The high temperature reduction at 773 K of Rh-CeO2 catalysts induced a transient Rh-CeO2 interaction which enhances the rate of CO and CO2 hydrogenation; however, the activity dropped rapidly as a result of formation of water, which reoxidised CeO2 - x, restoring the normal behaviour.
CO and CO2 Hydrogenation in Transient Conditions over Rh/CeO2: Novel Positive Effect of Metal-Support Interaction on Catalytic Activity and Selectivity
TROVARELLI, Alessandro;DE LEITENBURG, Carla;DOLCETTI, Giuliano
1991-01-01
Abstract
The high temperature reduction at 773 K of Rh-CeO2 catalysts induced a transient Rh-CeO2 interaction which enhances the rate of CO and CO2 hydrogenation; however, the activity dropped rapidly as a result of formation of water, which reoxidised CeO2 - x, restoring the normal behaviour.File in questo prodotto:
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