Research Article
Phase Composition of Ni/Mg1−xNixO as a Catalyst Prepared for Selective Methanation of CO in H2-Rich Gas
Table 4
Effect of calcination temperature (
= 400°C~800°C) on phase composition of the catalysts 30%Ni/
-
-800.
| | Tc (°C) | | Phase composition (wt%) |
DR (%) |
Ni
(200) (nm) |
Ni/Mg atomic ratio | | (Å) | (nm) | | Ni | Error | Fitted | Feed |
| | 400 | 0.1094 | 4.2086 | 47.7 | 90.53 | 9.47 | 0.17 | 41.8 | 11.3 | 0.211 | 0.203 | | 600 | 0.1166 | 4.2087 | 47.4 | 92.76 | 7.24 | 0.20 | 33.6 | 11.5 | 0.199 | 0.203 | | 800 | 0.1393 | 4.2070 | 54.5 | 97.03 | 2.97 | 0.20 | 14.4 | — | 0.189 | 0.203 |
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