海水盐度对AO生物系统处理效果的影响于德爽

303Vol.30No.32009JournalofQingdaoTechnologicalUniversityA/O于德爽,冷栋栋,吴祥芬(,266071)　:A/O,COD500～600mg/L,NH3-N80～90mg/L,pH7.0～8.0,2～3mg/L,18～25℃,(10%,30%,50%,70%)NH3-N,,.:30%,,CODNH3-N90%,NH3-N;30%,;50%,97%,;,、、,SVI.:;COD;NH3-N;;:X703.1　　　:A　　　:1673—4602(2009)03—0094—06:2008—11—18:(50678085):(1964-　),,.,,.E-mail:[e-mail]ityonProcessingEffectofA/OBiologySystemYUDe-shuang,LENGDong-dong,WUXiang-fen(CollegeofChemicalandEnvironmentalEngineering,QingdaoUniversity,Qingdao266071,China)Abstract:Theexperimenthasbeeninitiatedtostudytheinfluenceofdifferentseawatersalin-ities(10%,30%,50%,70%seawaterproportion)ontheremovalefficiencyofCODandNH3-N,theshortcutnitrification-denitrificationofthesystem,theactivatedsludgeconfigura-tionandthesettlingcharacteristicsbyA/Oprocess,undertheconditionsoftheinfluentCOD500～600mg/L,NH3-N80～90mg/L,pH7.0～8.0,DO2～3mg/Landthetem-perature18～25℃.TheresultoftheexperimentindicatesthattheremovalefficiencyofCODandNH3-Nisabout90%afterbeingdomesticatedinthe30%seawatersalinityandtheseawatersalinityhaslessinfluenceontheremovalefficiencyofNH3-NthanthatofCOD.Thesystemcouldachievetheshortcutnitrification-denitrificationbycontrollingtheseawatersalinityabove30%,andthenitrosationratecouldbesteadiedat97%in50%sea-watersalinity.Thesludgeflocculationischangingfromopenandlooseintocloseandcom-pactwiththeincreaseofseawatersalinity,andtheSVIisdroppingunceasingly.Keywords:seawatersalinity;theremovalefficiencyofCOD;theremovalefficiencyofNH3-N;shortcutnitrification-denitrification;activatedsludgeconfiguration3　　,:A/O0　[1],,.:,[2-4]..,,,.1　1.1　、、NH4Cl、KH2PO4、Na2CO3,COD500～600mg/L,NH3-N80～90mg/L.10%,30%,50%,70%.3.5%,35000mg/L,Cl-19000mg/L.,Cl-1.1　Cl-/%/(mg·L-1)Cl-/(mg·L-1)103500190030105005700501750095007024500133001　A/O1.2　、:COD(),NH3-N()[5],NO-2-N[N-(1-)—],NO-3—N()[6],pH(pH211),(OLYMPUSCX31,)[7].(1)70L,6(21/4,4).2,4.,20L.、.1.3　:18～25℃,pH7.0～8.0,DO2～3mg/L,4000～5000mg/L,2～3,0.8～1,HRT14～15h.:,(10%,30%,50%,70%),,.1.4　,,.A/O(1),MLSS,、.1,,,MLSS4500mg/L,,,.95302　2.1　,.,Cl-、SO2-4、Na+、Ca2+,.,Cl-,,,.A/O,,10%,30%,50%,70%,A/OCOD.2　2,310%,COD,90%,,COD.,,COD.,30%.,COD,1,COD88%,30%,COD.50%,,COD.,50%,,.Ingram,NaCl10g/L,[8].,2,COD,80%.,,A/OCOD.:,,,;,,.70%,COD70%,COD170mg/L,.,70%,A/O.,50%,A/OCOD,,.2.2　