EFFECT OF THE SUPPORT AND ADDED OXIDES ON THE BISTABILITY OBSERVED INTHE OXIDATIVE DEHYDROGENATION OF 2-PROPANOL OVER COPPER-SUPPORTED CATALYSTS

Authors
GIL A RUIZ P DELMON B
Citation
A. Gil et al., EFFECT OF THE SUPPORT AND ADDED OXIDES ON THE BISTABILITY OBSERVED INTHE OXIDATIVE DEHYDROGENATION OF 2-PROPANOL OVER COPPER-SUPPORTED CATALYSTS, Catalysis today, 32(1-4), 1996, pp. 185-191
Citations number
17
Categorie Soggetti
Engineering, Chemical","Chemistry Applied","Chemistry Physical
Journal title
Catalysis today → ACNP
ISSN journal
09205861
Volume
32
Issue
1-4
Year of publication
1996
Pages
185 - 191
Database
ISI
SICI code
0920-5861(1996)32:1-4<185:EOTSAA>2.0.ZU;2-R
Abstract
A bistability phenomenon has been observed in the oxidative dehydrogen ation of 2-propanol over supported copper catalysts. Cu/Al2O3 and Cu/C eO2 have been prepared by room temperature adsorption of the copper am ino complex on the supports. The comparison of the hysteresis observed when the partial pressure of oxygen is varied, indicates that there i s an important effect of the support. This effect is explained by the variation in specific surface areas of the supports and in their reduc ibilities. The possible influence of a second phase (alpha-Sb2O4, SnO2 , Bi2O3 and NiO) added to the copper catalysts has also been studied.