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Tribomechanical pretreatment of vanadium phosphates: structural and catalytic effects

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Abstract

The influence of the tribomechanical pretreatment of the precursor vanadyl hydrogenphosphate hemihydrate, VOHPO4·0.5H2O, prepared in aqueous medium and of the catalyst vanadyl pyrophosphate, (VO)2P2O7, on the structural and catalytic properties of (VO)2P2O7 in the oxidation of n-butane to maleic anhydride was investigated. Due to the pretreatment the activity and selectivity of the catalyst were markedly increased. The increase in catalytic performance is explained as an effect of the particle size in connection with lattice imperfections.

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Authors and Affiliations

  1. Institut für Angewandte Chemie Berlin–Adlershof e.V., Richard-Willstätter-Strasse 12, D-12489, Berlin, Germany

    M. Fait, B. Kubias, U. Steinike & M. Schneider

  2. Consortium für Elektrochemische Industrie GmbH, Zielstattstrasse 20, D-81379, München, Germany

    H.-J. Eberle & M. Estenfelder

Authors
  1. M. Fait
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  2. B. Kubias
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  3. H.-J. Eberle
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  4. M. Estenfelder
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  5. U. Steinike
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  6. M. Schneider
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Fait, M., Kubias, B., Eberle, HJ. et al. Tribomechanical pretreatment of vanadium phosphates: structural and catalytic effects. Catalysis Letters 68, 13–18 (2000). https://doi.org/10.1023/A:1019042311089

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