您好,欢迎访问三七文档
当前位置:首页 > 建筑/环境 > 设计及方案 > 倒置A2O系统中碳氮磷的物料平衡分析
29420114HENANSCIENCEVol.29No.4Apr.20112011-02-230821023500041986-1967-.1004-3918201104-0480-04A2/O、、11221.4500022.450001A2/O、、、、.A2/OX505X502AUCT、A2/O、A2/OA2/O、、A2/O、、.、、[1].A2/ONO-3-N、NO-2-N、TP、、.1A2/O170000m3/d9d12dCOD220~280mg/LTN40~60mg/LTP6~8mg/L45%10%45%.80%20%.1A2/OFig.1OperationalconditionandtechnologicalflowoftheinvertedA2/Oprocess、、、.△△△荥荥荥荥荥荥荦荦△茳茳荥45%10%45%80%20%Q0QrQRQwS0.TNS0.NO3-NS0.CODS0.TPSa.TNSa.NO3-NSa.CODSa.TPSb.TNSb.NO3-NSb.CODSb.TPSc.TNSc.NO3-NSc.CODSc.TPSd.TNSd.NO3-NSd.CODSd.TPSR.TNSR.NO3-NSR.CODSR.TP2011422.1CODA2/OCOD3CODCOD、COD.2.1.1CODkg/dCODQ0-QwCODSd.CODCODoff=Q0-QwSd.COD.12.1.2、CODCODCODCODNO3-NCODPAOCODaer1COD.CODYwVSS∶wCOD=g∶gμNO3-Nd-1YY0.34[2]μNO3-NμNO3-N=μmax.NO3-N·SS+Ks×SNO3SNO3+KNO3×KiO2KiO2+c′2μNO3-N0.18CODNO3-N=XB.H×V×μNO3-N/Y.3μmax.NO3-N2.6d-1Ks200mg/LKNO30.14mg/LKiO20.15mg/LXB.H.2COD.Smolders30mgHAc32mgCOD12.5mg38mg28.6mgPHB47mg[3]CODPAO=△SC.TP×32/47.4△SC.TP.3COD.Q0+Qr+QR×Sc.COD=Q0+Qr+QR×Sd.COD+△Sd.COD.5Sd.CODCODCODaer=△Sd.CODCOD.CODCODbig=CODNO3-N+CODPAO+CODaer.62.1.3CODMLVSSCODfCV=1.48[4]CODw=Qw×XVSS×fCV7CODCODoutCODout=CODoff+CODbig+CODw.8CODCODinCODin=Q0×S0.COD.9COD98.7%COD.A2/O、、481--294COD1.2.232.2.1TNoffQ0-QwTNSd.TNTNoff=Q0-Qw×Sd.TN.102.2.2TNwfN[5]MLVSSTNfN=0.10TNw=Qw×XVSS×fN.112.2.3TNdenitTNTNanoxTNanaerTNanoxTNanaerTNdenit=TNanox+TNanaer=△Sa.NO3-N+△Sb.NO3-N+△Sc.NO3-N.12NOx-NSNDSNDTNTNSND.TNout=TNoff+TNw+TNdenit+TNSND13TNin=Q0×S0.TN.14TN92.6%2.2.3TP2.3.1kg/dTPQ0-QwTPSoffTPoff=Q0-Qw×Soff=46.6.152.3.2TPwkg/dSofffp0.04871mgVSS0.0487mgTP.TPw=Qw×fp×X=4538×2060×0.0487×0.65=295.7916TPkg/dTPout=TPoff+TPw=342.3917TPkg/dTPin=Q0×S0.TP=433.7.183.TP78.9%.2.412CODTNTNNO2CODCOD.COD/kg·d-1187873564400600306689891568244.23/%10019.62.13.116.347.810.21.31CODTab.1ThedistributionfortheremovalquantityofCOD2Tab.2ThedistributionfortheremovalquantityofTN/kg·d-137111044113328422607.38922.8273/%10028.13.08.811.416.424.97.43Tab.3ThedistributionfortheremovalquantityofTP/kg·d-1433.746.6295.7991.51/%10010.768.221.1482--20114.pH7.0~7.3<0.1~0.15wBOD/wMLSS·dDO0.5mg/L、、COD、、COD..3..CODVFA、、pH.CODVFVpH7~7.51.5mg/L0.5mg/L.2.1、2.31COD、、A2/O.2.1NowakO.ParameterestimationforactivatedsludgeModelswiththehelpofmassbalancesJ.WaterScienceTechndogy1999394113-120.2UdoWiesmannInSuChoiEva-MariaDombrowski.M.2009182-185.3SmoldersGJF.Astructuredmetabolicmodelforthean-aerobicandaerohicstoichiometryofthebiologicalphosphorusremovalprocessJ.BiotechnologyandBioengineering199547277-287.4EwaLie.Carbonandphosphorustransformationsinafull-scaleenhancedbiologicalphosphorusremovalprocessJ.WaterResearch199731112689-2693.5WentzelMCUbisiMFEkamaGA.HeterotrophicactivebiomasscomponentofactivatedsludgemixedliquorJ.WaterScienceTechnol1998374/579-87.AnalysisofMaterialBalanceonCarbonNitrogenandPhosphorusinInvertedA2/OProcessHaoXiaoxu1GaoJianlei1LiSheng2GaoAihua21.CollegeofWaterConservancyandEnvironmentalEngineeringZhengzhouUniversityZhengzhou450002China2.ZhengzhouSewagePurificationCompanyZhengzhou450001ChinaAbstractBasedontheanalysisoncarbonnitrogenandphosphorusineachbiologicaltreatmentunitandthesecondarysedimentationtankoftheinvertedA2/Oprocessinamunicipalsewagetreatmentplantamassbalanceformulawasestablishedthematerialflowofcarbonnitrogenandphosphoruswereresearchedandtheremovalefficiencyofnitrogenandphosphoruswereanalysed.Theresultsshowedthatthesimultaneousnitrificationanddenitrificationwasexistedinaerobicpoolandlessaerationcannotonlyimprovetheremovalefficiencyofnitrogenandphosphorusbutalsosaveenergy.KeywordsinvertedA2/OcarbonCnitrogenNphosphorusPmaterialbalanceA2/O、、483--
本文标题:倒置A2O系统中碳氮磷的物料平衡分析
链接地址:https://www.777doc.com/doc-6553314 .html