张 晨1, 李 军1, 刘伟岩1,2, 马文瑾1,2, 焦 阳1, 何继文2(1.北京工业大学北京市水质科学与水环境恢复工程重点实验室,北京100124;2.北京市排水集团高碑店污水处理厂,北京100022) : 在低有机物含量下进行曝气生物滤池的挂膜启动试验。采用陶粒和火山岩两种填料进行比较,以复合接种方式进行挂膜。启动阶段的进水COD为25.04~58.70mg/L,NH3-N为0.64~2.92mg/L,滤速为1m/h,气水比为4∶1,对COD的平均去除率30%,对NH3-N的平均去除率可达55%以上。试验结果表明,在低有机物含量下,可以直接采用原水进行挂膜,但进水水质对装置的处理效果有较大影响,进水COD、NH3-N浓度不宜过低;选择合适的填料和曝气量是确保曝气生物滤池运行效果的关键。 : 曝气生物滤池; 挂膜; 低氨氮; 低COD; 填料:X703 :A :1000-4602(2009)13-0010-03Start-upofBiologicalAeratedFilterwithLowOrganicContentZHANGChen1, LIJun1, LIUWei-yan1,2, MAWen-jin1,2, JIAOYang1, HEJi-wen2(1.KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentRecoveryEngineering,BeijingUniversityofTechnology,Beijing100124,China;2.GaobeidianWastewaterTreatmentPlant,BeijingDrainageGroupCo.Ltd.,Beijing100022,China) Abstract: Thestart-upprocessofthebiologicalaeratedfilter(BAF)withloworganiccontentwasinvestigated.Ceramsiteandvolcanicrockwereusedtoincubatebiofilmthroughcompoundinoculation.Intheexperiment,theinfluentCODis25.04mg/Lto58.70mg/L,NH3-Nis0.64mg/Lto2.92mg/L,thefilteringrateis1m/handtheair-waterratiois4∶1.Withtheseconditions,theaverageremovalratesofCODandNH3-Nareover30%and55%,respectively.Thestart-upofBAFwithloworganiccontentisfeasible.However,theinfluentqualityhasobviousinfluenceonthetreatmenteffect.CODandNH3-Noftheinfluentshouldbemaintainedaboveacertainlevel.TheappropriatefiltermaterialandaerationratearethekeyfactorsofBAFoperation. Keywords: biologicalaeratedfilter(BAF); biofilmformation; lowNH3-N; lowCOD; filtermaterial :(50678008); (PHRIHLB); (8092007) (BAF),、,、、、、。(1×106m3/d),,“”·10·第25卷 第13期2009年7月 中国给水排水CHINAWATERWASTEWATER Vol.25No.13Jul.2009。,。,。1 试验材料与方法1.1 220mm、3m。,1#1~2mm,1.25m;2#;3#2~4mm,2.1m;4#3~5mm,2.1m。2m3/d。、,BAFBAF,。1。1 Fig.1 Schematicdiagramofexperimentalset-up1.2 COD:COD;:;TN:—;NO-3-N:;TP:。1.3 1。1 Tab.1 Qualityofrawwastewater COD/(mg·L-1)BOD5/(mg·L-1)SS/(mg·L-1)/(mg·L-1)TN/(mg·L-1)TP/(mg·L-1)pH58.7020202.92533.27.1625.0412120.64200.196.7936.1314141.31380.47.01.4 20071020,45L,BAF。,:,,,。(0.12m3/h),60h。1025,1m/h、1∶1,。BAFCOD、,。,COD、,,4∶1。2 结果与讨论2.1 17.5~20℃,:,。,BAF0.30mg/L,62.29%;BAF0.36mg/L,50.65%。,4∶1,。,BAF0.45mg/L,BAF0.40mg/L。BAF,。1.0mg/L,BAF,BAFBAF25.76%、36.75%;1.5mg/L,BAF93.06%,BAF95.11%。BAF,BAF64.58%,BAF66.18%。,;,;,0.6~2.5mg/L,1mg/L;,。,,[1、2]。2.2 CODBAFCOD2。2,BAFCOD20~30mg/L,BAFCOD22.19mg/L,BAF·11·张 晨,等:低有机物含量下曝气生物滤池的挂膜启动第25卷 第13期22.60mg/L。10dBAFCODBAF,、,,。,,,。,、,,。2 CODFig.2 RemovaleffectofCODinBAFs2.3 TN、TP。,,,TN。,BAF,,TP,。2.4 ,2BAF、30cm。,。、,、,,、、。、,。3 结论① ,。② ,、COD。,。,0.64mg/L,BAF10.72%。③ ,,,,,,。:[1] ,,,.2[J].,2005,6(12):56-60.[2] ,,,.[J].,2005,5(4):33-35.:(1983- ), , , , 。:13810214322E-mail:jglijun@bjut.edu.cn:2009-03-11(上接第9页)[4] ,,,.A2/O[J].,2008,24(11):27-29.[5] MauretM,PaulE,Peutch-CostesE,etal.Applicationofexperimentalresearchmethodologytothestudyofnitrifi-cationinmixedculture[J].WaterSciTechnol,1996,34(1-2):245-252.[6] .pH[J].,1994,14(4):309-313.[7] RobertsonLA,VanNielEWJ.Simultaneousnitrifica-tionanddenitrificationaerobicchemostatculturesofthio-sphaerapantotropha[J].ApplEnvironMicrobiol,1998,54(1):2812-2818.:(1960- ), , , , , 、。E-mail:zhangzhicq@126.com:2009-01-18·12·第25卷 第13期 中国给水排水