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Acidity of SiO2, SiO2−Al2O3 and γ-Al2O3 supports and supported molybdena catalysts

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Abstract

Acidity of SiO2, γ-Al2O3 and SiO2−Al2O3 supports and supported Mo-catalysts in oxidized and reduced state are characterized by IR-spectroscopic and gravimetric pyridine (py) adsorption measurements. Differences in surface acidities are interpreted as results of differences in chemical compositions, molybdena-support interactions and molybdena dispersities.

Abstract

Кислотность носителей SiO2, γ-Al2O3 и SiO2−Al2O3, а также нанесенных катализаторов Mo в окисленном и восстановленом состояниях характеризовали ИК-спектро-скопическими и гравиметрическими измерениями адсорбции пиридина. Различия в поверхностных кислотностях объясняются различиями химического состава, взаимодействий молибдена с носителем и дисперсностью молибдена.

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Authors and Affiliations

  1. Central Research Institute for Chemistry of the Hungarian Academy of Sciences, P.O. Box 17, Budapest, Hungary

    J. Valyon

  2. Technical University “Carl Schorlemmer”, Leuna-Merseburg, Merseburg, GDR

    M. Henker & K. -P. Wendlandt

Authors
  1. J. Valyon
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  2. M. Henker
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  3. K. -P. Wendlandt
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Valyon, J., Henker, M. & Wendlandt, K.P. Acidity of SiO2, SiO2−Al2O3 and γ-Al2O3 supports and supported molybdena catalysts. React Kinet Catal Lett 38, 273–279 (1989). https://doi.org/10.1007/BF02062118

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  • DOI: https://doi.org/10.1007/BF02062118

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