环己酮肟液相溶剂重排反应动力学与工艺.研究 (1)

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1、湘潭大学硕士学位论文ABSTRACTedthepotassiumpermanganatetitrationvaluebuttheinfluencecanbeignoredwithin1000µg/g.Theresultindicatesthattheconversionhaslittletodowiththequalityoftherearrangement.Bysimulatingthecurrentconventionalrefinedprocess,unitoperationsuchasneutralization,benzene-extraction,wat

2、er-reextractionarearestudied.Tofindthekindandamountofimpurities,therefinedsamplesaredetectedbygaschromatography/massspectrumandtheimpuritiesarecomparedwithindurstrialsample.ItillustratesthatnonewimpuritiesformandtheammountofimpuritiesarereducedcomparedwithHPOprocessinBaLlingPetrochemic

3、alCorporation’s.Theresultalsoindicatesthatthecaprolactamofsolventrearrangementcanbepurifieddependingonconventionalrefiningprocess.Onthestudyofkineticsexperiment,akineticmodelisproposedandcorrespondingparametersareestimatedbyusingfloatgeneticalgorithm.TheresultshowsthattheBeckmannrearra

4、ngementofcyclohexanoneoximeinoleumis+accomplishedbyoximeeffectingwithHandSO3apartlyandtheleastratioofsulfuricacidtooximeis1.0theoretically,.Themodelforecaststherelationshipbetweenyieldandreacttimeunderdifferentoperationconditionssuchasmolecularratio,oleumconcentrationandtemperature.The

5、kineticmodelalsoshowsthatthereactionspeedoftheBeckmannrearrangementincreasedwithmolecularratioofsulfuricacidtooximeandoleumconcentration.Sincethehighmolecularratioimpliesmorelow-valueby-product,improvementofoleumconcentrationshouldbeafeasiblemethodofsolventrearrangementinindustryproces

6、s.Statisticstestshowsthatthesimulationresultsagreewellwiththeexperimentaldata.AccordinglyitcanbeusedforthedesignandoptimizationofindustrialBeckmannrearrangementwithsolvent.Inconclusion,thekineticreactionmodelofBeckmannrearrangementofcyclohexoneoximeproposedinthisthesiscanexplainthetheo

7、reticalleastratioofsulfuricacidtooxime,italsocanbeappliedtooptimizedthereactionofsolventrearrangement.Thequalityevaluationofreactionproductoffersatechnicalsupporttodeveloporreducethesucceedingrefinaryprocess.Beckmannrearrangementwithsolventcanavoidinefficientmasstransfercausedbyincre