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.1 Differential heat versus coverage for the adsorption of CO at 308 K on the CoP/Al2O3,Co2P/Al2O3 and Co9S8/Al2O3 catalysts ( The samples were re?reduced at 673 K in H2 for 2 h and then evacuated at 673 K for 1 h before the adsorptions)