduction in H2 at 400°C. The ruthenium atoms remain trapped within the pores of the support.

Abstract

Рутениевые каталиэаторы на носителе Al2O3, приготовленные иэ Ru3(CO)12, были исследованы с помощью ИК и рентгеновской фотоэлектронной спектпоскопии (XPS). Триатомный кластер эадерживается на носителе, но при 150°C отщепляется. Для полного удаления карбонильных групп требуется наг⌕ев при 350°C в вакууме. XPS исследования укаэывают на то, что раэложившийся каталиэатор при дальнейшем восстановлении в H2 при 400°C уже не иэменяется. Атомы рутения остаются эахваченными в порах носителя.

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Author notes

  1. P. D. Prabhawalkar

    Present address: RSIC, I.I.T., 400076, Bombay

Authors and Affiliations

  1. Solid State Laboratory, Chemistry Department, Indian Institute of Technology, 400076, Bombay, India

    D. K. Chakrabarty, A. Joshi, S. Unnikrishnan & P. D. Prabhawalkar

Authors
  1. D. K. Chakrabarty
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  2. A. Joshi
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  3. S. Unnikrishnan
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  4. P. D. Prabhawalkar
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Chakrabarty, D.K., Joshi, A., Unnikrishnan, S. et al. Preparation of a Ru/Al2O3 catalyst from Ru3(CO)12 infrared and XPS study. React Kinet Catal Lett 26, 143–147 (1984). https://doi.org/10.1007/BF02063881

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  • DOI: https://doi.org/10.1007/BF02063881

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