石腦油催化裂解的研究.pdf

1、中國石油大學(xué)（華東）碩士學(xué)位論文石腦油催化裂解的研究姓名：王洪剛申請學(xué)位級別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：楊朝合20080501StlldiesonCatalyticCrackingofNaphthaWangHong—gang(Chemical7rechnology)DirectedbyProfessorⅥmgChaoheAbstractWiththerapiddeVelopmentof910baleconomy，petrochemic

2、alindustUhasbeeninah逕h‘speedgro卅hperiodInrecentyears，mer印id掣oⅢhindemandforpropylenederiVatiVesespeciallyforpolypropylenestimulatestlledr鋤aticincreaseindemandforpropylenein910balscaleAtpresent，theprimarysourceofpropylenei

3、straditionalste鋤crackingofnaphthaaIldFluidcatal如ccracking，andSte鋤crackingprobablyaccountsformorethall60percentintotalproductionc印acit)，With34percemofF1uidcatalyticcrackingInrecentyearsthecatalyticcrackingincreasingtheyie

4、ldofpropylenecraftobtainedarapidlyexpand，becauseofhaVingextensivefeedStockssourceandlowproductioncostadvantagesInsomeente印rises，naphthamaybeusedaScatalyticcrackingfeedstockButthestudyoncatalyticcrackingofnaphthaforincrea

5、Singlowcarbon01efinhasbeenrarelyreponedThecatal”iccrac虹ngofn印hmawaSexploredonthepilotnuidcatalyticcrackingriserreactorInnuenceofoperatingconditionstemperanlre，residencetime，catalysttooilratioorwate卜oilratioonnaphthaconVe

6、rSionandproductdistributionwasinvest培ated；t11eotherthreewerekeptunchangedTheresultsshowthatmaximumpropyleneyieldsofnaphthacatal”iccracl(ingachieVedat1722％，、ⅣhenLTB2catalystwaSused，residencetimewascontrolledat34s，catalyst

7、tooilratioatl2，temperatureat600℃andwithoutatomizationwaterwasinjectedAttheconditions，yieldsofdrygasandcokeachieved1669％aJld182％，conVersionofn印hthaachieved5106％TheimpactofcatalyStsonn印hthacatal”iccrackingwasinVestigatedTh

8、etemperaturewaskeptat570℃，catalysttooilratioat12andwithoutatomizationwaterwasiniected，thenn印hthaconVersionandproductdistributionwereinVestigatedrespectivelywithL1B一2，LCC2andMLC500catalystattheresidencetimeof26s，3Osand35s

9、TheresultsshowthatwhenLTB一2catalyStwasusedmaximumpropyleneyieldsachievedat1619％Atthes姍econdition，yieldsofdrygasandcokeachieved1097％and109％，conversionofnaphthaachieVed444‘％AnadditivesproducedinwasaddedintheLTB一2catalystwi

10、th20percent，comparedwithpureLTB一2catalystatthes鋤ereactionconditions，theconversionofnaphthawasincreased47percentagepoints，propyleneyieldfelt577percentagepoint，cokeyieldachieved1802％Thecatal”iccrackingcharacteristicsofnaph