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The kinetics of the NO+CO reaction from 433 to 573 K were studied over supported Pd with and without ceria promotion. In addition, temperature-programmed desorption (TPD) of products formed from preadsorbed NO was performed. For the ceria-promoted samples, the interface between Pd and ceria was changed by varying particle size and the amount of ceria postdeposited on the Pd particles. The Pd particle...
The kinetic parameters of the NO+CO and N 2 O+CO reactions over alumina-, ceria/alumina-, and lanthana/alumina-supported Rh and Pd were determined from 425 to 625 K. For NO+CO, the presence of ceria and lanthana affected activity, apparent activation energy, dinitrogen selectivity, and reaction orders to varying degrees over both Pd and Rh. The turnover frequency (based on H 2 chemisorption)...
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