臭氧活性炭去除水中硫醇类致嗅物质的研究

ISSN100020054CN1122223öN()JTsinghuaUniv(Sci&Tech),20094932009,Vol.49,No.319ö3639023921,1,1,2,2,3,3(1.,100084;2.,730070;3.,523112):2008201223:(50778097):(1979),(),,:,,E2mail:[e-mail]:,,,,;15min,,(mgöL)(LgöL)0.04100LgöL,,:;;-:TU991.21;X522:A:100020054(2009)0320390203Removalofthiolcompoundsfromdrinkingwaterwithozone-activatedcarbonLIYong1,ZHANGXiaojian1,CHENChao1,ZHANGXiaohui2,ZHUXiaohui2,DAIJisheng3,XUHuan3(1.DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084,China;2.SchoolofEnvironmentalandMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China;3.DongjiangWaterAffairsCo.,Ltd.,Dongguan523112,China)Abstract:ThiolcompoundsarethemainsourcesofodorinriversinsouthernChina.Theremovalofthiolcompoundsfromdrinkingwaterusingozone2activatedcarbonwasstudiedusingethanethiolasatypicalthiolcompound.Theresultsshowthattheozone2activatedcarboncaneffectivelyremoveethanethiolwiththekeyprocesstoremovethiolbeingtheozonation.Activatedcarbonwasnoteffectiveinremovingtheodorscausedbythiolcompounds.Theethanethiolremovalduringozonationrequired15min.Whenwatercharactersweresimilar,theozonedose(mgöL)tocompletelyoxidizetheethanethiolinwaterwas0.04timestheinitialethanethiolconcentration(LgöL).Thus,whentheethanethiolconcentrationinaflowstreamismorethan100LgöL,pre2oxidationshouldbeusedwithozone2activatedcarbontoremovetheodorcausedbytheethanethiol.Keywords:tastesandodors;ethanethiol;ozone2activatedcarbon(GB574922006),[1],[2-4],[5],,2060[6],1022MIB,,,(12212)[7],20075[8],,11.10.56m3öh:VG205,,5göh,,3.6m,300mm,2m,(PJ816),,15min,8möh,7d,55m3ö(m2õh),2min;25m3ö(m2õh),20%,78min1.2,,,1L,,,,,(0.511.522.533.54mgöL),24h,(),11pHCODMnmgõL-1TOCmgõL-1UV254cm-1NH+4NmgõL-1NO-3mgõL-1NTU6.92.52.580.050.502.10.866.50.90.540.010.021.50.026.81.21.300.020.101.00.251:CODMn;TOC;UV254254nm;NH+4N;NO-31.3(CJöT3028.2294)GC2FPD,Agilent6890212.11,t,(O3ö)D()1.5mgöL,Q()200LgöL,30min,15min180LgöL,,,150,100LgöL5LgöL,15min,,,15min2(RD())2.22,Q()200LgöL,15min,8möh,193,:,,,,,,,2,(O3ö)RD()8LgöLg,RD,75Lgömg(öO3)RD()8LgöLg(D()2mgöL),,12.5Lgömg,D()2mgöL,G(3),;,Q(),,3(D())(G),,Q(),D()ö(mgõL-1)=8Q()ö(LgõL-1)1000+(1-0.0758)Q()ö(LgõL-1)12.5=0.04Q()ö(LgõL-1).,Q()100LgöL,4mgöLQ()100LgöL,,,,31),,2)15min,,(LgöL)(mgöL)0.043)Q()100LgöL,,(References)[1],,.[J].,2004,30(10):8-13.JIRongping,LUXiwu,LIXianning.Removalofodorcompoundsfromentropicrawwater[J].Water&WastewaterEngineering,2004,30(10):8-13.(inChinese)[2]HuaGH,ReckhowDA.Comparisonofdisinfectionbyproductformationfromchlorineandalternativedisinfectants[J].WaterResearch,2007,41(8):1667-1678.[3],,,.[J].,2002,34(2):220-224.LIUWei,CAIGuoqing,LIYongmin,etal.Influenceofalgaeremovalbyferrate(VI)preoxidationonDOMinculturedalgaesolution[J].JournalofHarbinInstituteofTechnology,2002,34(2):220-224.(inChinese)[4],,,.O32BAC[J].,2007,29(01):14-18.WANGDaiping,HUHaixiu,ZHANGChunlei,etal.Selectionofactivatedcarboninpre2ozonationactivatedcarbondrinkingwatertreatmentprocess[J].SounthwestWater&Wastewater,2007,29(01):14-18.(inChinese)[5].[J].,2006,32(5):19-23.ZHOUYun.OperationofozoneandBACprocessinZhoujiaduWaterworks[J].Water&WastewaterEngineering,2006,32(5):19-23.(inChinese)[6],.[M].:,2002.[7]ZhangXJ,LiY,ChenC,etal.DeterminationandremovalofakindofrottenodorinsurfacewaterofSouthernChina[C]öö2ndIWA2ASPIREConferenceandExhibition.Perth,Australia,2007.[8],,,.[J].,2007,33(09):7-12.ZHANGXiaojian,ZHANGYue,WANGHuan,etal.EmergentdrinkingwatertreatmentfortasteandodorcontrolinWuxiCitywaterpollutionincident[J].Water&WastewaterEngineering,2007,33(09):7-12.(inChinese)293()2009,49(3)