高浓度畜禽养殖废水处理新工艺及调试运行刘宇赜

303Vol.30No.320095ActaEcologiaeAnimalisDomasticiMay.2009＊刘宇赜1,韦彦斐2,颜智勇1,杨仁斌1,袁　芳3(1.,　410128;2.,　310007,3.,　417000)[　]　介绍了UASB-SBR-混凝沉淀工艺处理养猪场废水工程实例。结果表明:对于CODcr达到2000～3500mg/L、NH3-N达到350～1100mg/L的养猪场废水,利用该工艺CODcr的平均去除率达到92.3%,NH3-N的去除率达到90.0%。其余各项指标均可以满足《畜禽养殖业污染物排放标准》的要求。[]　养猪场废水;USAB;SBR;混凝沉淀[]　S811.5　　　　　　[]　A　　[]　1004-5228(2009)03-0082-04　　,,,。,+,。:-、A2/O[1-3]。、、、。,、。1　COD(),NH3-N,,1,,,150m3/d。,,,3dCOD()2000～3500mg/L,BOD5350～800mg/L,SS()300～500mg/L,NH3-N350～1100mg/L,TP()9～11mg/L。,,,UASB-SBR-。1。,,。,UASB,UASB,CH4、CO2,SBR,SBR,UASBNH3-N。SBRTP,。2　1。3　UASB、SBR。＊[]　2009-02-23,:2009-04-21[]　(1982-),,,,:。3.1　UASB80%60t,20%(COD2000mg/L)。pH6.8～7.2,,。70%。UASB70%,,UASB。2。UASB,,pH7.0,,,,。pH。3.2　SBRSBR,()。20t,85%,SBR1/5,UASB,(24～36h),,。,。,,,,,、pH、、SS、DO、,SBR。,,DO(2～3mg/L),SBR,,,NH3-N85%,SBR。UASB,60%～80%COD,,。[4,5],SBR,15%[6]。,SBR:6h、8h、3h、2h、3h。3.3　SBR,,。:,60mg6.5mgTP,SS,COD。150t,:9kg/d1kg/d。833　　　　　　　　　,:1　Table1　Themainstructureanddevice　StructurefoundationStructureandsizeAttachedequipmentWaterreg-ulatingtank15m×15m×2.5m,。,。Collectorwell2m×2m×4m,。25t/h,20m(),。Emergencycapacitywell10m×10m×2m,,25t/h,20m。UASBUASBreactor17.2m×6.0m×8m,,,。、、、、、。,。,900mm。。25t/h20m。SBRSBRreactor11.6m×6.0m×5.0m,,。,215mm,1m。5.9m3/min()。(25t/h20m)。250m3/h。Coagulationsedimentationwell,6.0m×6.0m×3.5m,,PACPAM。。Sludgetihckener,3m×3m×2m。2　Table2　AcceptanceofmonitoringresultsInletwastewaterofwaterregulatingtankFinaleffluentDischargestandardRemovalrateCOD(mg/L)2117.90162.69≤40092.3BOD(mg/L)541.2038.57≤15092.8NH3-N(mg/L)704.3070.50≤8090.0TP(mg/L)9.187.28≤820.7SS(mg/L)411.666.37≤20098.4E.colitop()104≤104-4　,,,,,2。5　SBRDO。DO,,。DO。,、,NH3-N,,DO2～3mg/L,、、、,,,DO0.5mg/L。,SBR,、,。,11,10℃,UASB、SBR。,,,8430UASB、SBR。,SBR,,。SBR,。6　　(1),,,,。《》(GB18596-2001)。UASB-SBR-。(2)UASB20℃～30℃。(3)110,6h68h,32000KW(25000),3300kg、350kg15000,20000,60000,1.1/。:[1]　,.[J].,2004,25:105-107.[2]　.[J].,2006,14(2):23-24.[3]　.[M].:,1998:121-350.[4]　,,　,.-UASB-SBR[J].(),2002,29(6):95-99.[5]　,　.[J].,2000,26(9):44-47.[6]　,　.SBR[J].,2005,26(6):105-109.TheNewTreatmentofHigh-concentrationLivestockandPoultryBreedingWastewaterandRegulationOperationLIUYu-ze1,WEIYan-fei2,YANZhi-yong1,YANGRen-bin1,YUANFang3(1.CollegeofResourcesandEnviroment,HunanAgriculturalUniversity,Changsha　410128,China;2.InstituteofEnvironmentalProtectionresearch,Zhejiang;3.EnvironmentalmonitoringstationofLoudi,Loudi　417000,China)Abstract:TheessayintroducedtheprojectexampleofusingthecraftofUASB-SBR-coagulationandsedimentationcrafttotreatLivestockandpoultrybreedingwastewater.Theresultshowedthat:Live-stockandpoultrybreedingwastewaterinwhichCODcrrearched2000～3500mg·L-1andNH3-Nachieved350～1100mg·L-1.TheaverageeliminationratesofCODcrandNH3-Nwererespectively92.3%and90.0%afterusingthiscraft.TheremainingindicatorscouldreachedthecriteriaofDischargeStandardofPol-lutantsforlivestockandpoultrybreeding(GB18596-2001).Keywords:livestockand;poultrybreedingwastewater;UASB;SBR;Coagulation853　　　　　　　　　,: