Transient FTIR studies of the reaction pathway for n-butane selective oxidiation over vanadyl pyrophosphate

Zhi Yang Xue, G. L. Schrader

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

New information has been provided about the reaction pathway for n-butane partial oxidation to maleic anhydride over vanadyl pyrophosphate (VPO) catalysts using FTIR spectroscopy under transient conditions. Adsorption studies of n-butane, 1,3-butadiene, and related oxygenates were performed to gain information about reaction intermediates. n-Butane was found to adsorb on the VPO catalyst to form olefinic species at low temperatures. Unsaturated, non-cyclic carbonyl species were determined to be precursors to maleic anhydride.

Original languageEnglish (US)
Article numberjcat.1999.2452
Pages (from-to)87-104
Number of pages18
JournalJournal of Catalysis
Volume184
Issue number1
DOIs
StatePublished - 1999
Externally publishedYes

Keywords

  • Adsorbed intermediates
  • Transient FTIR
  • VPO catalysts
  • n-butane oxidation

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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