In situ FTIR study of n-butane selective oxidation to maleic anhydride on V-P-O catalysts

Robert W. Wenig, Glenn L Schrader

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The selective oxidation of n-butane to maleic anhydride on vanadium-phosphorus-oxygen (V-P-O) catalysts having P to V ratios of 0.9, 1.0, and 1.1 was studied by transmission infrared spectroscopy. Catalysts were exposed to mixtures of 1.5% n-butane in air at temperatures from 100 to 500°C. Adsorbed n-butane, maleic anhydride, and carbon oxide species were observed on the catalyst surfaces. In addition, adsorbed maleic acid and highly reactive olefinic species could be detected. The nature of the adsorbed species present on the catalyst surface was dependent on the catalyst phosphorus loading, the reaction temperature, and the time of exposure under reaction conditions.

Original languageEnglish (US)
Pages (from-to)6480-6488
Number of pages9
JournalJournal of Physical Chemistry
Volume90
Issue number24
StatePublished - 1986
Externally publishedYes

Fingerprint

Maleic Anhydrides
Vanadium
Butane
Maleic anhydride
anhydrides
butanes
Phosphorus
vanadium
phosphorus
Oxygen
catalysts
Oxidation
oxidation
Catalysts
oxygen
Oxides
Infrared spectroscopy
Carbon
infrared spectroscopy
butane

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

In situ FTIR study of n-butane selective oxidation to maleic anhydride on V-P-O catalysts. / Wenig, Robert W.; Schrader, Glenn L.

In: Journal of Physical Chemistry, Vol. 90, No. 24, 1986, p. 6480-6488.

Research output: Contribution to journalArticle

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