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 |
Fig.2 XRD patterns for the reduced Co/Al2O3 as well as those phosphided by PPh3 at different temperatures for 36 h |