SBBR处理垃圾渗滤液初探张俊

2522006　4　　四　川　环　境SICHUANENVIRONMENT　　Vol.25,No.2April　2006··:2005-07-30:　(1979-),,,2004。。SBBR张　俊,张道斌,陈　曦(,　430079)　　:本文初步研究了用SBBR法处理垃圾渗滤液的处理效果。在驯养结束后的20个连续运行周期里,控制曝气量为250L/h,温度为27℃,有机负荷为0.4Kg(BOD5)/m3·d。当系统进水CODCr,NH3-N分别为810mg/L和93mg/L时,系统出水CODCr,NH3-N分别为160mg/L和28mg/L,运行结果表明:该系统在此条件下可以稳定运行。在此基础上,维持有机负荷和温度不变,在曝气量为150L/h,200L/h,250L/h时分别测定不同进水水质时CODCr,氨氮的去除率。实验结果表明:当气量为250L/h时,CODCr的去除率随进水CODCr浓度的升高而升高;当进水CODCr为790mg/L时,CODCr的去除率随气量的升高而升高,去除率为65.78%～79.68%,并且在1小时以后有较高的去除率。稳定运行8小时之后,去除率较接近各自的最高去除率。当气量为250L/h时,氨氮的去除率随进水氨氮浓度的升高而降低;当进水氨氮较低时(低于50mg/L),氨氮的去除率随曝气量的升高而升高,去除率为62.07%～97.69%。　　:SBBR;;:X705　　　　:A　　　　:1001-3644(2006)02-0009-05PreliminaryResearchonTreatmentofLandfill-leachatewithSBBRMethodZHANGJun,ZHANGDao-bin,CHENXi(SchoolofResource&EnvironmentalScience,WuhanUniversity,Wuhan430079,China)Abstract:AstudyonSBBRwasmadeforthetreatmentoflandfillleachate.Afteracclimation,thesystemwasoperatedundertheconditionsofcontinuousrunningof20cycles,airfluxat250L/h,temperatureat27℃,andorganicloadat0.4Kg(BOD5)/m3·d.Theresultsshowedthat:whentheinfluentsCODCrandNH3-Nwere810mg/Land93mg/L,wegotCODCrof160mg/LandNH3-Nof28mg/Lintheeffluent.Sothissystemcouldranverysteadilyunderthegivenconditions.Undertheconditionsofsametemperatureandorganicload,changingairfluxesandinfluents,theremovalefficienciesofCODCrandNH3-Nweredetected.Theresultsshowedthat:whentheairfluxwas250L/h,theremovalrateofCODCrincreasedwhenheighteningtheinfluentconcentration;whenCODCrwere790mg/L,theremovalrateofCODCrincreasedwhileheighteningtheairflux.Itsremovalraterangedfrom65.78%to79.68%,andeachcasehadafairlyhighratioafteronehouroperation.Whentheairfluxwas250L/h,theremovalrateofNH3-Ndecreasedwhenheighteningtheinfluentconcentration;whenNH3-Nwereaddedbelow50mg/L,theremovalrateofNH3-Nincreasedwhileheighteningtheairflux.Itsremovalraterangedfrom62.07%to97.69%.Keywords:SBBR;landfill-leachate;airflux1　前　言CODCr、、,、。,。:、、、、、、、、Fenton[1],SBBR。1992,WildererDOI:10.14034/j.cnki.schj.2006.02.004,,(SequecingBatchBiofilmReactor),SBBR。SBBR、[2]。。CODCr、BOD、SS。。SBBR,SBR。、、SBBR[3],、SBR[4],、SBBRSBR[5],SBBR[6],H.P.KaballoP.A.WildererSBBR、p-chlorophenol[7],W.M.DanielSBBR[8],P.A.WildererB.S.McSwainSBR[9],V.PambrunSBRSBBR[10],C.DiiaconiSB-BR[11]。,SBBR,,,,。SBBR。2　实验设备与方法2.1　,100mm,90mm,1.4L,400ml。,6mm,4mm,6mm,,9cm,2166.6m2/m3,44%。2.2　,11,:,10,1,。15ml,1,,CODCr,NH3-N。CODCr[12],NH3-N。2.3　,,,。。:,。(SV=35%,SVI=38.8),,CODCr,。23h,1h,。1。,,,,0.2mm。。3　结果与讨论CODCr13667mg/L,NH3-N1253mg/L。。3.1　,CODCr810mg/L,0.4Kg(BOD5)/m3·d,250L/h,27℃,CODCr810mg/L,CODCr。