滲透汽化法分離乙醇-水及其傳質(zhì)機理的研究.pdf

1、天津大學(xué)碩士學(xué)位論文滲透汽化法分離乙醇水及其傳質(zhì)機理的研究姓名：李崇杰申請學(xué)位級別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：姜忠義2000.5.1天津大學(xué)碩士論文AbstractInthispaperthedeacet、’latedChitosanbeingtreatedWaSusedasthemembranerawmateriaITheCShomoeneousmembraneCSA／PANcompositemembraneCSPⅥ～。PANble

2、ndin。compositemembranewerepreparedTheseparationofEthanolandwaterwaschosenasexperimentalsystemtheexperimentsofswellingandpervaporation(PV)werecarriedout’theeffectsofdeacetvtationpreparationconditionfeedtemperatureandcompo

3、sition，membranethickness，blendingratioonpervaporationpertbrmanceofthemembranewerediscussedTheresultsshowed：thepervaporationperformanceofthreekindofmembranesweregoodTheproductivit；ofCS～PANcompositemembranewasmuchhigherwhe

4、nethan01concentrationinteedWaS50％，temperaturewas333l5KPSI011CSA／PANcompositemembraneWas830lkg／m2hTheseparationfactorofCSP、沁P套Ncompositemembranewasmuchhigherevenreachingthecrest。。whenethanolinteedwas95O％temparaturewab3l31

5、5CSaccounts80％theethanolcanbecondensedto9970jTheseparationofCShomogeneousmembranemainlydependsonsolutionandsorptionequilibriumatthemembraneinterfaceThemasstranstermechanismofCShomogeneousmembranewasstudiedAccordingtosolu

6、tiondiflusiontheoryricklawandFlowHugginstheorythemathematicalmodelconsidering“couplingeffect’ofCShomogeneousmembranewasestablishedThecalculatingresultsofmathematicalmodelwereinagreementwiththeexperimentalresults，Theexpen

7、mentaJdatawasregressedexperioncecorrelationformulasoftransportingwaterandethanoltransportinCSA／PANcompositemembranewereestablishedseperately：Jw=ll1983—62334Ce；Je=23998～0133107CeTheoreticalresultswereinagreementwiththeexp