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Highly selective propene epoxidation with hydrogen/oxygen mixtures over titania-supported silver catalysts

MPG-Autoren
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Lange de Oliveira,  A.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Wolf,  A.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schüth,  F.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Zitation

Lange de Oliveira, A., Wolf, A., & Schüth, F. (2001). Highly selective propene epoxidation with hydrogen/oxygen mixtures over titania-supported silver catalysts. Catalysis Letters, 73(2-4), 157-160. doi:10.1023/A:1016641708074.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0024-4603-F
Zusammenfassung
Silver supported on titania was found to be active for propene epoxidation using hydrogen/oxygen mixtures at 50 °C. The dependence of the activity on the preparative method is pronounced, i.e., only catalysts prepared by using deposition–precipitation exhibit activity. Optimum performance was found for 2 wt% Ag/TiO2 calcined at 400 °C. The propene epoxidation activity, the activity in the low-temperature CO oxidation, in propane oxidation and deactivation behavior of these silver catalysts strongly resemble the results obtained for the Au/TiO2 catalysts developed by Haruta.