,。。,,20,CODCr、160mg/L、28mg/L,;CODCr、79%69%,。。,CODCrCODCr。10　　　　四川环境25　Tab.TheresultsofSBBRsystemtreatmentineverycycleCODCr(mg/L)CODCr(mg/L)(%)Kg(BOD5)/m3·d(mg/L)(mg/L)(%)1810.2162.579.940.493.5828.2569.812811.5165.479.620.493.6027.9670.133808.7159.280.310.493.2528.4669.484801.6157.880.310.492.8627.8670.005804.5163.779.650.493.1428.3069.626809.8158.980.380.493.7128.5669.527806.4163.479.740.493.6528.4469.638812.5162.879.960.493.7528.3469.779811.1163.279.880.493.6628.2169.8810803.7164.879.490.493.0128.2369.6511799.8158.480.200.492.8628.1069.7412815.4156.480.820.494.0128.6769.5013809.4159.880.260.493.4628.5469.4614802.6160.380.030.493.1128.7769.1015812.7157.480.630.493.4128.3469.6616814.5159.980.370.493.5728.7669.2617807.5161.580.000.493.0828.4769.4118804.3161.879.880.493.0428.8768.9719814.7164.379.830.493.8628.5969.5420815.8156.880.780.493.7828.2269.913.2　CODCr(h)1　CODCrFig.1　CODCrremovalefficiencyindifferentinfluentconcentration1,250L/h,CODCrCODCr。250L/h79.68%,70.15%。67.23%～82.33%。,,F/M(/),,CODCr,,,CODCrCODCr。1130%,[13]。8,91%。CODCr790mg/L,CODCr,2。[14]。SBBR,,,。112　:SBBR2　CODCrFig.2　CODCrremovalefficiencyindifferentairflux3.3　3　Fig.3　NH3-Nremovalefficiencyindifferentinfluentconcentration3,250L/h,,250L/h97.69%,69.64%。62.07%～97.69%。SBBR,,,。,,,,[15],。4,(50mg/L),,。,,。。,。。4　Fig.4　NH3-Nremovalefficiencyindifferentairflux4　结　论4.1　,20,250L/h,27℃,0.4Kg(BOD5)/m3·d,CODCr,NH3-N810mg/L93mg/L,CODCr,NH3-N160mg/L28mg/L,;CODCr、79%69%,。。4.2　250L/h,CODCr;CODCr790mg/L,CODCr。12　　　　四川环境2565.78%～79.68%。1。8,。4.3　250L/h,;(50mg/L),,62.07%～97.69%;SBBR。:[1]　　,　.[J].,2005,24(1):87-94.[2]　,.(SBBR)SBR[J].,2002,33(6):4-6.[3]　,　,.SBR[J].,1999,(3):54-56.[4]　,.SBR[J].,1997,(7):25-29.[5]　　.──[J].,2000,(3):49-53.[6]　,　,　.SBBR[J].,1998,11(4):226-228.[7]　HPKaballo,YuangangZhao,PAWilderer.Elimationofp-chlophenolinbiofilmreactors-acomparativestudyofcontinuousflowandsequencedbatchoperation[J].Wat.Sci.Tech,1995,31(1):51-60.[8]　WMDaniel,WSchnabel.Treatmentofcyanidewasteinaae-quencingbatchbiofilmreactor[J].Wat.Res,1998,32(1):254-257.[9]　PAWilderer,BSMcSwain.TheSBRanditsbiofilmapplicationpotential[J].Wat.Sci.Tech,2004,50(1):1-10.[10]　WMDaniel,EPaul,MSperandio.TreatmentofnitrogenandphosphorusinhighlyconcentratedeffluentinSBRandSBBRprocesses[J].Wat.Sci.Tech,2004,50(6):269-276.[11]　CDiiaconi,RRamadori,ALopez,RPassino.Hydraulicshearstresscalculationinasequencingbatchbiofilmreactorwithgran-ularbiomass[J].Environ.Sci.Technol,2005,39:889-894.[12]　.[J].,2003,2(3):25-26.[13]　PAWilderer,PArnz,EArnold.WaterApplication