Research Progress in Catalytic Synthesis of Alkylation Gasoline by Functionalized Acidic Ionic Liquid
With the implementation of China Ⅵ vehicle emission standards,the clean gasoline produced by alkylation process has been paid more attention.The alkylation product of isobutane(C4)is an ideal blending component in gasoline,and the alkylation process using acidic ionic liquid catalysts have an obvious advantage in the production of high-octane alkylation gasoline.Based on the technical characteristic of ionic liquid catalysts,the paper introduces the effect of Bronsted(B)and Lewis(L)functionalized ionic liquid on C4 solubility and product selectivity during the alkylation process and the synergistic effect of B-L ionic liquid on enhancing butene isomerization and isobutane hydrogen transfer processes,and then emphatically discusses the relationship between structural functionalization adjustment of acidic ionic liquids and mass transfer of materials in C4 alkylation process.Additionally,the application of functionalized acidic ionic liquid in optimizing alkylation reaction are analyzed and reviewed,and its application in production of alkylation gasoline is also prospected,which can provide ideas for optimizing the design of ionic liquid catalyst.
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维普
