废污水的理化指标及其对发光细菌的毒性分析

()1,1,2,3,1,1(1.,116605;2.,116024;3.,116024):()SSpHCOD,,,,()EC50COD;()COD(GB89781996),,(),(),():;;:X703.1:C:1000-4602(2008)21-0096-03WastewaterCharacterizationandAnalysisofItsToxicitytoPhotobacteriaDONGYu2ying1,LEIBing2li1,WANGZhuang2,3,ZHANGChun2bao1,CHENTao1(1.DepartmentofEnvironmentalEngineering,DalianNationalitiesUniversity,Dalian116605,China;2.SchoolofEnvironmentalandBiologicalScienceandTechnology,DalianUniversityofTechnology,Dalian116024,China;3.KeyLaboratoryofIndustrialEcologyandEnvironmentalEngineeringMinistryofEducation,DalianUniversityofTechnology,Dalian116024,China)Abstract:ThecharacterizationofdifferentwastewaterwascarriedoutthroughdeterminationofSS,pH,conductivityandCOD.Thebiotoxicityofwastewaterwasdeterminedbyphotobacteriamethodande2valuatedaccordingtothetoxicitygradingstandard.TheresultsshowthatthereisnocorrelationbetweenEC50andCOD,conductivity.AlthoughpartofwastewaterreachesthefirstorsecondstandardofIntegrat2edWastewaterDischargeStandard(GB8978-1996),ithastoxicitytophotobacteriatosomeextent.Itindicatesthatthecombinationofthephysico2chemicalcharacterizationandthebiologicalanalysiscanprovidethecorrectinformationforestablishingthewastewaterdischargestandard.Keywords:wastewatercharacteristic;photobacteriamethod;biotoxicity:(2007170);(0605)(),(EPA),(),[1]692421200811CHINAWATER&WASTEWATERVol.24No.21Nov.2008,,()[24],(),,()COD1111,,,;,112SSpH[5],CODCOD113(Photobacteri2umphosphoreum)[6],10,3,100%0()[6]EC50(),pH4pH67114Bolich[7],11Tab.1ToxicitycategorystandardofpercentagegradeEC5025%25%75%75%100%100%EC50221110()22Tab.2AnalysisofwastewaterqualitySS/(mgL-1)pH/(mScm-1)COD/(mgL-1)207.360.23740.754904.4224.868.471205.281.65256.7837.16.44154.0101.0970.96.27115.3534.73181.07.651.179315.3014.87.361.234116.922.1284.3459.14H2SO4/FeSO41.75141.7912.48NaOH1.77139.9914.052,()SS20490mg/L,(GB89781996);10()pH1.757.36,pH3,;10(),0.237mS/cm,,100mS/cm;10()COD,COD900mg/L,COD100mg/L,(GB89781996),COD(),21210()33,10():H2SO4/FeSO4NaOH,EC5025%,;EC5025%75%,;EC5075%100%79:()2421,3()Tab.3ResultsoftoxicitytestofwastewaterEC50/%84.63014.85548.59311.08417.67171.33786.3791.260H2SO4/FeSO40.370NaOH0.82423,COD116.92mg/L,;COD68.4756.78101.09mg/L,COD,,EC50CODEC50,154.0mS/cm,EC5011.084%,84.3mS/cm,EC501.260%23,,,,;,H2SO4/FeSO4COD,,H2SO4/FeSO4,COD,,pH,pHCOD,EC50,3COD,COD(GB89781996),;COD(GB89781996),,(),,(),()(),():[1]ProthroMG.Officeofwaterpolicyandtechnicalguid2anceoninterpretationandimplementationofaquaticlifemetalscriteria[R].WashingtonDC:USEPA,1993.[2],,,.[J].,2003,25(2):56-58.[3]KellyCJ,TumsarojN,LajoieCA.Assessingwastewatermetaltoxicitywithbacterialbioluminescenceinabench2scalewastewatertreatmentsystem[J].WaterRes,2004,38(2):423-431.[4]PintarA,BessonM,GallezotP,etal.ToxicitytoDaphinamagnaandVibriofisheriofKraftbleachplanteffluentstreatedbycatalyticwet2airoxidation[J].WaterRes,2004,38(2):289-300.[5].(3)[M].:,1989.[6].[M].:,1989.[7],,.[J].,2005,25(1):65-67.:[phone]E-mail:[e-mail]:2008-03-21892421