Selective propylene oxidation over a copper-tin oxide catalyst

The mixed oxide system of copper and tin and the active single oxide, Cu2O, were compared for reducibility of the copper ion, relative number and type of active sites, and reaction kinetics. The enhanced selectivity of the mixed oxides may result from the formation of highly selective sites at the e...

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Bibliographic Details
Published in:AIChE journal 1983-07, Vol.29 (4), p.625-631
Main Authors: Self, D. E., Oakes, J. D., White, M. G.
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
Kinetics and mechanisms
Organic chemistry
Reactivity and mechanisms
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Summary:The mixed oxide system of copper and tin and the active single oxide, Cu2O, were compared for reducibility of the copper ion, relative number and type of active sites, and reaction kinetics. The enhanced selectivity of the mixed oxides may result from the formation of highly selective sites at the expense of less selective sites. The reducibility of the copper ion in the mixture is influenced by the oxidation state of the tin ion. The reactant and product reaction orders are the same for both catalysts but the mixed oxides are more sensitive to inhibition by water. The catalyst composition affects the energetics of the reaction over the copper‐tin oxide catalysts.
ISSN:0001-1541
1547-5905
DOI:10.1002/aic.690290416