Nanosized iron and iron–cobalt spinel oxides as catalysts for methanol decomposition

Nanosized iron and mixed iron–cobalt oxides supported on activated carbon materials and their bulk analogues prepared by thermal synthesis are studied by X-rays diffraction, Mössbauer spectroscopy, magnetic measurements and temperature programmed reduction. Their catalytic behavior in methanol decom...

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Bibliographic Details
Published in:Applied catalysis. A, General General, 2006-01, Vol.300 (2), p.170-180
Main Authors: Manova, E., Tsoncheva, T., Estournès, Cl, Paneva, D., Tenchev, K., Mitov, I., Petrov, L.
Format: Article
Language:English
Subjects:
Catalysis
Chemical Sciences
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Iron and/or cobalt oxide catalysts
Magnetism
Material chemistry
Methanol decomposition
Mössbauer spectroscopy
Nanoparticles
Physical and chemical studies. Granulometry. Electrokinetic phenomena
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:Nanosized iron and mixed iron–cobalt oxides supported on activated carbon materials and their bulk analogues prepared by thermal synthesis are studied by X-rays diffraction, Mössbauer spectroscopy, magnetic measurements and temperature programmed reduction. Their catalytic behavior in methanol decomposition to H 2, CO and methane is tested. Phase transformations in the metal oxides affected by the reaction medium are also investigated. Changes in the reaction mechanism of the methanol decomposition after the metal oxides deposition on the support as compared to the bulk phases are discussed.
ISSN:0926-860X
1873-3875
DOI:10.1016/j.apcata.2005.11.005