城市道路灰尘中邻苯二甲酸酯污染特征研究

,,,.[J].,2005,25(3):409-413CHENLixuan,ZENGFeng,LUODanling1,etal.Studyofthedistributioncharacteristicsofphthalateestersinroaddustofthecity[J].ActaScientiaeCircum2stantiae,2005,25(3):409-4131,2,1,3,1,311,51027521,51064031,510275:2003120.USE2PA8061,(PhthalateEsters,PAEs).,PAEs4148370142gg-1(),132158gg-1(),TOC1142%16193%.PAEs;DEHPDnBPDiBPPAEs;wDEHPwDnBPwDiBPwDnOPwDEPwDMP.:;;;;:025322468(2005)0320409205:X820:AStudyofthedistributioncharacteristicsofphthalateestersinroaddustofthecityCHENLixuan1,2,ZENGFeng1,3,LUODanling1,CUIKunyan311SchoolofChemistryandChemicalEngineering,SunYat2senUniversity,Guangzhou51027521StateKeyLaboratoryofOrganicGeochemistry,InstituteofGeochemistry,ChineseAcademyofscience,Guangzhou51064031InstrumentalAnalysisandResearchCenter,SunYat2senUniversity,Guangzhou510275Abstract:RoaddustsamplesofGuangzhoucitywerecollectedforanalysisofPhthalateEsters(PAEs)on1116Feb.2003,thatrelativehumiditywere60%80%andtemperaturewere1525.TheconcentrationsanddistributioncharacteristicsofthesixmajorPAEsin20roadsdustsamplescollectedindifferentfunctionaldistrictsofGuangzhoucityweremeasuredbyusingUSEPA8061seriesmethodsunderqualityassurance(QA)andqualitycontrol(QC).TheresultsshowedthattheconcentrationsoftotalPAEsintheroaddustsamplesrangedfrom4148gg-1to370142gg-1,averageconcentrationwas132158gg-1(dryweight),andTOCwere1142%16193%(proportionofmass).Theroaddustsselectedfromcommercialplaza,industrialdistrict,heavytraffichighwayandres2identialdistricthadbeenheavilycontaminated.ThehighestconcentrationoftotalPAEsinroaddustsamplewas370142gg-1atanewlargebusinessbuilding.ThedistributionpatternsofsixprincipalPAEsthatDMP,DEP,DnBP,DiBP,DnOPandDEHPinroaddustsamplesshowedtheresemblance.TheDEHP,DnBPandDiBPwhichwerethepredominanceofPAEsinroaddustsampleswereclearlyobserved,andtheconcentrationsshowedanorderthatwDEHPwDnBPwDiBPwDnOPwDEPwDMP.Keywords:roaddust;PhthalateEster;contaminatedlevel;distributioncharacteristic;city:2004205231;:2004209206:(40172108);(OGL2200305):(1979),,;3(),[e-mail],,[13].,19907189105ta-119971142106ta-1,19900153kgd-119970175kgd-1,20052150106ta-1,1P31P2,3%8%[4]..(),25320053ACTASCIENTIAECIRCUMSTANTIAEVol.25,No.3Mar.,2005[57].(PhthalateEstersPAEs,),,.,85%,[8,9].PAEs.(Dim2ethylPhthalate,DMP)(Di2n2buthylPhthalate,DnBP)(Di2n2octylPhthalate,DnOP).2003120,USEPA8061,(QA)P(QC),DMP(DiethylPhthalate,DEP)DnBP(Di2isobutylPhthalate,DiBP)DnOP(22)(Di2(22ethylhexyl)Phthalate,DEHP).PAEs,PAEs,PAEs.11.11.1Fig.1MapofSamplingLocation1;2;5;6();3711141517;916;318;4;81013();12;19,20.,300m238,-20..20031141913:0018:00,60%80%,1224.,4506h.1.2DMPDEPDBPDiBPDnOPDEHPBenzylbenzoateSIGMA;Isophthalicacidbis2phenylesterPhthalicacidbis2benylesterPhthalicacidbis2phenylesterDr1EhrenstorferGmbH.,.,4506h,.(80100)(100200)72h,(1802)(2502)12h,,(310011)%,.,,4h,,3506h..GC4890D2FIDGC689025973MSD2:HP.CHNS:Elementar.:Freezone6,LabconceCo1.1.320g,,01425PAEs,200mL48h,.5860,56h-1.,110mL,10mL,12mL.P(21),20mL70mLP(37),40mLP(28)PAEs,110mL,5mL,100L..,110(L,GC2FIDGC2MSD.1.4PAEsGC2FIDGC2MSDHP5(30m0125mm0125m);280,280;:801min,1min-1280,10min;,,110L.PAEs5,N2000.PAEsGC2MSD,HP.1.5(QAPQC)USEAPQAPQC,.PAEs86142%94191%,61124%112145%.01110155ngg-1..1.6(TOC)(10%HCl).2206PAEsTOC1.PAEs2.1PAEs()TOC()Table1Theconcentrationsofphthalateesters(dryweight)andTOC(dryweight)inroaddustfromGuangzhoucitywDMPP(-1)wDEPP(-1)wDiBPP(-1)wDnBPP(-1)wDEHPP(-1)wDOPP(-1)wPAEsP(-1)wTOCP(%)1011701311518331101431712158195168315020122013114196251701421633127187109612530111012020122291261172316855119411040115011318162241951321893102179177115850111011419127301911741724107229122119260111011301962174621131121671271181701070110910191517912421039919621968010701291616929151196161512824814541999010501206193111876811211368815311971001170136241673011331016341463701421142110108011214196131329019011921211305122120110013517194341761511018170212186118713013001401016839134166109312722010761441401100108317161364315211425511916193150110011341961011353146113470112212516010601231813920155921471171133141311417011301138165101654613711376713011571801070127610441670163017412142516319011701011139n1d12158013341484104200112011711163151611105112629184315433.1PAEswPAEs4148370142gg-1,132158gg-1().wTOC1142%16193%.(10)PAEs,;(81143:2PAEsFig.2DistributionofPAEsinroaddustsfromGuangzhoucity)(413)(12)(2516)(1);(11)PAEs,PAEs(11)(17).20011170107t,20024100106t,198020,2100106t[10].,,,,PAEs,PVC,PAEs.PAEs.PAEs,,,.1937213m,,PAEs4148gg-1,PAEs.3.2PAEs2,DEHPDnBPDiBPPAEs,DnBPDiBPDEHP[10].PAEs,,.,PAEs.PAEs,PAEs2,.,DEHPDnBPDiBP.3.3PAEsPAEs.2PAEs.2PAEsTable2ComparisonwiththeconcentrationofPAEsinsludge,sedimentandparticlesampleswDMPP(-1)wDEPP(-1)wDnBPP(-1)wDiBPP(-1)wDnOPP(-1)wDEHPP(-1)[11]N1A11.506152N1A.N.A.5125[12]n.d.0100120100200100200102801008001076010040010170100320149[13]N1A101101110013030130N1A1N1A1015023190[14]N1A1N1A12110N1A1N1A120190[15]013611180128N1A127177n1d1[15]017101272120N1A1107176n1d1[15]011311413170N1A1n1d1n1d1[]0104501300100490140217439134019624167017481700163310163N1A1:;n1d1:2,DMPDMP;DEPDMP,DEP;DnBPDnBP,DnBP;DnOP;DEHPDEHP.DMPDEPD