,.10%,30%,50%,70%,A/O.32,30%,,90%;1.4mgN/(gMLSS·h),(1.5mgN/(gMLSS·h)),.,30%,,.50%,,,1,,88.5%,1.1mgN/(gMLSS·h).,,,,,.,963　　,:A/O3　2　/%/%/[mgN·(gMLSS·h)-1]1092.11.433091.31.385088.51.107076.50.78COD:COD.:,,、,COD,COD.5%,,.,COD.,,[4].,.70%,,75%,20mg/L.,A/O,0.8mgN/(gMLSS·h).,50%,A/O1.1mgN/(gMLSS·h),.2.3　(AOB)(NOB),,,NOBAOB.,,,.,.4　4,,,.4,30%,,50%,,687%..:、,,[9].,NOB,;AOB9730,,..,,.NOB,30%,,.50%,,1.2mg/L;,,33mg/L.97%,.50%,,NOB,,AOB,.,,AOB0.02d-1.70%,95%,,,.,AOB,.,30%,A/O,50%,,.5　SVI2.4　,.,.,,,,.,,,5.,,6.:10%,,,,.30%,,,,,.70%,,,,,,.6　,,,、,.,,,,.,983　　,:A/O,,.,Magara[10],,,,.,Na+、K+,,,.,,,SVI.3　(1)30%,A/OCOD,90%;50%,,COD80%;70%,,COD70%.(2).50%,A/O1.1mgN/(gMLSS·h),88.5%;70%,,75%.(3)AOBNOB,30%,A/O.50%,97%,.(4),、、,SVI,.(References):[1]　,,.[J].,1998,24(3):64-65.YOUZuo-liang,JIANGZhan-peng,ZHUWan-peng.DirectUtilizationofSeawaterandAnalysisofEnvironmentalProblem[J].Water&WastewaterEngineering,1998,24(3):64-65.[2]　,,,.NaCl[J].,2008,34(6):632-635.WANGShu-ying,TANGBing,PENGYong-zhen,etal.InfluenceofNaClSalinityonNitrogenRemovalofActivateSludgeSystem[J].JournalofBeijingUniversityofTechnology,2008,34(6):632-635.[3]　ANLi,GUGuo-wei.TheTreatmentofSalineWastewaterUsingaTwo-StageContactOxidationMethod[J].WatSciTech,1993,28(7):31-37.[4]　,,.A/O[J].,2005,31(9):34-37.YUDe-shuang,PENGYong-zhen,QIAOWen-tao.ExperimentalStudyontheTreatmentofSalinitySewagebyA/OProcess[J].Wa-ter&WastewaterEngineering,2005,31(9):34-37.[5]　.[M].3.:,1997:421-422.NationalEnvironmentalProtectionBureau.WaterandWasteWaterMonitorAnalysisMethod[M].3rded.Beijing:ChinaEnviron-mentalSciencePublishingHouse,1997:421-422.[6]　,,,.[J].,2007,24(4):256-257.SUNShi-ping,XINGDa-rong,ZHANGLan,etal.DeterminationofNitrate-NinWaterby2-Isopropyl-5-MethyphenolSpectrophotom-etry[J].JEnvironHealth,2007,24(4):256-257.[7]　.[M].:,2004:191-194.LIJian-zheng.EnvironmentalEngineeringMicrobiology[M].Beijing:ChemicalIndustryPublishingHouse,2004:191-194.[8]　IngramMS.TheInfluenceofSodiumChlorideandTemperatureontheEndogenousRespirationofBacillusCereus[J].JournBacter,1939,38:613-618.[9]　,,.[J].,2007,23(3):40-43.SUNXiao-jie,XUDi-min,YUDe-shuang.StudyonShortcutNitrificationofSeawaterToilet-FlushingSewage[J].ChinaWater&Wastewater,2007,23(3):40-43.[10]　MagaraY,NambuS,UtosawaK.BiochemicalandPhysicalPropertiesofActivatedSludgeonSettlingCharacteristics[J].WatRes,1976,10:71-77.(英文校审　刘学云)99