冬季条件下曝气生物滤池处理模拟灰水的应用研究陈广银

3311200811ENVIRONMENTALSCIENCEANDMANAGEMENTVol.33No.11Nov.2008:2008-07-15:“”:(02WD0398):(1982-),,,:。:1673-1212(2008)11-0055-04陈广银1,陈洪斌1,何群彪1,张小龙2,钱玮玮3(1.,200092;2.,200092;3.,236200)　:文章采用陶粒滤料为载体,研究了在冬季低温条件下化学混凝-曝气生物滤池工艺对模拟灰水的中试研究。实验结果表明,在冬季水温为3℃～15℃的条件下,初沉处理大大减轻了后续曝气生物滤池的运行负荷的同时也提高了整个工艺的搞冲击能力。当曝气生物滤池水力负荷为3.8m/h时,COD、LAS的去除效率分别在70%、80%以上。NH4-N去除效率受LAS、COD、温度影响较大,整个工况去除效率在15%～75%。NH4-N的去除效率随着COD负荷的增加,其去除效率受到严重的影响。COD的去除负荷率为2.85kg/(m3滤料·d)升高到5.04kg/(m3滤料·d)时,NH4-N的去除率则由61%～77%,下降到26%～41%,说明了异养微生物的生长严重抑制了硝化亚硝化细菌的生长。:曝气生物滤池;低温;模拟灰水;COD负荷:X703.3:AAnStudyofBAFontheTreatmentontheSimulatedGreywaterinWinterChenGuangyin1,ChenHongbin1,HeQunbiao1,ZhangXiaolong2,QianWeiwei3(1.NationalEngineeringResearchCenterforUrbanPollutionControl,TongjiUniversity,Shanghai200092,China;2.SchoolofLifeSciencesandTechnology,Shanghai200092,China;3.YingshangCountyEPA,Yingshang236200,China)Abstract:Thedown-flowbiologicalaeratedfilterwithlightpotterymediahadbeenadoptedonthetreatmentofdomesticsimulatedgreywaterduringthewinter.Thetesttemperaturewas3℃～15℃.Inordertocomparetheefficientofthetreatment,ThecoagulatingsedimentationpretreatmentwasproposedwithPACdosageis40mg/L、20mg/L、0mg/L.Therunningresultshowedthatcoagulatingsedimentationpretreatmentgreatlylightenedtheloadingrateofthebiologicalaeratedfilter.TheremovalratesoftheCOD、LASwere70%、80%whenthehydraulicsloadingrateis3.8m/h.NH4-Nremovalefficientwas15%～75%whichwasbadlyinfluencedbythetemperatureandconcentrationsoftheLAS、COD.TheremovalrateoftheNH4-Nwas61%～77%、26%～41%respectivelywiththeCODloadingrateincreasedfrom2.85kg/(m3filters·d)to5.04kg(m3filters·d),whichindicatedhetermicroorganismhadanadverseinfluenceonnitrobacteriasgrowth.Keywords:biologicalaeratedfilter(BAF);lowtemperature;simulategreywater;CODloadingrates　　,、、、、。75%,26%,26%[1-2]。80%,1200,30151100m3/,7500m3/。600,27%[3]。。·55·3311200811·Vol.33No.11Nov.2008、、、、。2080[4],、、、、、[5]。,-,。COD、LASNH3-N。1　1.1　。,,,,30mg/l,1:1　CODcr(mg/L)LAS(mg/l)NH3-N(mg/L)150～35026～3416～3319030221.2　,:2m×0.6m×1.65m,1.98m3,1.5m3/h。2m×1.7m×1.65m(),0.7m3/m2·h,(LAS),PAC,,,,,,:0.196m2,2.7m,。,PAC:(Al2O3)29%,80%,。1.3　COD,NH3-N,pH,(DO),SS,LAS[6]。2　2.1　COD1　PA,BAFCOD1,PAC40mg/l,BAFCOD81.5mg/l,27.2mg/l,67%,COD2.1kg/(m3·d),,,COD。PAC,COD198mg/l,COD,COD50.9mg/l,,12℃,10%,75%,COD5.04kgCOD/(m3·d)。