改良A2O工艺预缺氧池中的脱氮作用和机理孙孝龙

32A2/O121*3111.6100652.6502243.A2/O15.11%。A2/O。A2/OX703Adoi:10.3969/j.issn.1003-6504.2009.12.0321003-6504(2009)12-0138-04NitrogenRemovalinPre-hypoxiaPoolbyImprovedA2/OProcessSUNXiao-long12JIANGWen-ju1*ZHANGJin1ZHOUQin1JIANGQi11.SchoolofArchitectureandEnvironmentSichuanUniversityChengdu610065China2.DepartmentofEnvironmentalScienceandEngineeringSouthwestForestryCollegeKunming650224China2.WaterTreatmentandResourceEngineeringTechnologyCentreofSichuanProvince,Mianyang,ChinaAbstractPre-hypoxiapoolofimprovedA2/Oprocessisgoodatthenitrogenremovalwithnitrogenremovalinthepre-hypoxiapoolaccountingfor15.11%ofnitrogenremovalinthewholesystem.Bythematerialbalanceofnitrogeninthepre-hypoxiaanaerobicammoniumoxidationANAMMOXwhichisconfirmedandispossibleinimprovedA2/Oprocessisusefulforthereconstructionofwastewatertreatmentplantwithenergysavingandcosteffectiveness.KeywordsimprovedA2/Oprocesspre-hypoxiapoolnitrogenremovalanaerobicammoniumoxidationANAMMOX、、N、P。BA、。。A2/O。A2/O、、、。[1]。A2/OA2/OA2/O、A2/O、A2/O、UCT[2-3]。A2/O。11.11。15.5L0.5L1.5L2.5L7L4L。。。1L/h0.3L/h0.7L/h。2008-09-202008－10－142008“”[e-mail]*[e-mail]。EnvironmentalScience&Technology3212200912Vol.32No.12Dec.2009121.2CODCODPO43--P-NH3-NNO3--NNO2--NN-1--ORPORPTN《》。1.3、、、、、。1。1.42h1L/h0.3L/h0.7L/h200%50%。COD、PO43--PNH3-N50mg/L、2mg/L5mg/L。。。22.12。COD311mg/L634mg/L169mg/L60mg/L159mg/L14mg/L。COD。TN32.88mg/L49.62mg/L16.89mg/L13.82mg/L30.47mg/L3.59mg/L。CODTN80.64%57.97%。。2.23。NH4+-N30.42mg/LNO3--N0.08mg/LNO2--N0.03mg/LTN32.88mg/L。NH4ClTNNH4+-NNH4+-NTN。2.34。、、。NO3--NNH4+-N8.90mg/LNO3--N3.48mg/LNO2--N0.12mg/LTN14.15mg/L。1Table1Theinletwaterquality(mg/L)(mg/L)COD200~450350PO43--P3~85NH3-N20~5035TN20~5035A2/O139322.40.5L/h0.3L/h。5。NH4+-N15.09mg/LNO3--N0.38mg/LNO2--N0.04mg/LTN17.57mg/L。3A2/ONH4+-NNH4+-NDO0.7mg/LBOD[4]。A2/O。。NH4+-N15.09mg/L16.97mg/L1.89mg/LNO3--N0.38mg/LNO3--N2.205mg/L1.83mg/LTN17.57mg/LTN21.17mg/L3.6mg/L。TN3.6mg/LNO3--N1.83mg/LNH4+-N1.89mg/LTNNO3--NNH4+-NNO2--NNH4+-N。。NH4+NO3-NO2-[5]。[6]。NH4+-NTN。DelftSHARON/AnammoxCANON[7-8]SBR。A2/ONO3--NNO2--NNH4+-NA2/O。NH4+-NNO3--NA2/O。12NH4+NO2-34。A2/O。4A2/OA2/O15.11%。A2/O。140121311~7、4。4。、、、。。[][1].[J].2004,20144-45.WangTing-yuAnXiang.InvestigationandanalysisofshipspollutiononthemiddleandlowerreachesofYangtseRiver[J].WaterResourceProtection2004,20144-45.inChinese[2].[J].2006,2654-55.JiangBo.Discussiononthecontrolofpollutionfromshipsininlandwatersmaritimeworkshop[J].ChinaMaritimeAf－fairs2006,2654-55.inChinese[3].[J].2006291246-48.LiuXiao-dongYaoQiZhaYu-han.Quantitativeas－sessmentmethodforshipsoilpollutioncontrolengineering[J].EnvironmentalScience&Technology2006291246-48.inChinese4Table4CalculationofpollutionsourcesamountinSu-nanCanal(km)(kg/d)~1.527.3048.700.30~26.5497.02886.785.48~541465.762615.2016.16~29.51033.841844.5711.40~20.5735.941313.058.11~552224.583969.0824.53~261149.512050.9612.672137133.9412728.3478.66A2/O。[][1].A2/O[J].2003400322-25.ZhangJieZangJin-hongYangHong,etal.AstudyontheinherentshortcomingsandcountermeasuresofA2/Opro－cess[J].Water&WastewaterEngineering2003400322-25.inChinese[2].A2/O[J].200319624-27.WangNian-hong.Thedesignandapplicationofthemodi－fiedA2/Oprocess[J].ChinaWater&Wastewater200319624-27.inChinese[3].A2/O[J].200730689-90.LiaoXiong-mingGuLing-yanLinLin.ExperienceinmodifiedA2/Oprocessoperation[J].EnvironmentalScience&Technology200730689-90.inChinese[4].A2/O[J].200222632-35.ZhangBao-junGengDe-qiangZhangYan-qiu.StudyonapplicationofA2/Oprocessinmunicipalwastewatertreatment[J].EnergyEnvironmentalProtection200222632-35.inChinese[5].ANAMMOX[J].2004273111-113.LiYa-xinLiuMei-xia.Anovelprocessofnitrogenre－movalANAMMOX[J].EnvironmentalScience&Technolo－gy2004273111-113.inChinese[6]VandeGraafAA.Anaerobieoxidationofarnmoniumisabiologicallymediatedprocess[J].ApplEnvironMicrobial1995611246-1251.[7]VanDongenUJettenMSMVanLoosdrechtMCM.TheSHARON-Anammoxprocessfortreatmentofammoni－umrichwastewater[J].WatSciTech2001441153-160.[8].CANON[J].200430824-29.MengLiaoChenYongChenShi.CANONprocessintreatinghighconcentratedammoniumofleachate[J].Water&WastewaterEngineering200430824-29.inChi－neseA2/O!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!141