介质阻挡放电协同Mn催化剂降解二甲苯研究的开题报告AbstractInrecentyears,therapideconomicdevelopmenthasbroughtaboutsevereairpollutionproblems,includingvolatileorganiccompounds(VOCs)emissions.AmongtheVOCs,xyleneisoneofthemostcommonpollutants,whichcancauseseriousharmstohumanhealthandtheenvironment.Asaresult,theeffectiveremovalofxylenehasbecomeamajorchallengeforresearchers.Inthisstudy,thesynergisticdegradationofxylenebydielectricbarrierdischarge(DBD)andMncatalystwasinvestigated.TheresultsshowedthatDBD-MnhadabetterdegradationeffectonxylenecomparedwiththesingleuseofDBDorMncatalyst.IntroductionDuetotherapiddevelopmentofindustrializationandurbanization,airpollutionproblemshavebecomeincreasinglyserious,leadingtoavarietyofenvironmentalandhealthproblems.Asoneofthemajorpollutantsofairpollution,VOCshavebecomeasignificantissueinthefieldofenvironmentalprotection.XyleneisoneoftheessentialcomponentsofVOCsandiswidelyusedinindustriessuchaspaint,printing,anddyeing.However,itsreleaseintotheatmospherehasbroughtgreatharmtothehumanbodyandtheenvironment.Therefore,itisnecessarytodevelopeffectivemethodsforxyleneremoval.DBDisanon-thermalplasmatechnologywithhighenergyandhighefficiency,whichhasbeenwidelystudiedforVOCstreatment.Inrecentyears,manyresearchershavetriedtocombineplasmatechnologywithcatalytictechnologytoimprovethedegradationperformanceofVOCs.ThecatalystcanprovideareactionsiteandpromotetheadsorptionanddissociationofVOCsonthesurface,therebyimprovingthedegradationefficiency.Mncatalystshavebeenproventohaveexcellentperformanceinmanyfields.ResearchobjectivesTheobjectiveofthisstudyistoinvestigatethesynergisticeffectofDBDandMncatalystinthedegradationofxylene,includingtheanalysisoftheremovalrateandreactionmechanism.Moreover,thisstudyaimstoprovideatheoreticalandtechnicalsupportfortheefficienttreatmentofVOCs.ResearchcontentTheresearchactivitiescanbedividedintothreeaspects:1.ThesynthesisofMncatalystandcharacterization.Inthisstudy,Mncatalystwassynthesizedviaasol-gelmethod,andthemorphology,chemicalcomposition,andc