Table 2.
Textural properties of supported Cu catalysts.
| Entry | Catalysts | Cu (wt.%) a | Ni (wt.%) a | Al (wt.%) a | Ni/Al Molar Ratio a | SBET (m2·g−1) b | Volume (cm3·g−1) b | Dpore (nm) b |
|---|---|---|---|---|---|---|---|---|
| 1 | Cu/NiO | 12.6 | 64.8 | - | - | 228.7 | 0.28 | 4.35 |
| 2 | Cu/Al2O3 | 12.8 | - | 38.8 | - | 351.6 | 0.48 | 3.86 |
| 3 | Cu/Ni3AlOx | 12.3 | 48.4 | 7.2 | 3.1 | 254.7 | 0.39 | 5.69 |
| 4 | Cu/Ni1AlOx | 12.9 | 32.9 | 13.5 | 1.1 | 207.9 | 0.21 | 1.93 |
| 5 | Cu/NiO c | 11.6 | 71.3 | - | - | 79.4 | 0.13 | 4.94 |
| 6 | Cu/Al2O3 c | 11.3 | - | 36.0 | - | 168.0 | 0.32 | 3.86 |
| 7 | Cu/Ni3AlOx c | 12.0 | 49.4 | 7.5 | 3.0 | 125.5 | 0.19 | 4.96 |
| 8 | Cu/Ni1AlOx c | 12.3 | 39.6 | 16.6 | 1.1 | 162.4 | 0.20 | 3.86 |
a: The actual loadings of Cu, Ni and Al were evaluated by ICP-AES measurement; b: specific surface area (SBET), total pore volume, and average pore size were calculated from N2 physisorption isotherms; c: spent catalysts.