Alumina-supported V-Mo-O mixed oxide catalysts, the formation of phases involving aluminum: AlVMoO7

S. J. Khatib, R. Guil-López, M. A. Peña, J. L.G. Fierro, M. A. Bañares

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

The structure and reactive properties of alumina-supported molybdena, vanadia and molybdena-vanadia above monolayer coverage are studied by XPS, XRD, Raman spectroscopy and methanol temperature-programmed surface reaction (TPSR). Alumina-supported series are prepared by impregnation. Reference bulk Mo-V-Al oxide systems are prepared. The bulk Mo-V-Al oxide system provides structural references to characterize the alumina-supported series. The Raman bands of AlVMoO7 are reported here for the first time, to the best of our knowledge. It is shown that the chemistry of the bulk Al-V-Mo system is also present in the alumina-supported Mo-V oxide catalysts. Methanol TPSR data show that the systems possess essentially redox activity.

Original languageEnglish
Pages (from-to)353-359
Number of pages7
JournalCatalysis Today
Volume118
Issue number3-4 SPEC. ISS.
DOIs
StatePublished - Dec 15 2006

Keywords

  • AlVMoO
  • Methanol
  • Mixed Al-V-Mo oxides
  • Oxidation
  • Raman
  • XPS
  • XRD

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