Physicochemical properties and structure of MgMoO4-MoO3 catalysts
Identifieur interne : 001A73 ( Main/Exploration ); précédent : 001A72; suivant : 001A74Physicochemical properties and structure of MgMoO4-MoO3 catalysts
Auteurs : W. Oganowski [Pologne] ; J. Hanuza [Pologne] ; B. Jezowska-Trzebiatowska [Pologne] ; J. Wrzyszcz [Pologne]Source :
- Journal of Catalysis [ 0021-9517 ] ; 1975.
Abstract
An attempt was made to elucidate the properties of the MgMoO4-MoO3 system containing various amounts of MoO3 which is active in the oxidizing dehydrogenation reaction converting ethylbenzene into styrene. By applying ir, Ra, ESR spectroscopy and the DTA and DTG methods, the samples containing an octahedral phase on the tetrahedral MgMoO4 base were found to have catalytic activity. Besides, the active centers include the Mo(V) ion, most probably in the MoO55− type polyhedra with a distorted pyramid structure.
Url:
DOI: 10.1016/0021-9517(75)90320-6
Affiliations:
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Oganowski</name><affiliation wicri:level="1"><country xml:lang="fr">Pologne</country><wicri:regionArea>Institute of Organic Chemistry, Department of Petrochemistry, Polish Academy of Sciences, Wroclaw</wicri:regionArea><wicri:noRegion>Wroclaw</wicri:noRegion></affiliation></author><author><name sortKey="Hanuza, J" sort="Hanuza, J" uniqKey="Hanuza J" first="J." last="Hanuza">J. Hanuza</name><affiliation wicri:level="1"><country xml:lang="fr">Pologne</country><wicri:regionArea>Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Department of Structural Chemistry, Wroclaw</wicri:regionArea><wicri:noRegion>Wroclaw</wicri:noRegion></affiliation></author><author><name sortKey="Jezowska Trzebiatowska, B" sort="Jezowska Trzebiatowska, B" uniqKey="Jezowska Trzebiatowska B" first="B." last="Jezowska-Trzebiatowska">B. 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By applying ir, Ra, ESR spectroscopy and the DTA and DTG methods, the samples containing an octahedral phase on the tetrahedral MgMoO4 base were found to have catalytic activity. Besides, the active centers include the Mo(V) ion, most probably in the MoO55− type polyhedra with a distorted pyramid structure.</div></front></TEI><affiliations><list><country><li>Pologne</li></country></list><tree><country name="Pologne"><noRegion><name sortKey="Oganowski, W" sort="Oganowski, W" uniqKey="Oganowski W" first="W." last="Oganowski">W. Oganowski</name></noRegion><name sortKey="Hanuza, J" sort="Hanuza, J" uniqKey="Hanuza J" first="J." last="Hanuza">J. Hanuza</name><name sortKey="Jezowska Trzebiatowska, B" sort="Jezowska Trzebiatowska, B" uniqKey="Jezowska Trzebiatowska B" first="B." last="Jezowska-Trzebiatowska">B. Jezowska-Trzebiatowska</name><name sortKey="Wrzyszcz, J" sort="Wrzyszcz, J" uniqKey="Wrzyszcz J" first="J." last="Wrzyszcz">J. 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