Abstract
The effects of the rhodium (oxidation) state on the activity and selectivity for the crotonaldehyde hydrogenation reaction over Rh/Al2O3 and Rh/SiO2 catalysts were examined using the techniques of temperature-programmed reduction, hydrogen chemisorption and X-ray absorption near-edge structure (XANES). In the alumina-supported system, the active phase-support interaction is shown to affect the chemical behavior of rhodium under the influence of a reductive atmosphere by stabilizing Rh3+ species. This behavior is not observed (as expected) for Rh/SiO2 catalysts. The structural and electronic bases of the active phase-support interaction and the effect of the latter phenomenon on the hydrogenation of crotonaldehyde are discussed.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
P. Gallezot, A. Giroir-Frendler and D. Richart, in: Catalysis of Organic Reactions, ed. W. Pascoe (Dekker, New York, 1991).
S. Nishiyama, T. Kubota, K. Kimura, S. Tsuruya and M. Masai J. Mol. Catal.A120 (1997) L17.
M. English, V.S. Ranade and J.A. Lercher, J. Mol. Catal. A 121 (1997) 69.
T.B.L.W. Marinelli, V. Ponec, C.G. Raab and J.A. Lercher, in: Heterogeneous Catalysis and Fine Chemicals III, Stud. Surf. Sci. Catal., Vol. 78 (1993).
V. Ponec and G.C. Bond, Catalysis by Metals and Alloys (Elsevier, Amsterdam, 1995).
M. English, A. Jentys and J.A. Lercher, J. Catal. 166 (1997) 25.
M.A. Vannice and B. Sen, J. Catal. 115 (1989) 65.
Z. Poltarzewski, S. Galvano, R. Pietropaolo and P. Staiti, J. Catal. 102 (1986) 190.
R. Burch, P.K. Loader and N.A. Cruise, Appl. Catal. A 147 (1996) 375.
J.G. Chen, M.L. Colaianni, P.J. Chem, J.T. Yates Jr. and G.B. Fischer, J. Phys. Chem. 94 (1990) 5059.
D.D. Beck, T.W. Capehart, C. Wong and D.N. Belton, J. Catal. 144 (1993) 311.
D.J.C. Yates and E.B. Prestridge, J. Catal. 106 (1987) 549.
D.D. Beck and C.J. Carr, J. Catal. 144 (1993) 296.
M. Fernández-García, C. Márquez-Alvarez and G.L. Haller, J. Phys. Chem. 99 (1995) 12565.
E.R. Malinowsky, Factor Analysis in Chemistry (Wiley, New York, 1991).
C. Márquez-Alvarez, I. Rodríguez-Ramos, A. Guerrero-Ruiz, G.L. Haller and M. Fernández-García, J. Am. Chem. Soc. 119 (1997) 2905.
K. Lu and B.J. Tatarchuk, J. Catal. 106 (1987) 166.
R.W. Wyckhof, Crystal Structures (Wiley, NewYork, 1963).
A. Martínez-Arias, J. Soria and J.C. Conesa, J. Catal. 168 (1997) 364.
Y. Wu and D.E. Ellis, J. Phys. Condens. Matter 7 (1995) 3973.
T.K. Sham, Phys. Rev. B 31 (1985) 1888.
G.M. Nuñez, A.R. Patrignani and A.J. Rouco, J. Catal. 98 (1986) 554.
Rights and permissions
About this article
Cite this article
Ferreira-Aparicio, P., Bachiller-Baeza, B., Rodríguez-Ramos, I. et al. Correlation between metal oxidation state and catalytic activity: hydrogenation of crotonaldehyde over Rh catalysts. Catalysis Letters 49, 163–167 (1997). https://doi.org/10.1023/A:1019009422572
Issue Date:
DOI: https://doi.org/10.1023/A:1019009422572