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The Relationship Between Structural and Catalytic Activity of α and γ-Bismuth-Molybdate Catalysts for Partial Oxidation of Propylene to Acrolein

Author

Listed:
  • H. Fansuri

    (Center for Fuels and Energy, Curtin University of Technology, GPO Box U1987, Perth, Western Australia 6845, Australia)

  • G. H. Pham

    (Center for Fuels and Energy, Curtin University of Technology, GPO Box U1987, Perth, Western Australia 6845, Australia)

  • S. Wibawanta

    (Center for Fuels and Energy, Curtin University of Technology, GPO Box U1987, Perth, Western Australia 6845, Australia)

  • D. K. Zhang

    (Center for Fuels and Energy, Curtin University of Technology, GPO Box U1987, Perth, Western Australia 6845, Australia)

  • David French

    (CSIRO Division of Energy Technology, Lucas Heights Science and Technology Centre, Private Mail Bag 7, Bangor NSW 2234, Australia)

Abstract

Bismuth-molybdate catalysts are known to be effective for catalytic partial oxidation of propylene to acrolein. Their properties and the kinetics and reaction mechanisms for acrolein production have been extensively studied, especially in their basic forms, such as α, β, and γ-bismuth-molybdate. Although the reaction mechanisms have been reported widely in the literature, a general agreement has not been reached, especially from a catalyst-structure point of view. The present contribution reports an effort to understand the structural changes of α and γ-bismuth-molybdate catalysts at varying temperatures as examined using high temperature XRD and to relate the catalyst performance (activity and selectivity) for propylene partial oxidation to acrolein. The XRD analysis was performed at temperature between 250 and 450°C in ambient atmosphere and the Rietveld refinement method was used to extract unit cell parameters. The results showed a distinct similarity between the shapes of the thermal expansion of the catalysts and their activity and selectivity curves, indicating a significant role that the catalyst interatomic structure plays in the overall reaction mechanism.

Suggested Citation

  • H. Fansuri & G. H. Pham & S. Wibawanta & D. K. Zhang & David French, 2003. "The Relationship Between Structural and Catalytic Activity of α and γ-Bismuth-Molybdate Catalysts for Partial Oxidation of Propylene to Acrolein," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 10(02n03), pages 549-553.
  • Handle: RePEc:wsi:srlxxx:v:10:y:2003:i:02n03:n:s0218625x03005153
    DOI: 10.1142/S0218625X03005153
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    Cited by:

    1. Talebian-Kiakalaieh, Amin & Amin, Nor Aishah Saidina & Hezaveh, Hadi, 2014. "Glycerol for renewable acrolein production by catalytic dehydration," Renewable and Sustainable Energy Reviews, Elsevier, vol. 40(C), pages 28-59.

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