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EPR Investigation of Redox Processes Occurring upon Oxygen and Propylene Interaction with V2O5 and V2O5-MoO3

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Magnetic Resonance in Colloid and Interface Science

Part of the book series: NATO Advanced Study Institutes Series ((ASIC,volume 61))

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Abstract

EPR studies of oxygen and propylene adsorption were performed on partially reduced V2O5 and V2O5-MoO3 catalysts. The redox processes accompanying adsorption on V2O5 may be considered as two step oxidation: V3+ → V4+ → V5+ and two step reduction: V5+ → V4+ → V3+ for oxygen and propylene adsorption respectively. Two different sites of reduced vanadium in the V2O5-MoO3 catalysts may be revealed by EPR investigation of the changes in the concentration of V4+ ions occurring upon adsorption. The influence of molybdena additions on the redox properties of vanadium catalyst consists on the stabilization of tetravalent vanadium in the oxidizing as well as in the reducing atmosphere.

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References

  1. Tarama K., Teranishi S., Yoshida S., Tamura N.: Proc.3rd Int.Congr.Cat.Amsterdam 1964, North Holland 1965, p.282.

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  4. Bielański A., Dyrek K., Serwicka E.: “ESR Investigation of the Redox Processes Occurring Upon Oxygen and Propylene Interaction with V2O5”. /in print/

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Author information

Authors and Affiliations

  1. Institute of Chemistry, Jagiellonian University, Kraków, Poland

    K. Dyrek & M. Łabanowska

  2. Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Kraków, Poland

    E. Serwicka

Authors
  1. K. Dyrek
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  2. M. Łabanowska
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  3. E. Serwicka
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Editor information

Editors and Affiliations

  1. Laboratoire de Chimie des Surfaces, Université Pierre et Marie Curie, Paris, France

    Jacques P. Fraissard

  2. Naval Research Laboratory, Washington, D.C., USA

    Henry A. Resing

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© 1980 D. Reidel Publishing Company

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Dyrek, K., Łabanowska, M., Serwicka, E. (1980). EPR Investigation of Redox Processes Occurring upon Oxygen and Propylene Interaction with V2O5 and V2O5-MoO3 . In: Fraissard, J.P., Resing, H.A. (eds) Magnetic Resonance in Colloid and Interface Science. NATO Advanced Study Institutes Series, vol 61. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9079-1_34

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  • DOI: https://doi.org/10.1007/978-94-009-9079-1_34

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-009-9081-4

  • Online ISBN: 978-94-009-9079-1

  • eBook Packages: Springer Book Archive

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