臭氧对饮用水中氯化消毒副产物生成的影响

810环境工程学报Vol．8No．10201410ChineseJournalofEnvironmentalEngineeringOct．2014*100085NOM、。、、NOMDOC、、。、、。NOM、12min。NOMTU991A1673-9108201410-4091-06Influenceofozonationonformationofchlorinationdisinfectionby-productsindrinkingwaterZhangSuonaWangHaiboLiXiaoxiaoZhuYingHuChunＲesearchCenterforEco-EnvironmentalSciencesChieseAcademyofSciencesBeijing100085ChinaAbstractTheexperimentalrawwatertreatedbysandfiltrationwasfromadrinkingwatertreatmentplantinBeijing．TheeffectsofO3contacttimeonNOMpropertystructureandchlorinateddisinfectionby-productsDBPsformationindrinkingwaterwerestudied．NOMwascharacterizedbyhighperformancesizeexclusionchromatographyexcitation-emissionmatrixandFouriertransforminfraredspectroscopy．TheanalyticalresultsshowedanincreaseinDOCcontentandhydrophilicitybutadecreaseinaromaticityandmolecularweightafterozonation．Functionalgroupssuchashydroxycarbon-carbonorcarbon-nitrogendoublebondsandtheirconjuga-tedsystemsdeprotonatedcarboxylinNOMwerefoundhighreactivitywithchlorine．TheresultsofNOMproper-tystructureandDBPsyieldsindicatedthattheoptimumO3contacttimewas12min．KeywordsozonationNOMchlorineDBPscontacttime51308529“”2012ZX074040022013－09－032013－10－231989—。[e-mail]*[e-mail]M1。NOM2。NOM、3NOM4。56-8。NOM。THMsHAAs9。11．13S-A55g/h20min200mL/min0．1A。42～46mg/L。81NOMTable1PropertychangesofNOMbeforeandafterozonationDOCmg/LSUVAL/mg/mUV254cm－1MwDaa．1．9211．220．0232586b．-6min2．1080．700．0148536c．-12min2．2910．590．0135505d．-18min2．5680．440．0113486THMsHAAs。6L。NOM。6、1218min。1．2。pH8．35DOC1．92mg/LCa-CO3117mg/LSO2－4、Cl－NO－349、193．8mg/L。1．3pHHachHQ30DpHDOCTOCSHIMADZUTOC-VCPHSO2－4、Cl－NO－3DI-ONEXICS-1000、10。HPSECAgilentTechnologies1200Series、EEMAgilentTechnologiesCaryEclipse、FT-IＲNicolet8700NOM。THMsHAAsAgilentTechnologies6890N。22．1NOM1DOC1．921mg/L2．568mg/L11。SUVA。Mw12。1HPSECNOM。1＞550DaNOM250～550Da250Da。NOM。1NOMFig．1DistributionofNOMwithdifferentmolecularweight2。5IIIλex＜250nmλem＜380nm、IIIλex＜250nmλem＞380nm、IV250nm＜λex＜280nmλem＜380nmVλex＞250nmλem＞380nm13。2a。b、c、da。NOM。NOMπ14π。2904102Fig．2EEMofwatersamplesbeforeandafterozonation2．2NOM2．2．1氯消耗曲线3。3bac、d。NOM15。NOMNOM16。bNOM3Fig．3Chlorinedepletioncurvec、dNOM。c、db。2．2．2反应速率常数lgc/c0tＲ20．70～0．98430min30～600min。2。b0～30min30～600min。0～30mina、cd30～600mincda。2．2．3氯化过程NOM的变化4NOM。4NOM17。4、610h34hNOM390482Table2Ｒeactionrateconstantandcorrelationcoefficient0～30min30～600minks－1Ｒ2ks－1Ｒ2a0．2880．780．0120．97b-6min0．4200．820．0300．98c-12min0．2880．700．0180．96d-18min0．2940．750．0180．96THMs、HAAs。4NOMFig．4DistributionofNOMwithdifferentmolecularweightafterchlorination5NOM。—OH3400cm－1、—CC—CN1640cm－1、—COO－1380cm－1—CO1090cm－118-20。。NOM、、、NOM。610h、、。21β-2215。。5Fig．5FTIＲspectrumsofdifferentwatersamples2．34、610hTHMs、HAAs。7ATHMsbc、dad。bTHMsbNOMTHMs。c、dadβ-22THMsSU-VA、MwHPSECb、c、d6NOMFig．6FTIＲafterchlorination4904107THMs、HAAsFig．7ProductionofTHMsHAAsafterchlorination。7Bb、c、dHAAsab、c、d。HAAs23SUVAb、c、dSU-VAab、c、dab、c、dHAAsa。10ha、b、c、dHAAsUV254Ｒ20．96HAAs。31MwMwNOM。2、、。36min。1218min12min。12min。1ParkH．KimY．AnB．etal．Characterizationofnaturalorganicmattertreatedbyironoxidenanoparticleincorporat-edceramicmembrane-ozonationprocess．WaterＲesearch201246185861-58702degaardH．sterhusS．MelinE．etal．NOMremovaltechnologies-Norwegianexperiences．DrinkingWaterEngi-neeringandScienceDiscussion201031-93MatilainenA．GjessingE．T．LahtinenT．etal．Anover-viewofthemethodsusedinthecharacterisationofnaturalorganicmatterNOMinrelationtodrinkingwatertreat-ment．Chemosphere201183111431-14424KleiserG．FrimmelF．H．Ｒemovalofprecursorsfordisin-fectionby-productsDBPs-differencesbetweenozone-andOH-radical-inducedoxidation．ScienceoftheTotalEnviron-ment200025611-95ChiangP．C．ChangE．E．LiangC．H．NOMcharacteris-ticsandtreatabilitiesofozonationprocesses．Chemosphere2002466929-9366WertE．C．Ｒosario-OrtizF．L．Effectofozonationontriha-lomethaneandhaloaceticacidformationandspeciationinafull-scaledistributionsystem．OzoneScienceandEngineer-ing201133114-227YanM．WangD．MaX．etal．THMsprecursorremovalbyanintegratedprocessofozonationandbiologicalgranularactivatedcarbonfortypicalNorthernChinawater．Separa-tionandPurificationTechnology2010723263-2688ChuW．GaoN．YinD．etal．Ozone-biologicalactivatedcarbonintegratedtreatmentforremovalofprecursorsofhal-ogenatednitrogenousdisinfectionby-products．Chemo-sphere201286111087-10919HuaG．ＲeckhowD．A．Comparisonofdisinfectionbyprod-uctformationfromchlorineandalternativedisinfectants．WaterＲesearch20074181667-167810．4．200211TreguerＲ．TatinＲ．CouvertA．etal．Ozonationeffectonnaturalorganicmatteradsorptionandbiodegradation-Applicationtoamembranebioreactorcontainingactivatedcarbonfordrinkingwaterproduction．WaterＲesearch2010443781-78812AtesN．KitisM．YetisU．Formationofchlorinationby-productsinwaterswithlowSUVA-correlationswithSUVA59048anddifferentialUVspectroscopy．WaterＲesearch200741184139-414813YangX．ShangC．LeeW．etal．CorrelationsbetweenorganicmatterpropertiesandDBPformationduringchlo-raminationWaterＲesearch2008428-92329-233914．．2005TianGuangjun．Identificationanddeterminationofoilinwaterbasedonthree-dimensionalfluorescencesp