Maleic anhydride conversion by V-P-O catalysts

T. P. Moser, R. W. Wenig, Glenn L Schrader

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The vapor phase conversion of maleic anhydride was studied using two model vanadium-phosphorus-oxygen (V-P-O) catalysts, β-VOPO4 and (VO)2P2O7, and a series of industrial-type catalysts having P-to-V ratios of 0.9, 1.0, 1.1 and 1.2. Maleic anhydride was fed directly to an integral flow reactor using a molten maleic anhydride saturator system. Direct evidence for the combustion of maleic anhydride has been observed with the simultaneous production of maleic acid. The conversion of maleic anhydride increased with temperature, oxygen partial pressure, and residence time. The incorporation of "excess" phosphorus in industrial catalysts suppressed maleic anhydride combustion by stabilizing the (VO)2P2O7 phase.

Original languageEnglish (US)
Pages (from-to)39-48
Number of pages10
JournalApplied Catalysis
Volume34
Issue numberC
DOIs
StatePublished - 1987
Externally publishedYes

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Maleic anhydride
Vanadium
Phosphorus
Catalysts
Oxygen
Partial pressure
Molten materials
Vapors
Acids

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Maleic anhydride conversion by V-P-O catalysts. / Moser, T. P.; Wenig, R. W.; Schrader, Glenn L.

In: Applied Catalysis, Vol. 34, No. C, 1987, p. 39-48.

Research output: Contribution to journalArticle

Moser, T. P. ; Wenig, R. W. ; Schrader, Glenn L. / Maleic anhydride conversion by V-P-O catalysts. In: Applied Catalysis. 1987 ; Vol. 34, No. C. pp. 39-48.
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