Tm. Salama et al., REMARKABLE OXYGEN PROMOTION OF THE SELECTIVE REDUCTION OF NITRIC-OXIDE BY HYDROGEN OVER AU NAY AND AU/ZSM-5 ZEOLITE CATALYSTS/, Chemical communications, (1), 1997, pp. 105-106
A significant enhancement of the selective reduction of nitrogen oxide
by H-2 is produced in the presence of oxygen over Au/NaY and Au/ZSM-5
catalysts by forming NO2 and N2O4 intermediates, which are eventually
reduced to N-2.