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Kinetics of oxidative dehydrogenation of isobutyraldehyde over Cs2HPMo12O40 catalyst

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Abstract

The kinetics of oxidative gas-phase dehydrogenation of isobutyraldehyde over Cs2HPMo12O40 catalyst has been studied in a flow-through integral reactor at 523 K at atmospheric pressure. The catalytic reaction has been found to be accompanied by oxidation of isobutyraldehyde outside the catalyst bed. The rate of formation of methacrolein is satisfactorily described by the rate equation derived on presumption of change in the mean activation energy. The rate of the reaction in the homogeneous phase was described by empirical pseudo-first order equation.

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Authors and Affiliations

  1. University of Pardubice Nám. Čs. Legií 565, CZ-532 10, Pardubice, Czech Republic

    Pavel Čičmanec, Jan Bouchal & Josef Tichý

Authors
  1. Pavel Čičmanec
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  2. Jan Bouchal
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  3. Josef Tichý
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Correspondence to Pavel Čičmanec.

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Čičmanec, P., Bouchal, J. & Tichý, J. Kinetics of oxidative dehydrogenation of isobutyraldehyde over Cs2HPMo12O40 catalyst. Reaction Kinetics and Catalysis Letters 81, 383–391 (2004). https://doi.org/10.1023/B:REAC.0000019447.40851.f0

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  • DOI: https://doi.org/10.1023/B:REAC.0000019447.40851.f0

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