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ID:37121622
大小:1.92 MB
页数:54页
时间:2019-05-18
《臭氧及催化臭氧化降解对氯苯酚和磺基水杨酸》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。
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2、嚣江麦学妖士学证论文摘要本文蓄先论述了嶷巍韵耱毽纯学性鹱翔在承楚瑾方蕊戆瘟爨,提出了本论文的研究瞬的。新究内容主要包括两部分:炱飘及催化奥氧1{诧降簿辩氯苯酚;03超V、侥麒躐辫、OjV-02/Ti02降籍了磺蒺泰搦酸。第三肇孛,测羯03RW、Ti02FOW、OdTi02嬲降缌露氯攀黔表明,臭毓与Ti02舢V具有明盥的协同作用,如禚本实骢条件下降解5rain詹,上述三者爻重对氯苯酚晌去除率分剐麓55%,10%移77%。03热02mrv蛰霜露耀戆零蓑燕寝予臭氧磐走了二戴诧镰毙蘩窀予空穴对中的电子,从而产生了更多的授基自出基,加速了
3、有机物的降勰。醚时,也鬻03W-02/Ti02降解了辩氯苯酚。缩果在耱阊条件下,03/V-02/Ti02的降解效柒好予03刑Ⅳ却差予03/Ti02fUV。第滔章中,实骏疑溺03/LrV、OJTiO娴W、锈精0髑建簿瓣了磺基水杨酸。结果表明,在这三种嵩级氧化技术巾,03/V02/Ti02的戴仡效暴最裹,如谯攘蘑鳇条镣-F,30rain后彀祥表暌;三者COD瀚去除率分剐为47%、55%N70%。在不潲p}壬条件下研究表鞠:03Tri02/LW麓承体p鞭的影响较必敏感。遴过热入自国蒸葬灭裁研究袋明:三者产生翌基自由基的滔性顺序是03/V-0
4、2檬02》03ITi02/UV、{>03,Uv。参关键蔼:嶷荤了巍镄氍对氯鸯暮二氧毒陌巍催讫嶷≥霸≤辩檑文巍继化奥氯化,磺基承撂酸∥丈。辩汪夫学颈士警霍论文OzonationAndCatal姆eOzonationOfP-ChlorophenotAndsulfosalicylicacidAbstractThephysicalchemistrypropertiesandapplicationinwatertreatmentofozoneM憾reviewedandtheresearchobjection萌强sproposedtoo.Ther
5、ewastwopartsinthispaper:OzonationandcatalyticozonationofP-Chlorophenol;Degradationofsulfosalicylicacidby03,U、‘03,ri02,Lni03似02/Ti02,respectively.tnthethirdchapterafterthedegradationofP-chlorophenolbyOdUV、TiO岔'Lrv"andOflTi02/UV,theresultsshowedozonecombinedwithTi02/UVwas
6、themostsignfictant.After5minsunderthesameexpermentalcondition,theremovalratesofP-chlorophenolby03/UV、TiOjUVandOdTi02/UVwere55%,10%,77%,respectively.ThenatureofdegradationofP-chlorophenolbyozonecombined谢氇Ti02&Ww鑫stheozonecouldcapturetheelectronsofTi02(嚣+h+)whenTi02adsorb
7、edtheUVlight,thenproducedthemorehydroxylradicaltofasterthedegradationoforganicmatter.Andinthesamecondition,03,讧e}2蕊G}2hadbeenusedtodegradetheP-chtorophenol。Theresul瑟showedthedegradationby03W-OJTi02wasbetterthanby03/UVandworsethanbyqm03刑Vtntheforthchapter,threeways(窃趟V、0
8、3ffi02/UW、OdV-02,rfiO_,)hadbeenusedtodegradethesulfosalicylicacidinthis⑧耨藐走学硕士学筏沧文experiment。TheresultsshowedthattheaffectionofQ刘一OJTiOztothesutfosalicylicacidwasthebestinthreeadvancedoxidationprocesses.tnthesameexperimentalcondition,theresultsafter30minutesshowedthatth
9、eremovalratesofCOD猿threeadvancedoxidationprocesseswere47%,55%,and70%,respectively.TheresultsunderdifferentpHco
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