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1、76石油炼制与化工2014年第45卷2002—-06—。183894—3908[I3]GiovanniB,OlivierLH,MarcoM,eta1.Designandoptimi—[17]MazzottiM,StortiG,MorbidelliM.Optimaloperationofzationofasimulatedmovingbedunit:Roleofdeviationsfromsimulatedmovingbedunitsfornonlinearchromatographicequilibriumtheory[J].JournalofCh
2、romatographyA,2000,separations[J].JournalofChromatographyA,1997,769:3-24876:3-15[18]GrosfilsV,LevrieC,KinnaertM,eta1.Onsimplifiedmodel—[14]PedroSG,Rodrigues.OutletstreamswingsimulatedmovingingapproachestoSMBprocesses[J].Computers&Chemicalbed:Separationandregenerationregionsana
3、lysis[J].Separa—Engineering,2007,31(3):196—205tionScienceandTechnology,2010,45(16):2259—2272[19]刘纪昌,沈本贤.正构烷烃含量对裂解烯烃收率的影响及乙[15]陈川川,鲍乐云,阮小波,等.模拟移动床色谱线性分离过程烯裂解的原料调配[J].华东理工大学学报,2006,32(5):的建模和数值分析[J].化学工程与装备,2010(7):15-16535539[16]GrosfilsV,LevrieC,KinnaertM,eta1.Asystematicap—[2
4、O]张承聪,马翔,杨文凡,等.高分辨气相色谱法快速测定汽油proachtoSMBprocessesmodelidentificationfrombatchex—辛烷值[J].云南大学学报(自然科学版),1999,21(4):291—periments[J].ChemicalEngineeringScience,2007,62(15):293,296ADSoRPTIoNSEPARATIoNoFNoRMALPARAFFINSFRoMNAPHTHABYSIMULATEDMoVINGBEDBASEDoNMoLECULE—SCALEMANAGEMENTLiu
5、Juntao,NiTengya,LiuJichang,ShenBenxian(StateKeyLaboratoryofChemicalEngineering,EastChinaUniversityofScienceandTechnology,Shanghai200237)Abstract:Basedonmolecule—scalemanagement,using5Amoleculesieveasadsorbent,aliquid—phasesimulatedmovingbed(SMB)technologywasusedtoseparatenorma
6、lparaffinsfromnaphtha.Therulesofseparationprocessandeffectsofcirculationratio,distributionratioanddesorbent/naphthaflowratioontheseparationperformanceofSMBwereinvestigated.Under2.0MPa。170℃。LHSVof0.024h一andswitchingtimeof900S,theoptimaloperatingconditionsare:desorbent/naphthara
7、tioof4,circulationratioof2.25anddistributionratioof3.00.Forthefeednaphthawiththenormalparaffincontentof31.95,thecontentofnormalparaffinsindesorptionoiIreaches87.76,andthecontentofnon—normalparaffinsintheraffinateis97.83.Comparedwiththenaphthafeed,theethyleneyieldincreasesby13.
8、1percentagepointsusingthedesorptionoilasasteamcrackingfeed;RO
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