液液萃取法分離二乙氧基甲烷和乙醇的研究.pdf

1、南京師范大學(xué)碩士學(xué)位論文液液萃取法分離二乙氧基甲烷和乙醇的研究姓名：李柏申請學(xué)位級別：碩士專業(yè)：化學(xué)工程與技術(shù)；應(yīng)用化學(xué)指導(dǎo)教師：顧正桂20090523Abstract第2頁共56頁AbstractThepreparationmethodtheapplicationofdiethoxymethane(DEM)weresummarizedinthispaper.TherecentmethodsofseparatingDEMfrometha

2、nolaqueoussolutionwerereviewedinthepaper.ThemethodofliquidliquidextractionwascarriedouttoseparateDEMethanolmixedsolution.Somenewresearchdiscussionwerecarriedoutonthebasisofthepredecesssthemultipledissolventofwaterglyceri

3、nwasputfwardtoseparateDEMethanolsolution.DifferentinfluencingfactsontheliquidliquidequilibriumsuchasstirringtimestirringvelocitysettingtimewerestudiedindetailonthebasisofwhichtheliquidliquiddataofDEMwaterDEMglycerinDEMwa

4、terglycerinDEMethanolglycerinDEMwaterethanolDEMwaterethanolglycerinweretested.TheinteractiveparametersofNRTLUNIQUACwerecrelatedbythemethodofleastsquarethebinarytribasicquaternaryLLEdataweresimulated.TheresultsshowedthatN

5、RTLequationhadtheminrelativeerr.Experimentofcrosscurrentextractionwasconductedconsideringtheinfluencingfactsofsolventratioextractionprogression.TheexperimentalresultswerecomparedwiththesimulationdataofNRTLequationbytheme

6、thodofphasedistributioncoefficienttheresultshowedamindeviation.ThestudywouldprovidefundamentalreferencesffurtherstudyonseparationofDEMethanoltheindustrialization.Keywds:liquidliquidextractionsimulationDEMmultipledissolve