Fig. 4: Intermediate species and reaction mechanisms in different gas reaction conditions over RuPd/3DOMM-CZO catalyst.

Temperature-dependent in-situ DRIFT spectra (a) and corresponding contour projection results (d) of NO oxidation. Temperature-dependent in-situ DRIFT spectra (b) and corresponding contour projection results (e) of CH4 oxidation. Temperature-dependent in-situ DRIFT spectra (c) and corresponding contour projection results (f) of simultaneous NO and CH4 oxidation.