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Effect of the support and added oxides on the bistability observed in the oxidative dehydrogenation of 2-propanol over copper-supported catalysts

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Gil, A. Ruiz, Patricio [UCL] Delmon, Bernard [UCL]

A bistability phenomenon has been observed in the oxidative dehydrogenation of 2-propanol over supported copper catalysts. Cu/Al2O3 and Cu/CeO2 have been prepared by room temperature adsorption of the copper amino complex on the supports. The comparison of the hysteresis observed when the partial pressure of oxygen is varied, indicates that there is an important effect of the support. This effect is explained by the variation in specific surface areas of the supports and in their reducibilities. The possible influence of a second phase (alpha-Sb2O4, SnO2, Bi2O3 and NiO) added to the copper catalysts has also been studied.

Document type Communication à un colloque (Conference Paper) – Présentation orale avec comité de sélection
Access type Accès restreint
Publication date 1996
Language Anglais
Conference "5th European Workshop Meeting on Selective Oxidation by Heterogeneous Catalysis", BERLIN(Germany) (Nov 06-07, 1995)
Journal information "Catalysis Today" - Vol. 32, no. 1-4, p. 185-191 (1996)
Peer reviewed yes
issn 0920-5861
e-issn 1873-4308
Publisher Elsevier Science Bv (Amsterdam)
Affiliation UCL - Autre
Keywords Oxidative Dehydrogenation ; 2-propanol Oxidative Dehydrogenation ; Bistability ; Copper-supported Catalysts ; Hysteresis Loops
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Bibliographic reference Gil, A. ; Ruiz, Patricio ; Delmon, Bernard. Effect of the support and added oxides on the bistability observed in the oxidative dehydrogenation of 2-propanol over copper-supported catalysts.5th European Workshop Meeting on Selective Oxidation by Heterogeneous Catalysis (BERLIN(Germany), Nov 06-07, 1995). In: Catalysis Today, Vol. 32, no. 1-4, p. 185-191 (1996)
Permanent URL http://hdl.handle.net/2078.1/62788