环己酮肟液相溶剂重排反应动力学与工艺.研究

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

2、reextractionarearestudied.Tofindthekindandamountofimpurities,therefinedsamplesaredetectedbygaschromatography/massspectrumandtheimpuritiesarecomparedwithindurstrialsample.ItillustratesthatnonewimpuritiesformandtheammountofimpuritiesarereducedcomparedwithHPOprocessinBaLlingPetrochemicalCorp

3、oration’s.Theresultalsoindicatesthatthecaprolactamofsolventrearrangementcanbepurifieddependingonconventionalrefiningprocess.Onthestudyofkineticsexperiment,akineticmodelisproposedandcorrespondingparametersareestimatedbyusingfloatgeneticalgorithm.TheresultshowsthattheBeckmannrearrangementof

4、cyclohexanoneoximeinoleumis+accomplishedbyoximeeffectingwithHandSO3apartlyandtheleastratioofsulfuricacidtooximeis1.0theoretically,.Themodelforecaststherelationshipbetweenyieldandreacttimeunderdifferentoperationconditionssuchasmolecularratio,oleumconcentrationandtemperature.Thekineticmodel

5、alsoshowsthatthereactionspeedoftheBeckmannrearrangementincreasedwithmolecularratioofsulfuricacidtooximeandoleumconcentration.Sincethehighmolecularratioimpliesmorelow-valueby-product,improvementofoleumconcentrationshouldbeafeasiblemethodofsolventrearrangementinindustryprocess.Statisticstes

6、tshowsthatthesimulationresultsagreewellwiththeexperimentaldata.AccordinglyitcanbeusedforthedesignandoptimizationofindustrialBeckmannrearrangementwithsolvent.Inconclusion,thekineticreactionmodelofBeckmannrearrangementofcyclohexoneoximeproposedinthisthesiscanexplainthetheoreticalleastratioo

7、fsulfuricacidtooxime,italsocanbeappliedtooptimizedthereactionofsolventrearrangement.Thequalityevaluationofreactionproductoffersatechnicalsupporttodeveloporreducethesucceedingrefinaryprocess.Beckmannrearrangementwithsolventcanavoidinefficientmasstransfercausedbyincre