低碳烯烴齊聚制α-烯烴的研究.pdf

1、西安石油大學(xué)碩士學(xué)位論文低碳烯烴齊聚制α烯烴的研究姓名：張國利申請學(xué)位級別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：褚雅志張君濤20080520英文摘要Subject：Speciality：Name：Instructor：Instructor：TheResearchofTheLowmolecularOiefinOiigomerizationtoAlphaolefinChemicalProcessZhangGuoliChuYazhiZhangJunt

2、aoABSTRACTAlpha—olefmwasimportantchemicalengineeringmaterial，andethyleneoligmerizationWaSthemostadvancedandthemostextensivelyappliedinproducingalpha—olefinComparedwithhomogeneouscatalystsystem，Heterogeneouscatalystsystem

3、tookonalotofmerits，such邪thelowerreactionpressure，ordinaryregenerationofcatalysts，easilyseparableproduceandSOonTherefore，alotofresearcheshadfocusedonheterogeneousoligomerizationreactionsofthelowercarbonolefininzeolitesInt

4、hispaperthereactionofethyleneoligomerizationinMZSM5loadingonesortofmetalcationandMIM2ZSM—5loadingtwosortsofdifferentmetalcationswascarriedonfixedbedmicroreactorResultsindicatedYbZSM一5IandZcZSM5werepreferablecatalystsofet

5、hyleneoligomerizationtoalphaolefinEspeciallyYbZSM一5Izeolitewasanexcellentcatalystofethyleneoligomerizationinmedianpressurebecauseits’higheractivitylongerstabilityhighercontentofolefinandselectivityofalphaolefinByelaborat

6、emeasuringreactionconditionsofethyleneoligomerizationinYbZSM5Izeolite，optimalparametersofethyleneoligomerizationinYbZSM51zeoliteWasfoundwhichwere6657％YbloadingcontentWHSV=125h一，300℃temperature，3OMPapressure，andn(Si／A1)=7

7、43(molrate)1kcatalystshowed1941g‘(kgCath)～activity，413％ethyleneconversion8561％olefinyield，and4624％selectivityofalphaolifinunderabovereactionconditionsBycharacterizationofcatalysts，theauthorconsideredactivesitesofYbZSM5Iz

8、eolitecouldbebotllmetalsitesandacidsitesActivityofYbZSM51zeoliteandselectivityofalphaolifinwerenearrelationwithpropertiesandamountofaboveactivesitesVelocityofadsorption，desorptionanddiffusionofethylenemoleculeandoligomer

9、moleculehadsignificantinfluencetoperformancesofethyleneoligomerizationYbZb—ZSM一5IandYa—ZcZSM一5inMI—M2ZSM5weretakenonexcellentperformanceofethyleneoligomerization，butactivityofcatalysts，contentofolefin，andselectivityofalp

10、haolefinwerealllowerthanMZSM5ⅢsstudyisausefulpracticeonheterogeneousprocessofethyleneoligomerizationtoalphaolefinsItalsoprovidessomeexperimentdatatofurtherdevelopheterogeneousprocessofethyleneoligomerizationKeyword：Ethyl