Hydrotreatment method of mixed C4 raw materials

The invention relates to a hydrotreatment method of refinery plant mixed C4 raw materials. A palladium-silver hydrogenation catalyst and a fixed bed reactor are used; the hydrogenation process conditions are as followings: the liquid volume airspeed is 2.0 to 10.0h; the inlet temperature of the reactor is 30 to 80 DEG C; the reaction pressure is 1.0 to 2.0 MPa; the mole ratio of hydrogen to butadiene is (1.1 to 3):1; the used palladium-silver hydrogenation catalyst uses nickel-containing aluminum oxide with specific crystal form as a carrier and palladium as an active ingredient; through being metered by using the catalyst weight as 100 percent, the palladium content (being metered by simple substances) is 0.05 to 0.5 weight percent; the nickel content (being metered by simple substances) is 1.0 to 4.0 weight percent; silver oxide accounts for 0.15 to 2.8 weight percent; alkali metal and/or alkaline-earth metal oxide accounts for 0.5 to 5.0 weight percent. Under the application method and process conditio