尉国红,侯巧玲,罗国强,关云峰,张 璐(北京城建环保投资发展股份有限公司,北京100022) :,,:20~25℃,2,,A;COD,,10℃,85%;、、、,6℃,NH3-N75%,5℃,。:;;;:X703 :A :1671-1556(2010)05-0008-04:2010-03-05 :2010-08-26:(1963—),,,。E-mail:wgh1279@sina.comOperationofMunicipalSewageTreatmentPlantinLowTemperatureWEIGuo-hong,HOUQiao-ling,LUOGuo-qiang,GUANYun-feng,ZHANGLu(BeijingUrbanConstructionEnviromentalProtectionInvestment&DevelopmentCo.,Ltd.,Beijing100022,China)Abstract:TheoperationofDachengSewageTreatmentPlantinHebeiProvinceisintroduced.Inthetem-peraturerangeof20~25℃,thebiologicalsystemisrunninginastablewayandallindicatorsreachAdis-chargestandardsafter2monthsscultivationanddomestication.LowtemperaturehasnosignificantimpactonCOD,butithasconsiderableimpactonnitrifyingbacteria.Whenthewatertemperaturedropsto10℃,thenitrificationefficiencydropsto85%.Bymaintaininghighsludgeconcentration,loweringsludgeloadandincreasingdissolvedoxygen,theNH3-Nremovalratecanbebasicallymaintainedat75%whenthewa-tertemperatureisfurtherreducedto6℃.Butwhenthewatertemperaturedropsto5℃,thenitrationreac-tionalmoststops.Keywords:sewage;lowtemperature;nitrobacteria;nitrificationefficiency0 。,15~25℃,,[1]。,,,CODNH3-N。1 BOT,。、,,《》(GB18918-2002)[2]A。1。17 52010 9 安全与环境工程SafetyandEnvironmentalEngineering Vol.17 No.5Sep. 20101 Fig.1 Flowchartoftreatmentprocess1.5×104m3/d,10,10.8km2;4.0×104m3/d,16.6,16.7km2。。1,HRT1.5h;1,:17~20d,0.09kgBOD5/(kgMLSS·d),MLSS3.5g/L,HRT12h,100%。13,6(42),1,2(11)。、1。1 、(mg/L)Table1 Designvalueofinfluentandeffluentquality(mg/L)BOD5CODSSTNNH3-NTPpH19037019045403.06~9≤10≤50≤10≤15≤5(8)≤0.56~92 2.1 ,,,。72h。2。2 (mg/L)Table2 Actualwaterconcentrationofpollutants(mg/L)BOD5CODSSTNNH3-NTPpH8020015045401.56~92.2 ,80%。,,。,。2,A,CODNH3-N2、3。2,COD,COD80%,CODA。3:NH3-NNH3-N,NH3-N;5dNH3-NNH3-N,1%,50dNH3-N75%,60dNH3-N99%;NH3-N0.55mg/L,。2,,20~25℃,。2.3 12,,9第5期 尉国红等:低温下城市生活污水处理厂的调试运行 ,。COD4。4 CODFig.4 EffectofwastewatertemperatureonCODremoval4:COD,,COD。[3],10℃,86%COD,COD27mg/L。4~45℃,35℃,35~42℃,,,μN3[4]。3 μNTable3 MaxspecificincreaserateofμNunderdifferenttemperatures/℃μN100.30200.65301.203:μNArrhenius,10℃,μN1。NH3-N5。55 NH3-NFig.5 EffectofwastewatertemperatureonNH3-Nremoval:11℃,NH3-N92%,10℃,NH3-N85%,NH3-N2.68mg/L6.55mg/L。,,,,NH3-N。3 ,。(1)。,,[5]。12℃,2mg/L2.5~3mg/L。(2)。,、,,[6]。1℃,10%,,1℃10%[5]。10℃,14d。,,,3000~4000mg/L,0.05kgBOD5/(kgMLSS·d)。,NH3-N6。6 NH3-NFig.6 EffectofNH3-Nremovalwhenmeasuresaretaken6:,,10 安全与环境工程 第17卷。≥6℃,NH3-N75%,NH3-N8mg/L,5℃,;10℃4℃,COD,COD50mg/L,。4 (1)20~25℃,2,,99%。(2),COD。(3),10℃,NH3-N85%。、,6℃,NH3-N75%,5℃,。:[1],,.5F-A2/O—[M].:,2009.[2]GB18918-2002,[S].[3],,,.[J].,2010,1(2):29.[4],,.[J].,2001,9(5):70-72.[5],,.[J].,2009,1(1):84-85.[6]Malgorzata,K.K.,M.Hanna,K.Eugeniusz.Factorsaffectingthebiologicalnitrogenremovalfromwaster[J].ProcessBio-chem.,2006,41(5):15-21.(7):[1],,.[J].,2002,23(4):395-399.[2].[M].:,1995:61-66.[3].[A].[C].:,1998:33-38.[4].———[J].,1992,38(6):532-538.[5],,.[J].,2005,24(5):864-871.[6].[D].:,,2009:43-45.[7],.[J].,1991,(8):45-51.[8]Mash,L.,E.Preuss.Frictionfusionontheglidingplanesoftwolargelandslides[A].26thIGC,Section17,GeologicHazards,EarthMovement[C].Paris:IUGS,1980.[9].[M].:,2004:68-74.[10].[J].,1986,9(3-4):327-346[11],,.[J].,1990,1(2):66-74.11第5期 尉国红等:低温下城市生活污水处理厂的调试运行