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

Table 1

Phase composition and specific surface area (SSA) of the samples NiO-MgO-.

Sample	SSA (m^2/g)	Phase composition (wt%)		Feed composition (wt%)
			NiO	MgO	NiO
10%NiO-MgO-400	73	98.13	1.87	88.52	11.48
20%NiO-MgO-400	55	98.08	1.92	79.77	20.23
30%NiO-MgO-400	40	97.63	2.37	72.67	27.33
40%NiO-MgO-400	38	97.81	2.19	67.31	32.69
30%NiO-MgO-600	40	>99.5	<0.5	72.67	27.33
30%NiO-MgO-800	26	~100	—	72.67	27.33