东江水中典型致嗅物质的调查

2008,28(11)974~978ChinaEnvironmentalScience1,1,1*,2,2,3,3(1.,1000842.,7300703.,523112),,,–GCMS,GCMS,,.,,,2,11.11X522,TU991.21A10006923(2008)11097405TypicalodorantcomponentofDongjiangRiverinChinaasurvey.LIYong1,CHENChao1,ZHANGXiao-jian1*,ZHANGXiao-hui2,ZHUXiao-hui2,DAIJi-sheng3,XUhuan3(1.DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084,China2.SchoolofEnvironmentalandMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China3.DongjiangWaterAffairsLimitedCorporation,Dongguan,Dongguan523112,China).ChinaEnvironmentalScience,2008,28(11)974~978AbstractToremovetheodorindrinkingwatercausedbyaflooddraincanalinonecityofChina,apilot-scaleozone-activatedcarbonwasestablished.Samplescollectedfromrawwater,canal,influentandeffluentofozone-activatedcarbonwereanalysisedbyPurgeTrapGCMS.BasedonThresholdOdorNumber(TON)andP&T-GC-MSspectrumsofthesesamples,theodorantandcharacterofodorantcomponentinrawwaterwerestudied.Theodorantcomposinginrawwatervariedinseasons,whichwascorrelatedwiththatincanal.Besidesofgeosminand2MIB,thiolorthioethercontributedtotheseasonalodoroftheriveranddrinkingwater.Researchesontheremovaltechnologyofthiolandthioethershouldbeperformedassoonaspossible.Keywordsodorodorant1propene1thiolthiolthioether().2050[15],(geosmin)2(2MIB)[67][8].,10ng/L,,[9]...,.(FlavorProfileAnaylisis,FPA),,sensoryGC(Gaschromatography),,[10].TON,FPA,sensoryGC.,.,,,.,,,20080504(50778097);(2007BAC26B03)*,,[e-mail]11975.11.1:(QP5000GC5973MSD,).geosmin(100µg/mL,FLUKA);2MIB(100µg/mL,FLUKA);.1.2TONP&TGC/MS1Fig.1Chartofthedeterminationofodorantcomposing.1.,,;,,.,,,,,.,.(Thresholdodornumber,TON),[11]:(B).(P&TGC/MS),25mL,40,10(O.I.,),HP5(30m×0.25mm),:403min,20/min80,5/min160,10/min200,2min,250.1.3(0.56m3/h).,,3.6m.(PJ8×16,)2m.,,15min.,8m/h,7d.,55m3/(m2·h),2min;40m3/(m2·h),15%~20%,7~8min.1.41Table1CharactersofrawwaterduringcanaldrainfloodsTON50.01.520.0(mg/L)4.401.392.03NH3N(mg/L)2.900.521.30UV2540.0300.0180.022(NTU)55541.7163.5TOC(mg/L)3.421.292.28,,,TON,1:95:5,,1.TON,GCMS,TON,..22.1P&TGC/MS2.976282,GCMSgeosmin2MIB,.,,,P&TGC/MS,,.20060426(×103eV)8060402000510152025geosmin2-MIB(min)10022006426P&TGC/MSFig.2P&TGCMSspectrumofDongjiangRiverduringcanaldrainfloodsinApril26th,20062.23,TON95%.TON17.,TON,TON,,.0.00.51.01.52.02.53.03.54.04.5621624627630()TON1:9(a)01020304050601024102510261027()TON5:5(b)3TONFig.3RemovalofTONwithozone-activatedcarbon2.3P&TGC/MS,4.2(TON,),[12],,11(1propene1thiol).[13].,1197760%,,.12345678910111213149101112131487654218765151691011171213145:5(/)(×103eV)8060402008060402008060402008060402000510152025(min)76891011121310010010010045:5P&TGC/MSFig.4P&TGC/MSspectrumofcanal,rawwater,5:5preparedwater,ozone-acticvatedcarboneffluent2Table2Potentialodorcausingmatterinrawwater122107865925623531088834127184595476611925893729592924568213913289211978079110118835331113,7,111675034112513714721314051691480655443159120316312425776172110340235:2.4,(3).3,,:,,geosmin;,.geosmin2MIB,.,.,,,.,,.,,.978283Table3Composingofodorcausingmatterofrawwaterandmunicipalcanalindifferentseasongeosmin(ng/L)2MIB(ng/L)()20060426n.d.n.d.n.d.n.d.11()1120060620n.d.n.d.n.d.n.d.111120061215406694n.d.n.d.200703153n.d.29n.d.()n.d.:n.d.,.,,.,.33.111(1propene1thiol).3.2,,geosmin2MIB,.[1],,.[J].,2004,30(10):813.[2],.[J].,1994.10(1):3337.[3],,,.[J].,1996,22(7):1214.[4]ThielSU,WiltshireRJ,DaviesLJ.Automatedobjectrecognitionofblue-greenalgaeformeasuringwaterquality-Apreliminarystudy[J].WaterResearch,1995,29(10):23982404.[5],,,.[J].,2002,34(2):220224.[6]SugiuraNIwamiN,InamoriY,etal.SignificanceofattachedcyanobacteriarelevanttotheoccurrenceofmustyodorinLakeKasumigaura[J].WaterResearch,1998,32(12):35493554.[7]IzaguirreG,TaylorW.APseudanabaenaspeciesfromCastaicLake,California,thatproduces2-methylisoborneol[J].WaterResearch,1998,32(10):3192.[8]HuTL,PChiangC.OdorouscompoundsfromacyanobacteriuminawaterpurificationplantinCentralTaiwan[J].WaterResearch,1996,30(10):25222525.[9]PalmentierJ,TaguchiVY,JenkinsSWD,etal.Thedeterminationofgeosminand2-methylisoborneolinwaterusingisotopedilutionhighresolutionmassspectrometry[J].WaterResearch,1998,32(2):287294.[10]YoungCC.Analysisoftaste-andodor-causingcompoundsindrinkingwater[D].LosAngeles:UnisversityofCalifornia,1998.[11].[M].4.:,2002.[12],,,.[M].:,2005:457.[13],.[J].,2005,31(3):2830.(1979),,,,.8.