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Catalyst deactivation and reactivation during aqueous alcohol oxidation in a redox-cycle reactor

  • A.P. Markusse
  • , B.F.M. Kuster
  • , J.C. Schouten

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Abstract

    Platinum catalyst deactivation during aqueous alcohol oxidation is discussed, using the oxidation of methyl -D-glucopyranoside as an example. The most important causes of platinum deactivation are catalyst over-oxidation and catalyst poisoning. Deactivation by over-oxidation can be reversed by applying a redox-cycle, i.e. cyclic exposure to oxidative and reductive circumstances. A kinetic model for methyl -D-glycopyranoside oxidation, platinum deactivation, and reactivation is presented and implemented into a three-phase stirred slurry reactor model, clearly showing the advantages of redox-cycles.
    Original languageEnglish
    Title of host publicationCatalyst deactivation 1999 : proceedings of the 8th International Symposium, Brugge, Belgium, October 10-13, 1999
    EditorsB. Delmon, G.F. Froment
    Place of PublicationAmsterdam
    PublisherElsevier
    Pages273-280
    ISBN (Print)9780444502131
    DOIs
    Publication statusPublished - 1999
    Eventconference; International Symposium on Catalys Deactivation ; 8 (Brugge, Belgium) : 1999.10.10-13; 1999-10-10; 1999-10-13 -
    Duration: 10 Oct 199913 Oct 1999

    Publication series

    NameStudies in Surface Science and Catalysis
    Volume126
    ISSN (Print)0167-2991

    Conference

    Conferenceconference; International Symposium on Catalys Deactivation ; 8 (Brugge, Belgium) : 1999.10.10-13; 1999-10-10; 1999-10-13
    Period10/10/9913/10/99
    OtherInternational Symposium on Catalys Deactivation ; 8 (Brugge, Belgium) : 1999.10.10-13

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