倒置A2O工艺对城市污水的处理效果分析王社平

A2/O121223421．7100682．7100553．7100774．710054A2/O。、、COD、TN、NH3－N、TP、SS90．5%、67．18%、86．43%、54．8%、95．8%。、。A2/OX703C1000－4602201121－0059－04EffectAnalysisofInvertedA2/OProcessforTreatingMunicipalSewageWANGShe-ping12HUANGNing-jun1SHAOJun-feng2PENGDang-cong2SUAi-ni3LUHai-feng4YINBo-han21．Xi’anMunicipalEngineeringDesignandResearchInstituteCo．Ltd．Xi’an710068China2．SchoolofEnvironmentalandMunicipalEngineeringXi’anUniversityofArchitectureandTechnologyXi’an710055China3．No．3WastewaterTreatmentPlantXi’an710077China4．No．4WastewaterTreatmentPlantXi’an710054ChinaAbstractTheactualoperationeffectoftheinvertedA2/OprocessformorethanhalfyearintheNo．4WastewaterTreatmentPlantofXi’anCitywasinvestigated．Theresultsshowthatthetreatmentprocesshasadvantagesofstrongresistancetoshockloadinggoodtreatmenteffectandstableeffluentquality．TheaverageremovalratesofCODTNNH3－NTPandSSare90．5%67．18%86．43%54．8%and95．8%respectively．Inadditionthesecondarysettlingtanksludgefloatinglowremovalef-ficiencyofTPandsoonareanalyzedandrelevantcountermeasuresareproposedtoprovidereferenceforoptimizeddesignandoperationmanagementofsimilarwastewatertreatmentplants．KeywordsinvertedA2/Oprocessmunicipalsewageremovalofnitrogenandphosphorus2009ZX07317－009、。//A/A/OA2/O12·95·2721201111CHINAWATER＆WASTEWATERVol．27No．21Nov．2011。。A2/O200910—20105。11.125×104m3/dA2/O++。→→→→→→→→→→→→→→→→→。200810NH3－N、TN、COD、SSTP《》GB18918—2002B。1A2/O。1A2/OFig．1SchematiclayoutofinvertedA2/Oprocess2、4L×B=118．3m×100m7．0m6．0m。HRT11h0．11kg-BOD5/kgMLSS·d3040mg/L200%14d。、4×63．1kW4×3532L/s7kPa13kW30576。200916～20×104m3/d。80%20%HRT13．67～15．33h3000～5000mg/L。1.2200910—20105A2/O、13．0～26．0、16．0～26．0℃、pH6．54～8．03、6．80～8．041。SS、SS、。1A2/O、Tab．1QualityofinfluentandeffluentofinvertedA2/Oprocessmg·L－1CODNH3－NTNTPSS187．9～464．1827．73～51．6449．37～73．723．68～7．02110～66012．9～38．20～16．2015．9～23．60．62～4．333～191.3BOD5CODTNNH3－NTPPO3－4－PMLSS。22.1CODA2/OCOD2。2CODFig．2RemovalofCOD2A2/OCOD187．9～464．18mg/L304．61mg/L·06·2721．watergasheat．comCOD27．5mg/L90．5%GB18918—2002A。CODCODA2/O。5000mg/L3040mg/LHRTHRT。2.2NH3－N、TNA2/ONH3－N、TN3。3NH3－N、TNFig．3RemovalofNH3－NandTNA2/ONH3－N、TN40．37、57．33mg/L5．3、18．6mg/LNH3－NTN86．43%67．18%。375～120d13～15℃TNTN45mg/LTN。NH3－NTNA2/O3DO2mg/L。2.3TPA2/OTP4。4TPFig．4RemovalofTP4TP7．02mg/L4．91mg/L4．33mg/L2．10mg/LTP54．8%GB18918—2002B。。5000mg/LHRT1h。2.4SSSS110～660mg/L372mg/L260mg/LSS14．2mg/L95．8%A2/OSS。·16·．watergasheat．comA2/O27213①。5000mg/L3000mg/L。②。200911。。4。③。5HRT。。4①A2/OCOD、TN、NH3－N、TP、SS90．5%、67．18%、86．43%、54．8%、95．8%。。②。。1．A2/OJ．200016711－15．2．A2/OJ．200624329－30．3．A2/OJ．200432156－59．4．A2/[e-mail]2011－04－23·26·2721．watergasheat．com