HZSM-5催化剂上室温O3氧化脱除空气中的苯：Mn含量和水含量的影响-论文.pdf

《HZSM-5催化剂上室温O3氧化脱除空气中的苯：Mn含量和水含量的影响-论文.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ChineseJonrnalofCatalysis35(2014)1465-1474催化学报2014年g35卷g9期fwⅣ．chxb．cnailab旗a蠹霪elen蠢d争e耄鼍el：¨l¨一ELSEVIERjonaIhomte／lchnj一cArticleOzonecatalyticoxidationofbenzeneoverAgMn／HZSM-5catalystsatroomtemperature：EffectsofMnloadingandwatercontentYangLiu，XiaosongLi，JinglinLiu，ChuanShi，AiminZhuLa

2、boratoryofPlasrnaPsicalChemistry,DalianUniversityTechnology,Dalian11602~Liaoning,ChinaARTICLEINF0ABSTRACTArticleh&tory：TheeffectsofMnloadingandwatercontentonAgMn／HZSM-5(AgMn／HZ)catalystswereinvesti．Received22January2014gatedintheozonecatalyticoxidation(ozco)ofbenzeneinacontinuousairf

3、lowatroomtempera．Accepted3March2014ture．ThecatalyticactivityiscloselyrelatedtotheMnloading,andtheAgMn／HZcatalystwith2．4Published20September2014wt％Mn[AgMn／HZ(2．4))hadthehighestactivityandstabilityinbenzeneoxidationasaresultofitslargesurfaceareaandhighMndispersion．Temperature—programme

4、ddesorptionoftheusedKeywords：catalystsdemonstratedthat2．4wt％wasalsotheoptimalMnloadingforsuppressingtheaccumu．1ationofbenzeneandHCOOHoverthecatalystsurfaceafterbenzeneoxidationCatalyticoxidationofbenzene．ForAgMn／HZcata．Ozone1ystswithMnloadingss2．4％03decompositiontoactiveoxygenspecies

5、(0)playsthemostimportantroleinbenzeneoxidation；however,benzeneactivationisthecrucialstepforbenzeneAgMn／HZSM-5catalystMnloadingoxidationbyOsoverAgMn／HZcataiystswithMnloadings>2．4wt％．TheAgMn／HZ(2．4]catalystwasthenusedtoperformOZCOofbenzeneinahumidstream．ComparedwithdrygasWatervapor，wat

6、ervaporgreatlyenhancedtheactivityandstabilityoftheAgMn／HZ(2．4)catalyst,and0．1—02VOI％wastheoptimalwatercontentforbenzeneoxidation．@2014，DalianInstituteofChemicalPhysics．ChineseAcademyofSciences。PublishedbyElsevierB．V．A1lrightsreserved．1．1ntroductiontheoxidantguaranteedhighcatalyticact

7、ivityandenabledthereactiontoproceedatlowtemperaturesf7一lo]．Specifically,Benzene，atypicalvolatileorganiccompound(voc)，hasthedataobtainedusingmanganeseoxideasthecatalystmutagenic，teratogenic，andcarcinogenicactivitiesandisdemonstratedthattheactivationenergYincatalyticbenzeneknowntocontr

8、ibutetopoora