化学生物絮凝强化一级处理工艺的影响因素研究黄天寅

1231．2150112．4000453．200092。TP、SS、CODNH3－NPAFC、PAM。PAFCAl2O310．6mg/L33．3%PAM。X703A1000－4602201007－0019－04AffectingFactorsofEnhancedPrimaryTreatmentProcesswithChemicalandBiologicalFlocculationHUANGTian-yin12XIASi-qing31．DepartmentofEnvironmentalScienceandEngineeringSuzhouUniversityofScienceandTechnologySuzhou215011China2．KeyLaboratoryofThreeGorgesReservoirRegion’sEco-Environment＜MinistryofEducation＞ChongqingUniversityChongqing400045China3．StateKeyLaboratoryofPollutionControlandResourcesReuseTongjiUniversityShanghai200092ChinaAbstractThefactorsinfluencingtheefficiencyofenhancedprimarytreatmentprocesswithchem-icalandbiologicalflocculationfortreatmentoflow-concentrationmunicipalwastewaterwerestudied．TheeffectsofPAFCdosagesludgereturnratioadditionandnoadditionofPAMontheremovalefficienciesofTPSSCODandNH3－Nwereinvestigated．TheresultsshowthattheoptimaleffectcanbeachievedatPAFCdosageof10．6mg/LcalculatedasAl2O3．Controllingthesludgereturnratioat33．3%canobtaineffectivechemicalandbiologicalflocculation．TheadditionofPAMhasnoevidenteffectonimpro-vingtheremovalefficiencyofpollutants．Keywordschemicalandbiologicalflocculationmunicipalwastewaterenhancedprimarytreatmentaffectingfactors、。———1、2、3。。·91·26720104CHINAWATER＆WASTEWATERVol．26No．7Apr．201011.11。1Tab．1Rawwastewaterqualitymg·L－1SS24048113NH3－N36．314．726．0COD31989163SCOD1624282TP4．071．242．57PO3－4－P2．951．031．851.21。1Fig．1Flowchartofpilot-scaleexperiment。、。60s0．03m30．33m。35min1．2m30．55m。。1．5h1m。。PAFCPAM。1.3SSNH3－NTPCOD。22.133．3%、PAFCAl2O3。PAFC10．6mg/L5．3mg/LTP74．9%27．8%47．1%。SSCODPAFCTPSS84．8%53．9%COD68．9%54．2%。TPPAFCAl3+、Fe3+PO3－4－PSSCODCOD。PAFCNH3－N21．4%12．0%。NH3－NPAFC。NH3－NNH3－NNH3－NNH3－N3、4。2.2PAFC10．6mg/L0、33．3%85．7%。TP2。10．6mg/LPAFC。、。33．3%SS84．8%SS。COD65．0%、68．9%67．8%。·02·267．watergasheat．comNH3－NNH3－N13．2%33．3%、85．7%21．4%23．3%。NH3－N。2Fig．2EffectofsludgerecycleratiosonremovaloftotalphosphorusSCOD。2。2SCODTab．2EffectofsludgerecycleratiosonremovalofSCOD/%033．385．7SCOD/mg·L－168．072．090．0SCOD/mg·L－143．039．050．0/%35．045．849．32SCOD35．0%49．3%。。。———AlOH3、FeOH3。。5。2.3PAMPAM。PAFC10．6mg/L、33．3%PAM0．5mg/L。PAMTP71．3%76．7%SS80%COD67．8%72．7%NH3－N20%。PAM。6、7、“”PAM8、9。3①PAFC10．6mg/LTP、SS、CODNH3－N8．05．3mg/L。②33．3%。③PAMPAM。1．J．200622332－35．2．—J．20042578－81．26·12·．watergasheat．com2679．/J．200824721－24．10．J．200634101360－1364．11ZhaoYCLiHWuJetal．Treatmentofleachatebyaged-refuse-basedbiofilterJ．JEnvironEng—ASCE20021287662－668．12．J．200419346－51．13．J．200933422－426．14．M．2001．15．J．2006311125－128．16AhnYH．Sustainablenitrogeneliminationbiotechnolo-giesAreviewJ．ProcessBiochem20064181709－1721．1985－。[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2009－11－20213．J．20041726－10．4XiaSQWangFFuYGetal．Biodiversityanalysisofmicrobialcommunityinthechem-bioflocculationtreat-mentproccessJ．BiotechnolBioeng2005896656－659．5．J．200525753－56．6WilenBMKeidingKNielsenPH．Flocculationofacti-vatedsludgeflocsbystimulationoftheaerobicbiologicalactivityJ．WaterRes200438183909－3919．7DavidCSMatthewJH．Examinationofthreetheoriesformechanismsofcation-inducedbioflocculationJ．WaterRes2002362527－538．8DianacMF．Chemicaldescriptionofextracellularpoly-mersImplicationonactivatedsludgeflocstructureJ．WaterSciTechnol199838845－55．9．/J．200521244－46．1975－。[e-mail]2009－11－11·62·267．watergasheat．com