1,3-Butadiene selective oxidation over VMoO catalysts

New insights into the reaction pathway

W. D. Schroeder, C. J. Fontenot, Glenn L Schrader

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The partial oxidation of 1,3-butadiene has been investigated over VMoO catalysts synthesized by sol-gel techniques. Surface areas were 9-14 m2/g, and compositions were within the solid solution regime, i.e., below 15.0 mol% (MoO3) in V2O5. Laser Raman and XRD data indicated that solid solutions were formed, and pre- and postreaction XPS data indicated that catalyst surfaces were reduced by the 1,3-butadiene-in-air feeds. The reaction pathway for 1,3-butadiene partial oxidation to maleic anhydride was shown to involve intermediates such as 3,4-epoxy-1-butene, crotonaldehyde, furan, and 2-butene-1,4-dial. The addition of water to the reaction stream substantially increased catalyst activity and improved selectivity to crotonaldehyde and furan at specific reaction temperatures.

Original languageEnglish (US)
Pages (from-to)382-392
Number of pages11
JournalJournal of Catalysis
Volume203
Issue number2
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

2-butenal
butadiene
Butadiene
furans
butenes
Butenes
catalysts
Oxidation
oxidation
Catalysts
Solid solutions
solid solutions
Maleic Anhydrides
dials
Catalyst selectivity
Raman lasers
Maleic anhydride
anhydrides
Sol-gels
Catalyst activity

Keywords

  • 1,3-Butadiene partial oxidation
  • Hydrocarbon selective oxidation
  • Mixed metal oxide catalysts

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

Cite this

1,3-Butadiene selective oxidation over VMoO catalysts : New insights into the reaction pathway. / Schroeder, W. D.; Fontenot, C. J.; Schrader, Glenn L.

In: Journal of Catalysis, Vol. 203, No. 2, 2001, p. 382-392.

Research output: Contribution to journalArticle

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