低碳醇—水體系的液液相行為及熱力學模擬.pdf

1、低碳醇一水體系的液液相行為及熱力學模擬學位論文完成日期：指導教師簽字：答辯委員會成員簽字：LIQUID—LIQUIDPHASEBEHAVIORANDTHERMODYNAMICMODELINGOFSYSTEMSCONTAININGLOWERALCOHOLSANDWATERABSTRACTTherearemanyloweralcohols(C2一C5alcohols)chemicalswithhighheatingvalueinfermen

2、tationbrothgeneratedbythefermentationofrenewablematerials，andthesechemicalsareapromisingalternativetofossilfuelenergyThedevelopmentandutilizationofwhichwillbeoneofaneffectivewaystosolvetheenergycrisisbroughtbytheuseoffos

3、silfuelsHowevertheindustrialapplicationofthiskindofrenewableenergyislimitedbythecomplicatedcompositionoftheabovesystemresultinginhighseparationcostsTheseparationforthesystemcontaingloweralcoholsandwatercanbeperformedbyli

4、quid—liquidextractionthatisaneffectivemeansThedeterminationofliquidliquidphasebehaviorandthermodynamicmodelingforthesekindsofsystemwillbeofgreatimportanceLiquid—LiquidEquilibrium(LLE)phasebehaviorsfortheternarysystemscon

5、sistingofsomeloweralcoholsandwaterinfermentationbrothwerestudiedInaddition，theinfluenceoftemperatureontheabovesystemswasinvestigatedinthispaperLLEtie1inedata(molefraction)forfourtemarysystems1butanol3methyl1butanolwater2

6、methyl一1一propanol3methyl一1一butanolwater2methyl1propanol2propanolwaterand2methyl一1propanol1pentanolwateratdifferenttemperatureunderatmosphericpressurweredeterminedbyusingGC14CgaschromatographpackedwithPorapakQ—S80／100colu

7、mnThefamousOthmerTobias，BachmanandHandequationswereappliedtoexaminethereliabilityoftheexperimentaldata，andthecorrelatedaccuracy僻。)valuesforaUofthethreecorrelationsweremorethanO94LLEphasediagramsfortheaboveternarysystemsa