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17120053JOURNALOFJIANGSUPOLYTECHNICUNIVERSITYVol117No11Mar12005:1005-8893(2005)01-0058-04X1,1,2(11,213016;21,210048):(DWC)20BASF40DWC,DWC30%,30%33,5DWCDWC,DWC:;;:TE624:A1DWC,,,,:[1];(--[2]);-:(PetlyukColumn);(ITCDIC)[3];(Dividingwallcol2umnDWC)[4,5]),DWCDWC,DWC,DWCPetlyuk,30%DWC,DWC,[68]DWC11[39]Table1Separatingthreecomponentsbydistillationcanbedoneinavarietyofarrangementswithoneortwotowers[39]3333222221114221111100%85%120%70%100%70%52%70%DWC3,13,1,DWC2,DWC,3,,,DWC,Lestak[9],,,,60%,30%DWCDWC,1,X:2004-08-28:(BK2001093;BK2004035):(1945-),,,,,,,DWC,,,DWCABC3,,B,DWC,DWCDWC,31,,2DWC211DWC3,1-,3,,,(),,,212DWC3,,,,,:;,,[9];,3311EricW.Luster1933DWC,US1915681[10]DWC,1DWC,,,DWCDWC,DWC1985,BASFKelloggKy2owaYukaSumitomoDWC40DWCBASF3KelloggBPDWC[11],,,50%Sumitomo6DWC[11],KyowaYuka,,99199%,,Sumitomo:,30%40%LindeAGSosol[12],107m,5mKruppVe2baOelCherron,,DWC,DWC951DWC,,[1317]DWC[1825],UOPUOP,9%Kellogg,20%,C41,3-C5C6C8,DWCUS6540907,TowlerFCCDWC,,DWC,:19762001,DWC33;20012004DWC31;21,DWC3124,2,2B2004-01-14CN1467202,,,HD(DMT)(CN1169421,1998-01-07),GCN1177513,,3DWC,DWC,DWC,70%80%DWC4DWC411DWC:DWC;DWC;DWC412DWC3,DWCDWC,,,,,,,,,DWC:2,6,,5,DWC,,,062005,DWC,,:[1]1[J]1[J],2004,33(2):170-1761[2],,1-[J]1,2000,12(3):46-491[3],1(I)[J]1,2000,51(3):421-4241[4]AbdulMutalibMI,SmithR.OperationandControlofDividingWallColumns[J].TransInstChemEng,PartA,ChemEngResDes,1998,76:308-334.[5]AgrawalR.MulticomponentDistillationColumnswithPartitionandMultipleReboilersandCondensers[J].IndEngChemRes,2001,40:4258-4266.[6]LestakF,CollinsC.AdvancedDistillationSavesEnergyandCap2ital[J].ChemEng,1997,104(7):72-761[7]MichaelA,Schultz,DouglasGStewart.ReduceCostswithDi2viding-WallColumns[J].CEP,2002,(5):64-711[8]ParkinsonG.TheDivideinDistillation[J].ChemEng,1999,106(4):32-351[9]BeckerH.PartitionedDistillationColumns-Why,When,andHow[J].ChemEng,2001,108(1):68-741[10]EricWLuster.ApparatusforPractionatingCrackedProducts[P].US:1915681,1933-06-271[11]ParkinsonG.DripandDropinColumnInternals[J].ChemEng,2000,107(7):27-311[12]Kaibel,Gerd,Stroezel.DividingWallColumnforContinuousFractionationofMulticomponentMixturesbyDistillation[P].US:5914012,1999-06-221[13]RustHarald,Kaibel,Gerd.DividingWallColumn[P].US:20010052453,2001-12-201[14]DeibeleLudwig,HeinzDieter.ProcessfortheMildDistillativeSeparationofMixtures[P].US:20040020757,2004-02-051[15]HarrisJamesW,VanZileCharlesP.DividingWallColumnControlSystem[P].US:6551465,2003-04-221[16]SteacyPaul.DividingWallColumnFractionationTray[P].US:6645350,2003-11-111[17]MeyerGerald,KaibelGerd,etal.MethodandDeviceforTreatingac4Fraction[P].US:20030181772,2003-09-251[18]MullerDirk,WagnerPaul.Preparationoftrimethylolpropane[P].US:20030139631,2003-07-241[19]BohnerGerd,IndlerKlaus.MethodandDeviceforObtaining1,3PureButadienefrom1,3RawButadienebyDistillation[P].US:20040045804,2004-03-111[20]GallMartin,KaibelGerd,KrugThomas.MethodandDevicefortheDistillativeProcessingof1,6-Hexandiol,1,5-Penta2diolandCaprolactone[P].US:20040040829,2004-03-041[21]KaibelGerd,OostCarsten.MethodandDeviceforCarryingOuttheDistillativeSeparationofc5+Cuts[P].US:20040011706,2004-01-221[22]TowlerGavinP,SchultzMichaelA.FractionationforFullBoil2ingRangeGasolineDesulfurization[P].US:20030116474,2003-06-261[23]SchwabPeter,BreitscheidelBoris.PreparationofPropeneand,ifdesired,1-butene[P].US:20020197190,2002-12-261[24]KaibelGerd,WeckAlexander.MethodforDistillativeSepara2tionofMixturesContainingTetrahydrofuran,g(g)-Butyro2lactoneand/or1,4-Butanediol[P].US:20030106786,2003-06-121[25]AnsmannAndreas,Henkelmann.PreparationofHigherAlpha,Beta-UnsaturatedAlcohols[P].US:20020183565,2002-12-051StatusandDevelopmentTrendsofDividingWallColumnatHomeandAbroadQIUZhao-rong1,YEQing1,LICheng-yi2(1.DepartmentofChemicalEngineering,JiangsuPolytechnicUniversity,Changzhou213016,China;2.YangziPetrochemicalCo.Ltd.,Nangjin210048)Abstract:Thedividingwallcolumn(DWC)hasbeeninuseintheproductionofthechemicalindustryforthelast20years.DWCisnowconsideredtobeanacceptedtechnology(some40columnsinoperationatBASF)andisexpectedtogrowsteadilyinthenumberandvarietyofapplicationsinindustrialpractice.Investmentcostsarecutby30%,operatingcostsbyaround30%.Morethen33patentsinAmericaandmorethen5patentsinChinawereobtainedinthePetrochemicalField.Theprinciple,structure,energy-savingandkeytechnologyofDWCarereviewed.TheapplicationsandthepossibleapplicationsareasoftheDWCareintro2ducedandthefutureofapplicationsprospectoftheDWCispresented.Keywords:dividingwallcolumn;keytechnology;applicationprospect161