Abstract

Observations of the interactions of NO with CO and H 2 on a silica-supported Ru catalyst have been performed using infrared spectroscopy. The formation of an isocyanate species was found when NO reacted with preadsorbed CO. When NO and CO interacted with the surface simultaneously, N 2O and CO 2 were formed in addition to the isocyanate species. Mechanisms for the formation of the isocyanate structure, N 2O, and CO 2 are proposed and discussed. Results of the interaction of NO with hydrogen (as D 2) showed that adsorbed NO reacted with D 2 to produce species containing ND and OD bonds.

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