Figure 9

(a) Evolution of effluent NOx during lean–rich cycling tests over 2Pt/10 K/MgAlOx–rGO catalyst at 350 °C, and (b) evolution of effluent N2 and N2O during lean–rich cycling tests over 2Pt/10 K/MgAlOx–rGO catalyst at 350 °C.
(a) Evolution of effluent NOx during lean–rich cycling tests over 2Pt/10 K/MgAlOx–rGO catalyst at 350 °C, and (b) evolution of effluent N2 and N2O during lean–rich cycling tests over 2Pt/10 K/MgAlOx–rGO catalyst at 350 °C.