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《介質(zhì)阻擋放電反應(yīng)器降解甲苯與其結(jié)構(gòu)優(yōu)化-研究》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、萬方數(shù)據(jù)介質(zhì)阻擋放電反應(yīng)器降解甲苯及其結(jié)構(gòu)優(yōu)化研究復(fù)旦大學(xué)碩士論文從降解產(chǎn)物來看,催化管不會(huì)產(chǎn)生硝基化合物,副產(chǎn)物的種類和產(chǎn)生量也相對(duì)較少,初步看來適合工業(yè)推廣。在絕對(duì)濕度為O.4%,初始濃度為208mg/m3的條件下,面.面催化管的甲苯降解率高達(dá)88.6%,能耗僅為187kWh/kg。(5)比較相同初始濃度下排管式反應(yīng)器和套管式反應(yīng)器的甲苯降解率和能耗發(fā)現(xiàn),兩種類型反應(yīng)器的降解率差異不大。排管式反應(yīng)器在能處理大通風(fēng)量有機(jī)污染物的同時(shí),又能維持相對(duì)較低的能耗,值得工業(yè)推廣。另外,排管式反應(yīng)器降解甲
2、苯的副產(chǎn)物少,副產(chǎn)物含量較低,初步看來能較好的解決套管式反應(yīng)器結(jié)焦嚴(yán)重的I'口-J題。在外施電壓為10800V,流速為2m/s,初始濃度為270mg/m3的條件下,套管式反應(yīng)器和排管式反應(yīng)器的降解率分別為57.4%和59.0%,對(duì)應(yīng)的能耗分別193kWh/kg和251kWh/kg。關(guān)鍵詞:甲苯,介質(zhì)阻擋放電,降解率,能耗結(jié)構(gòu)優(yōu)化II萬方數(shù)據(jù)介質(zhì)阻擋放電反應(yīng)器降解甲苯及其結(jié)構(gòu)優(yōu)化研究復(fù)旦大學(xué)碩士論文AbstractAsoneofthemostimportantformerbodyofPM2.5,Ph
3、otochemicalsmogand03,thetotalemissionofvolatileorganiccompounds(VOCs)fromindustrialsourcesinthecountryincreaseseveryyear,resultinginaseriesofdamagestoOurenvironmentwhichcouldnotbeignored.Comparedwithtraditionaltechnologies,DielectricBarrierDischarge(D
4、BD)isconsidered嬲oneofthemostpromisingtechnologiesforenvironmentalpollutioncontrolinrecentyears,withmanyadvantagessuch嬲lowcost,hi.曲removalefficiency,simpleoperation,lessby-productsetc.Intheindustrialapplication,theLine-PlaneTypeDBDreactorhiglllig觚thedi
5、sadvantagesofhi曲energyconsumption,largeoccupiedarea,limitedventilation.volume,一etal,whichconstrainingitsdevelopment.Tosolvetheseproblems,weselectedToluene嬲theresearchprojectandproposedfournewtypesofDBDreactors.Influencingfactorssuch嬲inputpower,gaSflow
6、rate,inlettolueneconcentration,humidityandfrequencyweretakenintoconsideration.Atthesametime,weanalyzedthegaSandsolidproducts,discussedthereactionmechanismoftoluenedegradationanddeterminedtheoptimaloperatingparameters,aimingatprovidingabaSisforindustri
7、alapplications.(1)Theexperimentresultsshowedthatthetolueneremovalefficiency(rltol啪e)increaSedlinearlywiththeincreaSeofinputpowerandtheenergyconsumptionalsoincreaSed.rltolucncandenergyconsumption(1lr)decreaSedwiththeincreaSeofinletconcentration.Weresea
8、rchedtheeffectofgaSflowrateonT1協(xié)lu∞eandusingtheLine.PlaneReactorandTubularMultilayerDielectricBarrierDischarge(TM-DBD)ReactorandfoundthatT1tol啪edecreasedwithincreaSinggaSflowrate,while1lrincreaSedfirstandthendeclined.Wealsofoundthatatthefreque