反应精馏塔的优化设计外文文献

反应精馏塔的优化设计外文文献

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1、学校代码:10128学号:201220506019题目:DN1800脱丁烷精馏塔设计学生姓名:袁浩楠学院:化工学院系别:过控系专业:过程装备与控制工程班级:过控12-1班指导教师:耿清二O—六年六月OptimaIDesignofaReactiveDistillationCoIumnEdwinZondervan,MayankShah*andAndreB.deHaanEindhovenUniversityofTechnology,DepartmentofChemistryandChemicalEngineering,P.0.Box513,5600MB

2、,Eindhoven,theNetherlands,m.shah@tue.nlInthisworkwedevelopaMINLPmodelthatcanbeusedtooptimizethedesignofreactivedistillationcolumn.MINLPmodelisformulatedinGAMSinsuchawaythatitcanbesolvedlocallyandgiobally.IntheRDcolumnacomponentAisconvertedintoproductBwhilevapourandliquidareas

3、sumedtobeinequilibrium.Theobjectiveistofindadesignforthisprocessthatminimizesthetotalcosts(consistingofcapitalandoperationalcosts).Thedesignvariablesofinterestarethetotalnumberofstages,thenumberofreactivestages,thelocationofthereactivestages,thefeedtraylocationandtherefluxrat

4、io.Keywords:Reactivedistillation,Design,Optimization,MINLP1.IntroductionReactivedistillation(RD)isamaturedtechnologythatcombinesreactionandseparationinasingleprocessingunit.RDhasdistinctadvantages;normallytheequipmentismuchsmallerthanconventionalequipment,theenergyrequirement

5、sarelowerandtheconversionoftheproductishigherastheproductsareimmediatelyremovedbydistillation.Krishnaetal.(2002)giveamorecompleteoverviewofreactivedistillationHowever,designandcontrolofRDisacomplexprocess(Al-ArfajandLuyben(2000))•Especiallytheoptimaldesignofsuchasystemrequire

6、saccurateprocessmodelsthatleadtoacomputationallydemandingmathematicalproblem.Althoughtheproblemhasbeenstudiedinthescientificliterature,mostofthetimetheproposedmodelsarestrongsimplificationsofrealityandmostauthorsagreethatthemorccomplcxmodelscannotbesolvedtoglobaloptimality.In

7、JacksonandGrossmann(2001)anoptimizationapproachfortheoptimaldesignofareactivedistillationcolumnisproposed,whichshowsthatdisjunctiveprogrammingcanbeeffectivelyusedtohandletheresultingnonlinearoptimizationproblem.Thedesignofareactivedistillationcolumnisconcernedwithfindingtheto

8、talnumberoftraysofthecolumn,thenumberandlocationofreactivetrays,andt

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