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FCC汽油分馏水洗选择性加氢回收甲醇醚化反应甲醇回收分馏醚化汽油()(LanzhouPetrochemicalCompany,CNPC,Lanzhou730060,China)Theoctanenumberwasoneofmainqualityindexesofgasoline.Improvementofgasolineoctanenumberandproducehighqualitygasolinewasanimportanttaskforrefiningindustry.TheresearchprogressinthemethodsofimprovingoctanenumberofFCCgasolinewerereviewed,includedoptimizingoperationconditionsofcatalyticcrackingunit,addinggasolineoctanenumberpromotingagentandusingnewtechnologies.TheresearchdirectionofmethodsofimprovingoctanenumberofFCCgasolinewasprospected.FCCgasoline;octanenumber;optimizationoperation;etherification;hydrocarbonreform