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Titolo:
Site isolation for light hydrocarbons oxidation
Autore:
Volta, JC;
Indirizzi:
Inst Rech Catalyse, CNRS, F-69626 Villeurbanne, France Inst Rech CatalyseVilleurbanne France F-69626 9626 Villeurbanne, France
Titolo Testata:
TOPICS IN CATALYSIS
fascicolo: 2-4, volume: 15, anno: 2001,
pagine: 121 - 129
SICI:
1022-5528(2001)15:2-4<121:SIFLHO>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
N-BUTANE OXIDATION; PHOSPHORUS OXIDE CATALYSTS; P-O CATALYSTS; MALEIC-ANHYDRIDE; SELECTIVE OXIDATION; VANADYL PYROPHOSPHATE; VPO CATALYSTS; REFERENCE PHASES; IN-SITU; VPO/TIO2 CATALYST;
Keywords:
ethane; n-butane; oxidation; vanadium; molybdenum; phosphorus;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
54
Recensione:
Indirizzi per estratti:
Indirizzo: Volta, JC Inst Rech Catalyse, CNRS, 2 Ave Albert Einstein, F-69626 Villeurbanne, France Inst Rech Catalyse 2 Ave Albert Einstein Villeurbanne FranceF-69626
Citazione:
J.C. Volta, "Site isolation for light hydrocarbons oxidation", TOP CATAL, 15(2-4), 2001, pp. 121-129

Abstract

From consideration of several examples of catalytic oxide systems, it appears that the mild oxidation of light alkanes to oxygenates is controlled bythe local properties of the surface of oxides which favour the isolation of the active cation or of a controlled number of active sites. This appearsto be quite general on massic mixed oxides as well as on supported oxides. Two examples are given for n-butane oxidation to maleic anhydride on the VPO catalyst and for ethane oxidation to acetic acid on the VPMoO/TiO2 catalyst. This conclusion was reached by using several physicochemical techniques which are complementary and may distinguish the surface and the bulk properties of the catalytic oxides. As a consequence, the improvement of the performance of a catalytic oxide system and the discovery of new generation of catalysts will stem from the modification at short distance of the local environment of the active site.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 15/07/20 alle ore 14:22:37