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

Table 3

Effect of feed Ni/Mg ratio ( = 10%~40%) on phase composition of the catalysts Ni/-400-800.

(%)				Phase composition (wt%)			DR (%)	Ni; (200) (nm)	Ni/Mg atomic ratio
		(Å)	(nm)		Ni	Error			Fitted	Feed
10	0.0098	4.2124	44.0	95.99	4.01	0.14	74.7	12.2	0.039	0.070
20	0.0602	4.2105	43.9	93.54	6.46	0.19	45.3	13.9	0.117	0.137
30	0.1094	4.2086	47.7	90.53	9.47	0.17	41.8	11.3	0.211	0.203
40	0.1548	4.2066	45.1	90.05	9.95	0.19	35.7	13.3	0.285	0.262