Rare behaviour of a catalyst pellet catalyst dynamics

K.R. Westerterp, R.A. Loonen, A. Martens

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Abstract

Temperature overshoots and undershoots were found for a Pd on alumina catalyst pellet in its course towards a new steady state after a change in concentration of one of the reactants ethylene or hydrogen. When cooling the pellet, after heat-up by reaction, with pure hydrogen a sudden temperature peak appears after a short time. A mathematical model is introduced, which can explain the over- and undershoots by slow ad- or desorption on the active sites of the catalyst of one of the reactants.
Original languageUndefined
Pages (from-to)1117-1122
JournalChemical engineering science
Volume41
Issue number4
DOIs
Publication statusPublished - 1986

Keywords

  • IR-69731

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