The catalysts used in single coal hydroliquefaction in-volve disposable, molybdenum and iron oxide, oil or water soluble andimpregnated type. CoMo/Al_2O_3, NiMo/Al_2O_3 and ammonium molybate hasbeen extensively used for coal liquefaction.

• 煤的一段加氢液化使用的催化剂有可弃性催化剂,铁和钼氧化物及溶于水或油的催化剂和浸渍催化剂,其中以Co-Mo/Al_2O_3,Ni-Mo/Al_2O_3和钼酸铵为最广泛;