The influence of sulfidizing conditions on the active metal structures and valences distribution of hydrocracking catalysts have been studied by using high pressure continuous flow reactor, FT-IR and ESCA.

• 采用高压连续微反装置及X -射线光电子能谱 (ESCA)等仪器 ,考察了不同硫化条件对加氢裂化催化剂中活性组分的存在状态及价态分布的影响。