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