介质阻挡放电协同Mn催化剂降解二甲苯研究的开题报告.docx

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