Microkinetic modelling of the dehydrogenation of ethylbenzene to styrene over unpromoted iron oxides

Achim Schüle, Osama Shekhah, Wolfgang Ranke, Robert Schlögl, Grigorios Kolios*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

A vast number of surface science experiments provide a detailed qualitative picture of the mechanisms governing the catalytic dehydrogenation of ethylbenzene (EB) to styrene (St) over unpromoted iron oxide. Values of kinetic and energetic parameters for adsorption and desorption are also available. We present a methodology of kinetic modelling based upon this knowledge, aimed at producing an accurate prediction of the behaviour of the technical catalysts including, deactivation and regeneration. This paper contains a detailed kinetic model and the procedure followed for determining the kinetic parameters.

Original languageEnglish (US)
Pages (from-to)172-180
Number of pages9
JournalJournal of Catalysis
Volume231
Issue number1
DOIs
StatePublished - Apr 1 2005

Keywords

  • Coking
  • Deactivation
  • Dehydrogenation
  • Ethylbenzene
  • Iron oxide
  • Microkinetic model
  • Solid phase transformation
  • Styrene

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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