,,。COD,,COD39mg/l,COD70%。,,BAF。2.2　LAS2　PAC,BAFLAS·56·3311200811·Vol.33No.11Nov.2008,PAC40mg/l,3℃～5℃,LAS30mg/l,3.1mg/l。LAS10mg/l,LAS1.1mg/l,2℃,89%,0.32～0.85kgLAS/(m3·d)。PAC,LAS,LAS3mg/l。20mg/l,LAS22mg/l,10℃,LAS1.2mg/l,95%。,LAS,,LAS。2.3　NH4-N3　PAC,BAFNH4-N3,40mg/l,4NH4-N12mg/l,,2℃,NH4-N8mg/l,,LAS,45mg/l15mg/l,LAS。,PAC,NH4-N,10℃,,NH4-N11mg/l16mg/l,51%35%。COD。PAC40mg/l,COD2.1kg/(m3·d),COD(5.04kgCOD/m3·d),COD,,、、,,。PAC20mg/l,NH4-N5mg/l～10mg/l,62.2%,,15℃,COD2.85kgCOD/(m3·d),COD,,NH4-N。NH4-NCOD,COD,。,COD3kgCOD/(m3·d),NH4-N,[7]3.0kg/(m3·d),,4.0kg/(m3·d),,LAS。,Gilmore,,,[8]。3　3.1　,。3.2　10℃,PAC20mg/l～40mg/l,3.8m/h,COD40mg/l。3.3　10℃LAS20mg/l,1mg/l。3.4　CODNH4-N,3.8m/h,COD2.1、2.8、5.4kg(m3·d),NH4-N37%～65%、61%～77%、26%～41%,COD3kg/(m3·d),NH4-N,,COD3kg-COD/(m3·d)。:[1]HansenA.M,KjellerupM,.Vandbesparendeforan-staltninger.TekniskForlag,Copenhagen.1994,ISBN87-571-1435-9[Referencesinthetext,InDanish][D].·57·3311200811·Vol.33No.11Nov.2008[2]DianaChristova-Boal,RobertE.Eden,ScottMcFar-lane.Aninvestigationintogreywaterreuseforurbanresidentialproperties[J].Desalination.1996,106:391-397.[3]HePJ,PhanL,GuGW,HervouetG.Reclaimedmu-nicipalwastewater-apotentialwaterresourceinChina[J].WaterSciTechnol,2001,43(10):51-58.[4]RogallaF,PayraudeauM,BacpuetG,etal.Nitrifi-cationandphosphorusprecipitationwithbiologicalaeratedfilters[J].JournalWat.Poll.ContFed.1990,62(2):169-176.[5]张杰,曹相生,孟雪征.曝气生物滤池的研究进展[J].中国给水排水,2002,18(8):26-29.[6]国家环保总局.水和废水监测分析方法(第四版)[M].北京:中国环境科学出版社,2002.[7]闫立龙,李娟,张宝杰.曝气生物滤池中氨氮去除影响因素试验分析[J].城市环境与城市生态,2006,19(3):31-33.[8]K.R.Gilmore,K.J.Husovitz,T1Holst,N.G.Love.Influenceoforganicandammonialoadingonnitrifieractiv-ityandnitrificationperformanceforatwo-stagebiologicalaera-tedfiltersystem[J].WatSci-Tech,1999,39(7):227-234.(上接第5页)　　::-　7625　:-　7625::-7625　:　125　:　7500::7500　:-　7500,300t,7500,,“”,7500。3.3　:(1),,,,,,,,,。(2),,;;;。(3),。4　,《》、《》《》;,,、。,,,,,,,,,,,。:[1](德)史迪芬.肖特嘉,(澳)罗杰.布里特著;肖华,李建发主译.现代环境会计问题、概念与实务[M].大连:东北财经大学出版社,2004:11-20.[2]张雪梅.环境会计在矿业城市环境治理中的运用初探[J].经济论坛,2007,21(15):125-128.[3]彭培鑫,朱学义.我国煤炭矿区环境会计初论[J].徐州建筑职业技术学院学报,2006,6(4):43-45.[4]张勇,廖奎.环境会计若干问题探析[J].商场现代化,2007,36(04S):375-376.[5]邢启亮.我国环境会计理论的分析研究[J].经济师,2006,21(4):200-200.[6]许凤玉.关于构建我国环境会计核算体系的探讨[J].商业会计(下半月),2006,27(2):14-15.[7]刘晓盈.构建我国可持续发展下的环境会计[J].商业经济(哈尔滨),2006,13(8):31-32.·58·