催化蒸餾法制乙苯工藝研究.pdf

1、東北大學(xué)碩士學(xué)位論文催化蒸餾法制乙苯工藝研究姓名：彭璇申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：張吉瑞2000.9.1一壘堡蘭!墾壘里!——_，—_————————‘————_——————_——_—————^——————————_——_————————————一ABSTRACTThispaperstudysthesynthesisofethylbenzenebycatalyticdistillationprocessoverFX一02c

2、atalystFirstly，catalyticdistillationprocessaresimulatedbyTomiehmethodinthereactivesystemofbenzeneandpureethyleneThecalculatedresultsarecomparedwithexperimentresultsandgoodagreementisobtainedThesuitablereactiveconditionsw

3、ithpureethyleneandbenzeneareexplored：packingfraction20～25％，pressure10～1latm，benzeneWHSV2～35h一，molarratioofbenzenetoethylene22～25，refluxratio5～10，theingressofbenzeneisinthetopofreactivesect，theingressofethyleneisinthetopo

4、fstrippingSectUndertheseconditions，boththeconversionofethyleneandtheselectivityofethylbenzeneareabove95％ForthesimulationofcatalyticdistillationprocessinthesystemofbenzeneandanalogFCCoft：gas，theTomichmethodshowsrapidandst

5、ableconvergencehowever，largeerrorisexistentbetweenthecalculatedresultsandexperimentresultsandthearithmeticiSawaitedtobeimprovedonInaddtion，thereisnOconvergencebythebubblepointmethodSecondly，thesuitablereactiveconditionsw

6、ithanalogFCCoffgasandbenzeneareachievedbytheexperiments：packingfraction20～25％，molarfractionofethyleneintheanalogFCCoffgas12～16％，pressure17～20MPa，ethyleneWHSVO2783h～。molarratioofbenzenetoethylene25，reactivetemperature155～