Platinum catalysed aqueous methyl alpha-D-glucopyranoside oxidation in a multiphase redox-cycle reactor

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

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)

Abstract

Platinum catalyst deactivation during aqueous alcohol oxidation is discussed, using the selective oxidation of methyl a- -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 a- -glucopyranoside oxidation, platinum deactivation, and reactivation, based on electrochemistry is presented and implemented into a three-phase stirred slurry reactor model, showing the advantages of applying redox cycles.
Original languageEnglish
Pages (from-to)191-197
JournalCatalysis Today
Volume66
Issue number2-4
DOIs
Publication statusPublished - 2001

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