9UV254作为水处理中有机物控制指标的意义

1006-7329200202-0061-05UV254①400045UV254TOCDOCTHMsUV254UV254UV254UV254TOCTU991.21AUV2541UVAUV254UV254NPTOCDOCTHMFPUV254TOCDOCTHMsTOCUV254UV2541UV2541.1UV254UV254254nmUV254=A/b×DUV254UVcm-1bcmAD=/1.2UV254UV254UV2541UV254254nm24220024JournalofChongqingJianzhuUniversityVol.24No.2══════════════════════════════════════════════════════════Apr.2002①2002-01-081956-2UV254254nmUV2542UV2545×102～105UV254UV254UV254TOCDOCTHMsTHMFPTOCUV2542.1UV254TOCDOCTOCDOCTOCTOCTOCTOCDOCTOCTOCUV254TOCDOCUV254TOCDOC200～400nm250～260nm1220～400nm2220～250nm3250～290nm4250～350nm5300nmDOC40～60%UV254UV254/DOCUV2543000500226242.2UV254THMFPDBPsTHMs3THMsTHMsDBPsTHMFPUV254UV254UV254TOCDOCTHMFPUV254UV254UV254TOCDOCTHMFPTOC3UV2541985J.K.EdzwaldUV254TOCNPTOC-THMFPUV254NPTOCTHMFPUV254NPTOC-UV254THMFP-NPTOCTHMsUV254/TOCGrasseGlen-moreTHMsUV254THMFP-UV254GrasseNPTOC-UV254THMFP-UV254GrasseUV254/TOC4～5UV254/TOCGrasseNOM4UV254NPTOCTHMFPNPTOC-UV254THMFP-NPTOCTOCPOCCOCDOCDOCTOCDOC-UV254RobertL.SinsaboughⅢUV254DOC4UV2544.11362UV25420.45µm1～1.5µm2.2～4.7cmUV2543DOC0.3mg/L54.210.005～0.900250mLpHpHUV254pH=4～1063254nmKHP4.31.1UV254UV254UV25410%UV2544.41235UV254UV254NPTOCDOCTHMFPNOMDBPsTOX-HAAs-UV254UV254UV254TOCDOCTHMFP46241EATONAD.MeasuringUV-AbsorbingOrganicsAStandardMethodJ.Jour.AWWA199587286-90.2EDZWALDJK.CoagulationinDrinkingWaterTreatmentParticlesOrganicsandCoagulantsA.ControlofOrganicMa-terialbyCoagulationandFloc-SeparationProcessWaterScience&TechnologyC.OxfordPergamonPress199321-35.3.M.1999.4DENNETTKEAMIRTHARAJAHAMORANTFGOULDJP.CoagulationItsEffectonOrganicMatterJ.Jour.AWWA1996884129-142.5StandardMethodsFortheExaminationofWaterandWastewater19thEditionS.APHAAWWAWPCF.WashingtonDC.1995.6..M.1994.TheMeaningofUV254asanOrganicMatterMonitoringParameterinWaterSupply&WastewaterTreatmentJIANGShao-jieLIUZong-yuanFacultyofUrbanConstructionandEnvironmentEngineeringChongqingUniversityBChongqing400045ChinaAbstractThroughthediscussionfromaviewdifferentfromthetraditionalthecorrelationsbetweenUV254andorganicmattermonitoringparametersinthefieldofwatersupplyandwastewatertreatmentwasdiscussedsuchasTOCDOCandTHMsprecursors.AccordingtotheexplanationofapplicabilityinthispaperUV254canbeusedasasurrogateparameter.ThemeasurementofUV254asasurrogateparameterhasseveraladvantagessuchasinexpensiveinstrumentconvenientoperationlowoperatingcostsgoodcorrelationstotheparameterssurrogatedhighaccuracyandexcellentdatareappearanceinmultiplemeasurements.TheapplicationofUV254asanindirectparameterisquitevaluableespeciallyunderthecurrentfinancialleveloftheoperationandmonitoringofthewaterandwastewatertreatmentplantsandthelaboratoryresearchinChina.KeywordsUV254measurementoforganicmattersurrogateparameterhumus562UV254