Research Article
The Impact of Ce-Zr Addition on Nickel Dispersion and Catalytic Behavior for CO2 Methanation of Ni/AC Catalyst at Low Temperature
Table 1
Lattice parameters from XRD results and crystallite size of Ni (
) from Scherrer equation.
| | Catalyst samples | | | | | (nm) |
| | 7 Ni/AC | Cubic | 3.5350 | 3.5350 | 3.5350 | 21.82 | | 7 Ni/CeZrAC: | | | | | | | (i) Ni particle | Cubic | 3.5240 | 3.5240 | 3.5240 | 17.39 | | (ii) Ce0.2Zr0.8O2 | Tetragonal | 3.6325 | 3.6235 | 5.2288 | 8.78 | | Pure Ce0.2Zr0.8O2 | Tetragonal | 3.6325 | 3.6325 | 5.2288 | 7.43 |
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