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 3
and consumed H
2 for TPR patterns over studied catalysts.
| | Samples | (°C) | H2 consuming (mmol g−1) | Total H2 consuming for first three peaks (mmol g−1) |
| | 7 wt% Ni/AC (7 Ni/AC) | 231.3 | 0.33 | 2.62 | | 277.6 | 0.86 | | 357.4 | 1.43 | | 489.4 | 4.97 | — | | 579.8 | 1.88 |
| | 7 wt% Ni/Ce0.2Zr0.8O2/AC (7 Ni/CeZrAC) | 260.6 | 0.34 | 3.54 | | 290.7 | 1.66 | | 345.1 | 1.54 | | 504.7 | 2.72 | — | | 577.2 | 1.88 |
| | Ce0.2Zr0.8O2 | 428.1 | 0.09 | 0.64 | | 548.1 | 0.24 | | 614.2 | 0.31 |
| | AC | 637.7 | 0.80 | 1.65 | | 693.0 | 0.85 |
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