改良A-2-O工艺生物脱氮除磷应用研究

A2/O杨志泉1,周少奇1,2,何伟3,郭玉4(1.华南理工大学环境科学与工程学院,广东广州510006;2.华南理工大学亚热带建筑科学国家重点实验室,广东广州510006;3.广州市西朗污水处理有限公司,广东广州510030;4.广州市京水水务有限公司,广东广州510385):考察了改良A2/O工艺在西朗污水处理厂(一期)的应用情况对该厂进行了一年的跟踪监测,结果表明,进水BOD5CODNH3-NTNTPSS的平均浓度分别为99.516719.426.92.79119mg/L,经改良A2/O工艺处理后,对BOD5CODNH3-NTNTP的平均去除率分别达到了93.5%84.7%96.9%61.5%78.9%,出水BOD5CODNH3-NTNTP的平均浓度分别为6.525.60.6110.40.59mg/L,出水水质达到了城镇污水处理厂污染物排放标准(GB189182002)的一级B标准,取得了良好的脱氮除磷效果工程实践结果说明,改良A2/O工艺出水水质好运行费用低,适用于城市污水处理厂脱氮除磷:改良A2/O工艺;脱氮;除磷:X703:C:1000-4602(2010)01-0079-04:;(200803);ApplicationResearchofModifiedA2/OProcessforBiologicalNitrogenandPhosphorusRemovalYANGZh-iquan1,ZHOUShao-qi1,2,HEWei3,GUOYu4(1.CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China;2.StateKeyLaboratoryofSubtropicalBuildingScience,SouthChinaUniversityofTechnology,Guangzhou510006,China;3.XilangWastewaterTreatmentPlant,Guangzhou510030,China;4.GuangzhouCityPekingWaterCo.Ltd.,Guangzhou510385,China)Abstract:TheapplicationofthemodifiedA2/OprocessinXilangWastewaterTreatmentPlantwasinvestigated.ThemonitoringresultsforoneyearshowthattheaverageinfluentconcentrationsofBOD5,COD,ammonianitrogen,totalnitrogen,totalphosphorusandSSare99.5,167,19.4,26.9,2.79and119mg/L.AfterthetreatmentofmodifiedA2/Oprocess,theaverageeffluentconcentrationsofBOD5,COD,ammonianitrogen,totalnitrogenandtotalphosphorusare6.5,25.6,0.61,10.4and0.59mg/L,andtheaverageremovalratesare93.5%,84.7%,96.9%,61.5%and78.9%,respectively.Thee-ffluentqualitymeetsthefirstlevelBcriteriaspecifiedintheDischargeStandardofPollutantsforMunici-palWastewaterTreatmentPlant(GB18918-2002).TheoperationresultshowsthatthemodifiedA2/Oprocesshasgoodeffluentqualityandlowoperationcos,tandcanbewidelyusedinwastewatertreatment79第26卷第1期2010年1月中国给水排水CHINAWATER&WASTEWATERVo.l26No.1Jan.2010plants.Keywords:modifiedA2/Oprocess;nitrogenremova;lphosphorusremovalA2/O,,,,[12],,,UCTMUCTJBHA2/OA2/ODephanox[3~5],A2/OA2/OUCT,,A2/O1西朗污水处理厂概况(),50km2(42.6km2),60(40)28km5()113033m2,20104m3/d,A2/O,2004430,ISO14001,,BOD5CODSSTPNH3-NTN,,BOD5CODSSTPNH3-NTN99.51671192.7919.426.9mg/L.2工艺流程1,;A2/O,;,,,;,1Fig.1Flowchartofwastewatertreatmentprocess,50mm,6mm;7.3m,6m;50m,6m;A2/O22A2/OFig.2FlowchartofmodifiedA2/OprocessA2/O,14205760718034580m3,,,,,,,,,3处理效果与分析,11,A2/O,80第26卷第1期中国给水排水(GB189182002)B1Tab.1TreatmentefficiencyofXilangWWTP/(mgL-1)/(mgL-1)/%BOD599.526321.96.512.92.3693.5COD1674543925.646.46.9484.7NH3-N19.430.86.30.6110.90.0196.9TN26.966.89.710.420.44.761.5TP2.796.011.060.592.830.0578.931BOD5BOD5,BOD5,25~275mg/L,BOD5,10mg/L,BOD590%,,,BOD5100mg/L;A2/OBOD5,3233NH3-NFig.3RemovalefficiencyofNH3-N3,,6~32mg/L,,,,A2/O,2mg/L,,100d,A2/O,,33TNTPTN60%(4),,,,,TN,,BOD5NOx-N,BOD5,;NOx-N,NOx-N,,,,4TNFig.4RemovalefficiencyofTNTP,80%,Mulkerrins[6],(VFA)(Mg2+K+Ca2+)DOpH,,,,,,,,PHA,;,,PHA,;2#,PHA,TP81杨志泉,等:改良A2/O工艺生物脱氮除磷应用研究第26卷第1期,4主要经济指标528km,9.85,3,20104m3/d,1500/m3,0.23/m3[0.65/(kWh)],,0.4/m35结论A2/O,,BOD5CODTNTP93.5%84.7%96.9%61.5%78.9%,BOD5CODTNTP6.525.60.6110.40.59mg/L,(GB189182002)B,A2/O,,:[1],,.A+A2O[J].,2005,21(12):83-85.[2],,,.A2/O[J].,2003,29(3):22-26.[3]VaiopoulouE,AivasidisA.AmodifiedUCTmethodforbiologicalnutrientremova:lConfigurationandperform-ance[J].Chemosphere,2008,72(7):1062-1068.[4]KishidaN,KimJ,TsunedaS,etal.Anaerobic/oxic/an-oxicgranularsludgeprocessasaneffectivenutrientre-movalprocessutilizingdenitrifyingpolyphosphate-accu-mulatingorganisms[J].WaterRes,2006,40(12):2303-2310.[5],,,.A2/O/[J].,2004,20(7):86-88.[6]MulkerrinsD,DobsonADW,ColleranE.Parametersa-ffectingbiologicalphosphateremovalfromwastewaters[J].EnvironInt,2004,30(2):120-125.:13724008305E-mail:[e-mail]:2009-07-24(上接第78页),,,(H2O2CO2),,,,COD,20min,75%,COD60%,DB37/67620073结论/MBR,,MBRCODCOD1100~2000mg/L160~220,COD80mg/L,40,COD95%75%,COD(DB37/6762007):[1],,.(MBR)[J].,2007,26(1):18-21.[2],,,.[J].,2006,32(12):47-50.:[phone]E-mail:[e-mail]:2009-07-0682第26卷第1期中国给水排水