Oxidative Desulfurization of Gasoline Oil Using K2FeO4 Over SO42-/ZrO2 Solid Superacid

A catalyst comprising SO(4)(2-)/ZrO(2) superacid was prepared by impregnation and characterized by FT-IR, XRD, and BET. A novel procedure for oxidative desulfurization of simulated light fuel oil using K(2)FeO(4) over the SO(4)(2-)/ZrO(2) solid superacid was developed. The effects of the oxidantion and extraction conditions on desulfurization were investigated. At temperature of 30 degrees C, SZ of 0.2 g, K(2)FeO(4) of 0.2 g, reaction time of 1 h, 20 mL of oil is oxidized, followed by methanol extraction at 15 degrees C for 10 min with the volume ratio of solvent/oil of 1, the results display desulfurization rate for simulated light fuel oil and straight-run gasoline were 88.2% and 89.2%, respectively.