汽油改質(zhì)過程二烯烴的影響及其吸附脫除.pdf

1、汽油碩士學位論文改質(zhì)過程二烯烴的影響及其吸附脫除InfluenceofDialkeneonGasolineUpgradingandItsAdsorptiveRemoval作者姓名：肖焦垡學科、專業(yè)：催化化堂皇工程學指導完成號：教師：日期：大連理工大學DalianUniversityofTechnology汽油改質(zhì)過程二烯烴的影響及其吸附脫除InfluenceofDialkeneonGasolineUpgradingandItsAdsor

2、ptiveRemovalAbstractAtambienttemperatureandliquidconditions、theunsaturatedhydrocarbonscontainedi11thegasolinetakeplaceoxidationdecompositionpolymerizationandcondensationreactionandSOoninthepresenceofoxygenwhichgeneratega

3、solinegumInvariousunsaturatedhydrocarbons，themostunstablesubstanceareconjugateddiolefins，cyclicdiolefin(suehascycolopentadiene)andpolyeyclicaromatichydrocarbonswithsidechainsAsmallamountofthesehydrocarbonsinthegasolineCa

4、neasilygenerategumAlthoughthenatureofolefinsiSnotstabletheoxidationofolefinsiSslowerthandiolefmsAsmallamountofdiolefinsCanevenpromotesaturatedhydrocarbonstoforminggumDuringtheindustrialprocessofgasolineupgrading，theconte

5、ntofgumincreasesandtheendpointraises，whichaffectthequalityofgasolineHoweverthecausesandreactionmechanismhavenotbeenreportedbeforeTherefore，inthispapertheeffectofdiolefiusontheprocessofgasolineupgradingWasinvestigated，and

6、molecularsieveWasusedtemovediolefinsbyselectiveadsorptionCrackingCscontainslargeamountofdiolefinsInthispaper，theeffectofdiolefinsontheprocessofgasolineupgradingWasinvestigatedbyaddingCrackingC5intoFCCgasolineTheresultssh

7、owthat：Undertheinfluenceofdiolefins，ontheonehandthecapacityofdesulfurization，reducingolefinsandisomerizationdropsandthecapacityofaromatizationenhances，whichchangedtheratioofaromaticsandisoparaffinsOntheotherhand，thestabi

8、lityofreactionreduces11lerefore，itiSnecessarytemoveolefinsintheFCCgasolineMolecularsieveswereusedtemovediolefinsbyselectiveadsorptionTheeffectoftheolefincontentinrawmaterials，temperature，operatingpressureandfeedrateWasin

9、vestigatedmresultsshowthat：At100℃，10MPa25％volumecontentofhexeneinrawmatedalfeedrate20mLmandcarriergasflowrate30mL／hthecapacityofHZSM5forremovingdiolefinsbyselectiveadsorptioniSbestAt100℃06MPathevolumecontentofhexeneinraw

10、material25％thefeedrate20mL／handthecarriergasflowrate30mL／hthecapacityofFDO一1CforremovingdiolefinsbyselectiveadsorptionisbestComparativelyspeakingtheperformanceOfHZSM一5forremovingdiolefinsbyselectiveadsorptioni8besetKeyWo