Phase Composition of Ni/Mg_1−xNi_xO as a Catalyst Prepared for Selective Methanation of CO in H₂-Rich Gas

Figure 11

XRD patterns of the catalysts 30%Ni/-800 ( = 400°C~800°C) (a) and the locally enlarged XRD peaks of metallic Ni crystallites (b).

(a)

(b)