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Solid state reaction in Mg-V-O-Sb catalysts

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Carrazan, SRG Peres, C. Ruwet, Marie [UCL] Ruiz, Patricio [UCL] Delmon, Bernard [UCL]

MgVO oxide with Mg/V atomic ratios of 2/2 and 3/2, were mixed mechanically with alpha-Sb2O4. Chemical changes during oxidative dehydrogenation of propane (ODP) and under calcination treatment were studied. In Mg/V(2/2) + alpha-Sb2O4, magnesium vanadate is contaminated during ODP and a new phase, MgSb2O6, was formed after only 1 day of calcination at 823 K. In Mg/V(3/2) + alpha-Sb2O4, no indication of surface contamination or new phase formation was detected during ODP or calcination. The catalytic performances of both mixtures are explained in the light of these results.

Document type Communication à un colloque (Conference Paper) – Présentation orale avec comité de sélection
Access type Accès restreint
Publication date 1997
Language Anglais
Conference "XIIIth International Symposium on the Reactivity of Solids", HAMBURG(Germany) (Sep 08-12, 1996)
Journal information "Solid State Ionics" - Vol. 101, p. 737-742 (1997)
Peer reviewed yes
issn 0167-2738
e-issn 1872-7689
Publisher Elsevier Science Bv (Amsterdam)
Affiliation UCL - Autre
Keywords Reaction ; Solid State ; Mg-v-o-sb Catalysts
Links
Bibliographic reference Carrazan, SRG ; Peres, C. ; Ruwet, Marie ; Ruiz, Patricio ; Delmon, Bernard. Solid state reaction in Mg-V-O-Sb catalysts.XIIIth International Symposium on the Reactivity of Solids (HAMBURG(Germany), Sep 08-12, 1996). In: Solid State Ionics, Vol. 101, p. 737-742 (1997)
Permanent URL http://hdl.handle.net/2078.1/62585