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Journal of Materials Science

, Volume 30, Issue 11, pp 3005–3009 | Cite as

Reactivity of perovskites on oxidative coupling of methane

  • M. Teymouri
  • E. Bagherzadeh
  • C. Petit
  • J. L. Rehspringer
  • S. Libs
  • A. Kiennemann
Papers

Abstract

Well-defined structures like ABO3 (A = Ba, Sr, Ca; and B = Ti, Zr) perovskites were prepared by a sol-gel method which permits the formation of a crystalline structure at low-calcination temperatures (∼700 °C). The perovskite structures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Brunauer-Emmett-Teller (BET) methods and the carbonate present at the surface was determined by Fourier transform infra-red spectroscopy. Reactivity studies showed that the perovskite structures are stable under oxidative coupling of methane (OCM) conditions. The yield increases followed the sequence Ca < Sr < Ba and Zr < Ti, and a stable BaTiO3 gives a C2 yield of 15% at 800 °C.

Keywords

Scanning Electron Microscopy Methane Fourier Fourier Transform Perovskite 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1995

Authors and Affiliations

  • M. Teymouri
    • 1
  • E. Bagherzadeh
    • 1
  • C. Petit
    • 2
  • J. L. Rehspringer
    • 2
  • S. Libs
    • 2
  • A. Kiennemann
    • 2
  1. 1.NIOC Research InstituteTehranIran
  2. 2.LERCSI URA 1498, EHICS 1StrasbourgFrance

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