Isomerization and metathesis of n-butenes on reduced molybdena-alumina holding preadsorbed hydrogen

J. Engelhardt, D. Kalló, I. Zsinka

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The isomerization reactions of n-butenes were studied over molybdena-alumina previously reduced with hydrogen at 823 K, without removal of the hydrogen adsorbed during reduction. The rate of isomerization and hydrogen scrambling increased, but the rate of metathesis decreased significantly due to the effect of preadsorbed hydrogen. This is explained by formation of sites on which transformation of Mo-butyl species (direct intermediates for isomerization) to Mo-butylidene species (initiators for the chain reaction of metathesis) are hindered.

Original languageEnglish
Pages (from-to)317-324
Number of pages8
JournalJournal of Catalysis
Volume88
Issue number2
DOIs
Publication statusPublished - Aug 1984

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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