Abstract
Hydroformylation of ethylene and CO hydrogenation were studied over cobalt-based catalysts derived from reaction of Co2(CO)8 with ZnO, MgO and La2O3 supports. At 433 K a similar activity sequence was reached for both reactions: Co/ ZnO > Co/La2O3 > Co/MgO. This confirms the deep analogy between hydroformylation and CO hydrogenation into alcohols. In the CO hydrogenation the selectivity towards alcohol mixture (C1-C3) was found to be near 100% at 433 K for a conversion of 6% over the Co/ZnO catalyst; this catalyst showed oxo selectivity higher than 98% in the hydroformylation of ethylene. Magnetic experiments showed that no metallic cobalt particles were formed at 433 K. It is suggested that the active site for the step that is common to both reactions is related to the surface homonuclear Co2+/[Co(CO)4]− ion-pairing species.
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S. Uchiyama, Y. Obayashi, M. Shibata, T. Uchiyama, N. Kawata and T. Konishi, J. Chem. Soc. Chem. Commun. (1985) 1071.
J. Llorca, P. Ramírez de la Piscina, N. Homs, E. Brum Pereira P. Moral and G.A. Martin,Proc. 4th Int. Natural Gas Symposium, South Africa, 19–23 November 1995, Studies in Surface Science and Catalysis (Elsevier, Amsterdam), to be published.
M.K. Niemelä, A.O.I. Krause, T. Vaara and J. Lahtinen, Topics Catal. 2 (1995) 45.
D.A. Storm, Topics Catal. 2 (1995) 91.
P. Chaumette, Ph. Courty, A. Kiennemann and B. Ernst, Topics Catal. 2 (1995) 117.
C. Mirodatos, E. Brum Pereira, A. Gomez Cobo, J.A. Dalmon and G.A. Martin, Topics Catal. 2 (1995) 183.
A. Gomez Cobo, N. Mouaddib, J.A. Dalmon, C. Mirodatos, M. Primet, P. Chaumette and Ph. Courty, in:Natural Gas Conversion, eds. A. Holmen et al. (Elsevier, Amsterdam, 1991) p. 257.
K. Takeuchi, T. Hanaoka, T. Matsuzaki, M. Reinikainen and Y. Sugi, Catal. Lett. 8 (1991) 253.
J. Llorca, N. Homs, J. Sales and P. Ramirez de la Piscina, J. Mol. Catal. A 96 (1995) 49.
N. Homs, A. Choplin, P. Ramirez de la Piscina, L. Huang, E. Garbowski, R. Sanchez-Delgado, A. Théolier and J.-M. Basset, Inorg. Chem. 27 (1988) 4030.
J. Llorca, N. Homs, J. Sales and P. Ramirez de la Piscina, unpublished.
P.W. Selwood,Chemisorption and Magnetization (Academic Press, New York, 1975).
M. Primet, J.A. Dalmon and G.A. Martin, J. Catal. 46 (1977) 25.
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Llorca, J., Barbier, A., Martin, G.A. et al. Selective synthesis of alcohols from syngas and hydroformylation of ethylene over supported cluster-derived cobalt catalysts. Catal Lett 42, 87–91 (1996). https://doi.org/10.1007/BF00814471
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DOI: https://doi.org/10.1007/BF00814471