TS-1催化乙烯、丁烯气相环氧化的初步探索的开题报告(Title)PreliminaryexplorationofTS-1catalyzedgasphaseepoxidationofethyleneandbutene(Body)1.IntroductionTheepoxidationofolefinstoformepoxidesisanimportantindustrialprocessusedfortheproductionofavarietyofchemicals.Conventionally,theprocesshasbeencarriedoutusingorganicperacidsormetalcatalysts,whichsufferfromvariouslimitationssuchashighcost,lowselectivity,andenvironmentalconcerns.TS-1,azeolite-basedcatalyst,hasemergedasapromisingalternativeduetoitshighselectivity,activity,andstabilityinthegas-phaseepoxidationofolefins.2.ObjectivesTheobjectiveofthisstudyistoinvestigatethecatalyticperformanceofTS-1inthegas-phaseepoxidationofethyleneandbutene.Themainfocusofthestudywillbeontheeffectofoperatingparameterssuchastemperature,pressure,andreactantconcentrationonthecatalyticreaction.3.ExperimentalprocedureThegas-phaseepoxidationreactionwillbecarriedoutinafixed-bedreactorpackedwithTS-1catalyst.Thereactants(ethyleneandbutene)willbefedintothereactoralongwiththeoxidant(oxygen)andasolvent(acetonitrile).Thereactionwillbecarriedoutundervariousoperatingconditions,includingdifferenttemperatures,pressures,andreactantconcentrations.Theproductsofthereactionwillbeanalyzedbygaschromatography-massspectrometry(GC-MS)todeterminetheselectivityandyieldoftheepoxideproducts.4.ExpectedresultsItisexpectedthatTS-1willexhibithighselectivitytowardstheepoxidationofbothethyleneandbutene,withhighyieldsofthecorrespondingepoxides,ethyleneoxideandbuteneoxide.Itisalsoexpectedthattheoptimaloperatingconditionsforthereactionwillbedetermined,whichwillincludespecifictemperature,pressure,andreactantconcentrationranges.5.SignificanceThegas-phaseepoxidationofethyleneandbuteneusingTS-1catalysthasthepotentialtobeamoreenvironmentallyfriendlyandcost-effectivemethodfortheproductionofepoxides.Theoptimizedoperatingconditionsfortheprocesscanbeusedtodesignmoreefficientcommercialprocesses,whichcouldhavesignificanteconomicimplications.Theresultsofthisstudywillcontributetothedevelopmentofmoresusta