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Titolo:
Amorphous vanadium phosphate catalysts from supercritical antisolvent precipitation
Autore:
Hutchings, GJ; Bartley, JK; Webster, JM; Lopez-Sanchez, JA; Gilbert, DJ; Kiely, CJ; Carley, AF; Howdle, SM; Sajip, S; Caldarelli, S; Rhodes, C; Volta, JC; Poliakoff, M;
Indirizzi:
Cardiff Univ, Dept Chem, Cardiff CF10 3TB, S Glam, Wales Cardiff Univ Cardiff S Glam Wales CF10 3TB ardiff CF10 3TB, S Glam, Wales Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England Univ Nottingham Nottingham England NG7 2RD , Nottingham NG7 2RD, England Univ Liverpool, Dept Engn Mat Sci & Engn, Liverpool L69 3BX, Merseyside, England Univ Liverpool Liverpool Merseyside England L69 3BX , Merseyside, England Inst Rech Catalyse, CNRS, F-69626 Villeurbanne, France Inst Rech CatalyseVilleurbanne France F-69626 9626 Villeurbanne, France
Titolo Testata:
JOURNAL OF CATALYSIS
fascicolo: 2, volume: 197, anno: 2001,
pagine: 232 - 235
SICI:
0021-9517(20010125)197:2<232:AVPCFS>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
N-BUTANE; PYROPHOSPHATE CATALYSTS; SELECTIVE OXIDATION; MALEIC-ANHYDRIDE; OXIDE CATALYSTS; SURFACE; TRANSFORMATION; ACRYLONITRILE; AMMOXIDATION; XPS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Hutchings, GJ Cardiff Univ, Dept Chem, POB 912, Cardiff CF10 3TB, S Glam, Wales Cardiff Univ POB 912 Cardiff S Glam Wales CF10 3TB am, Wales
Citazione:
G.J. Hutchings et al., "Amorphous vanadium phosphate catalysts from supercritical antisolvent precipitation", J CATALYSIS, 197(2), 2001, pp. 232-235

Abstract

Crystalline vanadium phosphate catalysts (VPO) are the only example of a commercial heterogeneous partial oxidation catalyst for the activation of alkanes. The origin of activity is generally accepted as being associated with the crystallinity of the compounds. Here we describe a new preparative route to VPO using antisolvent precipitation with supercritical CO2 to generate amorphous microspheroidal VPO, which produces a material with an activity per unit area comparable to those of conventional crystalline VPO catalysts. This finding throws doubt on the currently accepted view for the originof the activity of VPO catalysts and the role of crystalline phases. (C) 2001 Academic Press.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 06:13:44