新型磷化钴和硫化钴催化剂的制备及其在加氢精制反应中的活性
|
|
|
Preparation of new cobalt phosphide and sulfide catalysts for the hydrotreating reactions
|
|
Yamei Yuan, Hui Chen, Danyang Zhao, Chi Wu, Jiao Geng, Jianyi Shen
|
|
| |
Table 1 Textural and structural properties of the catalysts studied
|
|
| Sample | Co/ Al2O3 | Co2P/ Al2O3 | CoP/ Al2O3 | Co9S8/ Al2O3 |
|---|
| SBET (m2·g-1) | 161 | 136 | 113 | 120 | | Pore volume (cm3·g-1) | 0.5 | 0.5 | 0.5 | 0.4 | | Pore size (nm) | 9 | 15 | 17 | 15 | | XRD phase | Co | Co2P | CoP | Co9S8 | | DXRD (nm) | 3.0 | 8.1 | 8.7 | 5.1 | | O2 uptake (μmol·g-1) | 4030 | – | – | – | | Reducibility (%) | 65.7 | – | – | – | | Dispersion (%) | 32 * | – | – | – | | CO uptake (μmol·g-1) | – | 69 | 76 | 169 | | CO ads. Heat (kJ·mol-1) | – | 103 | 92 | 107 |
|
|
|