環(huán)己醇與環(huán)己酮二元體系萃取精餾分離研究

1、湘潭大學(xué)碩士學(xué)位論文環(huán)己醇與環(huán)己酮二元體系萃取精餾分離研究姓名：曾永林申請學(xué)位級別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：楊運(yùn)泉20060501ABSTRACTCyclohexanoneisanimptantintermediateproductofcaprolactamadipicacidinindustry.Catalyticdehydrogenationofcyclohexanoltocyclohexanonewhichisanimptan

2、tindustrialreactionfthemanufactureofcaprolactamwhichisusedasamaterialfsynthesisofnylon.CatalyticdehydrogenationofcyclohexanoltocyclohexanonewaspilotstudiedbyCuZrcatalyzer.Theyieldofcyclohexanonecanbereachedto80%theivityi

3、snearly100%.Theproductionisadmixtureofcyclohexanolcyclohexanonewhethercatalyticdehydrogenationofcyclohexanoltocyclohexanoneoxidationofcyclohexanewhichshouldbeseparated.Theadmixturewasstudiedbyextractionrectification.Firs

4、tThesolventwasedbyextractionsolventqualitativeruleSecondTherelativevolatility(TernarySystems)wascalculatedbymendUNIFACmodelFinallythediglycolwasedbyextractionrectification.Theatmosphericvapliquidequilibriumdataofthebinar

5、ysystemscyclohexanolcyclohexanonecyclohexanonediglycolcyclohexanoldiglycolweremeasuredwithaROSEcell.Integraltestwasadoptedtotestthethermodynamicsconsistency.ThefugacitycoefficientofvapphaseswascalculatedbythemodifiedPeng

6、Robinsonequation.TheactivitycoefficientoftheliquidphaseswascalculatedbyWilsonequationNRTLequationsatisfactycrelationresultsoftheseexperimentaldatawereobtained.Therelativedeviationbetweentheexperimentaldatatheresultsofmod

7、elcomputationfbinarysystemwasunder3%therelativedeviationbetweentheexperimentaldatatheresultsofmodelcomputationfternarysystemwasunder4%.Solventwasedusingadecompressionrectificationextractionrectificationexperimentsindicat

8、ethatthemixturecanbeseparatedthequalityofproductscanmeettherequirements.InthesameconditionsthetheeticalnumbersofplateswerecalculatedbyusingtheWilsonequationNRTLequation.Whenusingdecompressionrectifyitsnumberofplateswere1

9、5undertheoperatingpressure4kPawiththevalueofliteratureatthesamethenumberofplateswere36undertheoperatingpressure15kPa.Whenusingextractionrectifythenumberofplateswere39thefollowupnumberswere11.Whenusingdecompressionextract