配合萃取苯酚羥化液脫水過程的研究.pdf

1、天津大學碩士學位論文配合萃取苯酚羥化液脫水過程的研究姓名：陳毅烈申請學位級別：碩士專業(yè)：化學工程指導教師：馮惠生20070101ABSTRACTPyrocatecholandhydroquinone，asimportantrawmaterialintermediatesinfinechemicalindustries，aleusedinmanyfieldsThecatalytichydrogenationofphenolbyhydrog

2、enperoxideistheadvancedtechnologythatproducespyrocatecholandhydroquinoneTheproducedphenolhydroxylationmixture’Smoisturecontentisveryhi曲andpresentlyuseddehydrationmethodbydirectdistillationledtohigherenergyconsumptionandh

3、eat—sensitivelossofproductsTherewillbeabigimprovementintheseparationprocessofthemixtureifapplyingcoordinationextractiondehydrationThepapermeasuredtheextractibilityanddistributioncoefficientsoftheinvolvedsystemswithtribut

4、ylphosphate(TBP)orN。N—dibutyl一1butanamineasextractantandand4methyl一2pentanone(MIBK)ordiisopropylether(DIPE)弱thethinnerTheresultspresentthattherealebiggishhierarchicalclassificationzonesiftheextractant，tributylphosphate(T

5、BP)orN，Ndibutyllbutanamine，isaddedundertheconditionofthethinnerisMIBKandthedistributionCoe伍cientandselectivitycoefficientalehighintheextractionprocess4methyl2一pentanone(MIBK)isverygood鎬thinnerThepaperdiscussedthemajorfac

6、torswhichaffecttheextractprocessanddrewtheconclusionthattheappropriateoperatingconditionsforTBPMIBKasthethinneristhemassratiooftheextractanttothesolution(R)l：2，thespeedofagitation15r／s，thetimeofagitationwithinlh，thetimeo

7、flamination152h，theRenumber塒ⅡliIl850020000，DIPEasthethinneristhemassratiooftheextractanttothesolution(IUl：l，thespeedofagitation75r／s，thetimeofagitation05～lh，thetimeoflaminationlh，theRenumberwithin800012000；theappropriate

8、operatingconditionsforN，N—dibutyllbutanamine，MIBKasthethinnerisR=I：1，thespeedofagitation7515r／s，thetimeofagitationwithin1—15h，thetimeoflaminationlktheRenumberwithin800015000，DIPEasthethinnerisR=I：1，thespeedofagitation75～