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Titolo:
STRUCTURE AND CATALYTIC ACTIVITY CHARACTERIZATION OF BISMUTH MOLYBDATE CATALYSTS
Autore:
GALVAN DH; FUENTES S; AVALOSBORJA M; COTAARAIZA L; CRUZREYES J; EARLY EA; MAPLE MB;
Indirizzi:
UNAM,INST FIS,A POSTAL 2681 ENSENADA 22800 BAJA CALIFORNIA MEXICO UABC,FAC CIENCIAS QUIM TIJUANA 22100 BAJA CALIFORNIA MEXICO UNIV CALIF SAN DIEGO,DEPT PHYS LA JOLLA CA 92093 UNIV CALIF SAN DIEGO,INST PURE & APPL PHYS SCI LA JOLLA CA 92093
Titolo Testata:
Catalysis letters
fascicolo: 3, volume: 18, anno: 1993,
pagine: 273 - 281
SICI:
1011-372X(1993)18:3<273:SACACO>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
AMMOXIDATION; OXIDATION;
Keywords:
BISMUTH-MOLYBDATE CATALYSTS; CHARACTERIZATION OF BISMUTH MOLYBDATES;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
12
Recensione:
Indirizzi per estratti:
Citazione:
D.H. Galvan et al., "STRUCTURE AND CATALYTIC ACTIVITY CHARACTERIZATION OF BISMUTH MOLYBDATE CATALYSTS", Catalysis letters, 18(3), 1993, pp. 273-281

Abstract

We present a study of Bi-Mo catalysts prepared from pure oxides (MoO3and Bi2O3) by solid state reaction methods. The structure characterization by X-ray diffraction shows only the low temperature (koechlinite) and high temperature (gamma(H)) phases in varying proportions depending on the calcination temperature. The carbon monoxide oxidation shows a synergetic effect for mixed oxides as compared to pure oxides. Significant differences in catalytic activity, surface morphology and surface concentration were observed when the molybdenum precursor was changed from molybdenum trioxide to ammonium heptamolybdate in the catalyst preparation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 04:00:21