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Titolo:
Raman studies of supported V, Cr and Sb oxides and their mechanical mixture with alpha-Bi2Mo3O12
Autore:
Corberan, VC; Savkin, VV; Ruiz, P; Vislovskii, VP;
Indirizzi:
CSIC, Inst Catalisis & Petroleoquim, E-28049 Madrid, Spain CSIC Madrid Spain E-28049 atalisis & Petroleoquim, E-28049 Madrid, Spain Russian Acad Sci, NN Semenov Chem Phys Inst, Moscow 117334, Russia RussianAcad Sci Moscow Russia 117334 m Phys Inst, Moscow 117334, Russia Univ Catholique Louvain, Unite CATA, B-1348 Louvain, Belgium Univ Catholique Louvain Louvain Belgium B-1348 , B-1348 Louvain, Belgium AAS, Inst Inorgan & Phys Chem, Baku, Azerbaijan AAS Baku AzerbaijanAAS, Inst Inorgan & Phys Chem, Baku, Azerbaijan
Titolo Testata:
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
fascicolo: 1, volume: 158, anno: 2000,
pagine: 271 - 274
SICI:
1381-1169(20000908)158:1<271:RSOSVC>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
CATALYSTS; AMMOXIDATION;
Keywords:
Raman spectroscopy; alpha-Bi2Mo3O12; vanadium oxide catalysts; antimony oxide; chromium oxide;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Corberan, VC CSIC, Inst Catalisis & Petroleoquim, Campus UAM Cantoblanco, E-28049 Madrid, Spain CSIC Campus UAM Cantoblanco Madrid Spain E-28049 drid, Spain
Citazione:
V.C. Corberan et al., "Raman studies of supported V, Cr and Sb oxides and their mechanical mixture with alpha-Bi2Mo3O12", J MOL CAT A, 158(1), 2000, pp. 271-274

Abstract

The interaction between V-Sb or V-Cr-Sb oxides and alpha-Bi2Mo3O12 in mechanical mixtures during thermal treatments has been studied by laser Raman spectroscopy. Isolated V-Sb oxide and alpha-Bi2Mo3O12 remain unchanged up toabove 600 degrees C. When mixed, V-related bands start to disappear and Bi-Mo-related bands widen already at 600 degrees C indicating some kind of interaction between them. The presence of Cr2O3 in the mixture speed up this interaction, leading to the formation of a new Bi-Mo-V-O compound at temperatures below 600 degrees C. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 11/07/20 alle ore 21:10:06