NiMoO4 selective oxidation catalysts containing excess MoO3 for the conversion of C4 hydrocarbons to maleic anhydride. II. Selective oxidation of 1-butene

U. Ozkan, G. L. Schrader

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

The selective oxidation of 1-butene to maleic anhydride over NiMoO4 catalysts containing "excess" MoO3 was studied using a fixed-bed, integral reactor system. Activity and selectivity measurement were performed using catalysts which had been prepared by precipitation, impregnation, or solid-state reaction and which had previously undergone extensive characterization. The most selective component of the catalyst for maleic anhydride production was determined to be a MoO3 phase which possessed a surface covering of NiMoO4. Postreaction characterization by laser Raman spectroscopy. Raman microprobe spectroscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy revealed that the catalyst was stable for prolonged reaction times.

Original languageEnglish (US)
Pages (from-to)137-146
Number of pages10
JournalJournal of Catalysis
Volume95
Issue number1
DOIs
StatePublished - Sep 1985
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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