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2952002JOURNALOFBEIJINGUNIVERSITYOFCHEMICALTECHNOLOGYVol.29,No.5200212(1.,225200;2.,100029):,I.Dincer,,,,,:;;;:TK11:2002201210:(G2000026307):,1969,70,M.Tribus(Thermoeconomics,,Ex2ergieoeconomics)[1],,,[25],J.SwaanArons(Sustainabilityanalysis)[6],(TechnicalEn2ergySystem)[7],,,1(/kJ),,,,,,,,ISO13600,[7],1mp,mms(Utilities)mus,mw,mi=mms+mus-mp-mw=0(1)i-Iint=ms+us-p-w-Iint=0(2)Iint,21Cp,,(CmsCus)Cns()Cw,21,,Ci-Cp=Cms+Cus+Cns+Cw-Cp=0(3),Cms=Cms,e+Cms,ne(4),Cus=Cus,e+Cus,ne(5)RosenM.A.,[4]cRP(Removalpollutioncost),cEP(Environmentalpollutioncost),/,1cRPcEP1cRPcEP[4]Table1ValuesofcRPandcEPofpollutionsfromcoalburningcRP/(/GJ)cEP/(/GJ)SO211859155CO718528115CO2161951215NO201183150CH4191303105,,,[8]Ce,i=eqcEP(6)Ce,i=epcRP(6a)eq2[9],7000kcal/kg(29288kJ/kg),32000kJ/kg[9],cEP22Table2Equivalencecaloricvalueandenvironmentpollutioncostofsomeutilities[9]/kcal/kgcEP/(/GJ)kg900011290122526kWh2723013890168153kg01681571410-50100015,Cp=cpp(7)(3)(6),cp=1pCms+eq,icEP,i+Cns+Cw(8),323Fig.3Schematicofnormalpropylenedistillationprocess2113,;,();();,,4,022002,,,4Fig.4Schematicofheatpumppropylenedistillationprocess[10,11],,,212,AspenPlus,Lee2Kesler2PlÊcker,,[10,11],,348410l%(),213,Iint=ioutini+joutinwj+koutinT2T11-3Table3Simulationresultsofnormalpropylenedistillationprocess//MPa/(kg/h)x()/%/(GJ/kmol)58214240084102102914611920009915210056331192000991521005554119400215211494301194002152114921800133542010122900133542018014200000028014200000018014150002901415001801450003101450004Table4Simulationresultsofheatpumppropylenedistillationprocess//MPa/(t/h)x()/%/(GJ/kmol)2111021484102102734160192610991521005151611021099152100563230190141311211328016110241099152100532391142610991521005982811326109915210056420110261099152100560201102610991521005601611026109915210056310014251001601425100125:T0TQk(9)I=Iint+Iext(10)Iext,,,,,Iint=++--(11)Iint=--T2T11-T0TQ(12)Iint=-+T2T11-T0TQ(13)Iint=+W-(14),,,19142TJ4169TJ,,3,6166%,015%,,8000h,:016/;90/t;0115/t55Table5Comparisonofannualcostofequipmentandoperation()5130205130201380021551012422179331173416571100051657014050193600103001966113715,,;,,616%,6514%,,4312%,,6,1615%,6Table6Comparisonofannualenvironmentcost()/00100019511063/(kg/h)3542613836162600100011093/(kg/h)2020000124325000010307(6),,,1173/GJ4116/GJ,58141%;222002,3111/GJ12185/GJ,75180%,7Table7Comparisonofexergycostofproducts/TJ//(/GJ)//(/GJ)762139631173411691799121857921914113711173214643111/%561795814174185751804(1),I.DincerM.A.Rosen,(2)Lee2Kesler2PlÊcker,,AspenPlus20000t/(3),,1173/GJ4116/GJ,58141%;,,3111/GJ12185/GJ,75180%;(4),Cms,e,Cus,e,Ce,ii,Cns,Cms,ne,Cus,ne,Cms,Cp,Cus,Cw,cEP,/JcRP,/Jcp,/kJI,kJIext,kJIint,kJmms,kgmp,kgmus,kgmw,kgQkk,kWT0,KTkk,KWjj,kWhe,kJeq,kJii,kJms,kJp,kJus,kJ[1]El2SayedY,TribusM.Strategicuseofthermoeconomicsforsystemimprovement.In:GaggioliRA.EfficiencyandCosting:SecondLawAnalysisofProcesses[M].NewYork:ACS,1983[2]DincerI,RosenMA.Energy,environmentandsustain2abledevelopment[J].AppliedEnergy,1999,64(4):427-440[3]AyresRU,AyresLW,MartinasK.Exergy,wasteac2countingandlife2cycleanalysis[J].Energy,1998,23(5):355-363[4]RosenMA,DincerI.Exergyanalysisofwasteemission[J].IntJEnergyRes,1999,23(13):1153-1163[5],,.[J].,1998(6):24-29[6]BergMMD,KooiHJ,deSwaanAronsJ.Athermo2dynamicbasisforsustainability[R].ProcECOS99,325:Tokyo,1999.270-275[7]GB/T1778121999.2[S].1999[8],,,.[M].:,1990[9],.[M].:,1995[10].[J].,1993,24(3):37-42[11]JapaneseAssociationofMechanicIndustry.Heatpumpapplicationsindistillationsystem[M].Tokyo:JAMI,1991ExergioeconomicanalysisofpropylenedistillationwithheatpumpconsideringenvironmentalfactorsYAORi2yuan1ZHENGDan2xing2(1.YangzhouPetrochemicalComplex,Yangzhou225200,China;2.CollegeofChemicalEngineering,BeijingUniversityofChemicalTechnology,Beijing100029,China)Abstract:ConsideringtheenvironmentalfactorsofthetechnicalenergysystemandadoptingacountmethodofenvironmentpollutioncostreportedbyI.Dinceetal,anewmodeloftheexergycostofaproductwaspro2posed.Throughcomparingthenormalprocessofpropylenedistillationandonewithheatpumptechnology,itisfoundthattheheatpumpprocessismoreenergy2saving,environment2protectingandeconomicthanthenormalprocess,thenewmodelcanremarkablyexpressthesuperiorityofmeansofthetechniquesforenergyconserva2tionandenvironmentprotection,andthevalidityofthenewmodelisalsoproved.Keywords:propylene;heatpumpdistillation;exergieoeconomicanalysis;processsimulation(18)Synthesisofultra2fineneedle2likecalciumcarbonateparticlesbyhigh2gravitytechnologyanditscharacterizationZHUWan2cheng1WANGYu2hong1CHENJian2feng1SHIYong2xi2(1.ResearchCenteroftheMinistryofEducationforHighGravityEngineeringandTechnology;2.Analysis&TestCenter,BeijingUniversityofChemicalTechnology,Beijing100029,China)Abstract:Ultra2fineneedle2likecalciumcarbonateparticlesweresuccessfullysynthesizedbyhigh2gravityreactiveprecipitationinarotatingpackedbed(RPB).Thereactiononlytookaboutanhour.Theaverageshaftdiameterandaspectratiooftheresultantparticleswere80200nmand1220respectively,withanarrowdistributionofbothofthem.Intheexperiment,reactantsareCa(OH)2andCO2,andMgCl2isusedasamorphology2con2trolad