乙醇—水—甲醇精馏过程中温度和组分浓度沿塔高的分布

研览=[学位论文]抗州:浙江太学t1993 维普资讯 l56 高校化学 I 程学报 TemperatureandConcen~afiondistributionsin aRectificationColumnforEthanol--Water—·MethanolSeparation ZhouJinhan WangChengxi (DepartmentofChemi~lEngineering,Zhe}iangUniversity) ABSTRACT Thetemperatureandconcentrationprofilesalongthecolumnforethanol--waterandethano1.. water—methanolseparationsatdifferentprcssnresweremeasuredexperimentally.Trayefficiency wascalculatedfromconcentrationprofileandequilibriumrelationshipofethanol—waterbinarysys- tern-ByusingUNIFACmethodandVirialEquationofStateapproaching,thetempreatureandcon— centrationprofilesoftheethanol—water—methanolsystemwerecalculated.nIeresultsshowthewell agrcementbetweenthecalcula~dandexperimentalvalues, Keywords:Alcohol·Rectification,Phaseequilibrium,Temperatureandconcentration distributions 维普资讯