At least some of the substantially asphaltene-free, and metal-free distillatefraction is converted to a hydrogen donor diluent.
至少部分基本上不含沥青质且不含金属的馏出馏分被转化成供氢体稀释剂。
2
The said catalyst can be used for hydrotreating process of fraction of petroleum, especially for hydrodesulphurization and hydrodenitrification process of middle distillate oil .