ABR工艺处理生活污水研究杨琦

ABR杨　琦,尚海涛(,　100083)　:。,25℃,12,pH7～7.6。:COD70%,、,211mLCH4·gVSS-1d-1,314mLCH4·gVSS-1d-1,319mLCH4·gVSS-1d-1;;、、。(),4.27g·cm-3。:;;:S216.4;X703　　:A　　:1000-1166(2006)01-0009-06TheStudyonAnaerobicBaffledReactorTreatingMunicipalWastewater/YANGQi,SHANGHai-tao/(SchoolofwaterResources&Environment,ChinaUniversityofGeosciences,Beijing100083,China)Abstract:Inthisstudytheanaerobicbaffledreactor(ABR)wasusedtotreatmunicipalwastewater.ABRwasseparatedtothreesequentialunits,andworkedattheconditionofpH7.0～7.6,temperature25℃,HRT12h,andglucoseassubstrate.There-sultsindicated:CODremovalefficiencycouldremainat70%,theproductgaswasmainlycomposedofmethane,carbondioxideandhydrogen,themaximalmethaneproducingactivitysequentiallywere211mLCH4·gVSS-1d-1,314mLCH4·gVSS-1d-1,319mLCH4·gVSS-1d-1;Themaincomponentsofeffluentwereaceticacidandpropanoicacid;Thedominantmicroorganismssequen-tiallywereBacillus,Coccus,MethanothrixandMethanosaet.Themassofattachedbio-membranedecreasedalongtheflow,andtheaveragemassofattachedbio-membraneintermsofwetweightwas4.27g·cm-3.Keywords:Anaerobicbaffledreactor;Methaneproducingactivity;Municipalwastewater:2005-07-19　　:2005-11-20:(1966-),,,。Email:[e-mail]1　　,,()。ABR,,,,,ABR。,,,,。ABR,。,,,,。,。ABR(VFA),,,,ABR。。2　2.1　试验工艺流程ABR1。,218.5L,3,。,。,。,,、。2.2　试验基质COD:300mg·9ChinaBiogas2006,24(1)1　ABRL-1,500mg·L-1,700mg·L-1,900mg·L-11,BOD5∶N∶P=200∶5∶1。。,,。250mg·L-1(),1500mg·L-1,,,。0.943。N,P。,,。:、、;:、、。1　ABR300mgCOD·L-1100L(g)500mgCOD·L-1100L(g)700mgCOD·L-1100L(g)900mgCOD·L-1100L(g)2541.4758.337522.537.552.567.5KH2PO44.757.9711.0814.25Na2CO31016.6723.3330NH4Cl1931.6744.3357MgSO4.7H2O5.939.8813.8417.79FeSO4.7H2O0.030.050.070.09CaCl2.2H2O0.570.951.331.7146.679.331223.334.67623.334.6762.3　检测项目与方法:COD,BOD5,NH+4-N,TP,MLSS,MLVSS,。:,。,20%NaOH(NaCl)。。SP-2304A,(TCD)。:、、,SP-2305A,FID。3　3.1　COD去除效果2,3,4,5,12,。CODCr300mg·L-1(0.06kgCOD·kgMLSS-1d-1),500mg·L-1(0.10kgCODkgMLSS-1d-1),700mg·L-1(0.14kgCODkgMLSS-1d-1),900mg·L-1(0.18kgCODkgMLSS-1d-1)。COD,70%～80%,COD,60%～70%。2　CODCr300mg·L-13　CODCr500mg·L-14　CODCr700mg·L-110ChinaBiogas2006,24(1)5　CODCr900mg·L-13.2　产甲烷量6,7CODCr700mg·L-1,900mg·L-1。(VSS),COD,。。。,,。、,。,,ABR,,。,ABR,,。,。6　CODCr700mg·L-1Umax.CH4:Umax·CH4=24W·T0T1·K(1)7　CODCr900mg·L-1　　:W=X×Vr　　,Umax(mLCH4·gVSS-1d-1);K(mLCH4·hr-1);X(gVSS·L-1);Vr(L);T0(273K);T1(K)。:K1=1.94mLCH4·hr-1,K2=2.25mLCH4·hr-1,K3=1.91mLCH4·hr-1;MLSS1=19.6g·L-1,MLSS2=15.2g·L-1,MLSS3=12.7g·L-1;W1=0.196g,W2=0.152g,W3=0.127g,COD=900mg·L-1。::Umax.CH4=211mLCH4·gVSS-1d-1;:Umax.CH4=314mLCH4·gVSS-1d-1;:Umax.CH4=319mLCH4·gVSS-1d-1,2,,4,,。,,,,;,(),,,,。3.3　ABR沿程各格溶液中VFA组成的变化,,、、、。ABR8。　　ABR,,,,70%。。,,。11ChinaBiogas2006,24(1)8　COD900mg·L-1VFAVFA,,、pH、、。,,。,,,。,。3.4　沿程各格气体组分分析9。,,。。,。,,。H2CO2CH4。,pH。9　COD=900mg·L-1,3.5　ABR微生物相的探讨,ABR,。,,,,。　　10,11,12,13。35(10A)。10　　　5000、。,12ChinaBiogas2006,24(1),,、、、、,(10,11,12,13)。　　,。,,。。,,,。1.0μm,0.4μm,,(Clostridiumsp.)。,。,。,,。,,,0.5μm。。,。,。。,,0.7μm。,,。,。,,,、。。,,,,,,。,,,。pH5.8～6.2,200～300mg·L-1,,,。,,,。,,。,,。,,,。,,ABR。,ABR,,。ABR,,,,。3.6　折流式厌氧生物反应器运行结束后挂摸情况()2。2　(cm3)(g)(g)(g·cm-3)535.7487.533405.33538.0489.627824.26504.2458.820803.22:1.:,;2.,99.6%。,、。,。4.27g·cm-3。4　ABR。(1)COD70%;(2)70%、;(3),;(4);;。(5)5.33g·13ChinaBiogas2006,24(1)cm-3,4.26g·cm-3,,3.22g·cm-3。4.27g·cm-3。:[1]　GLettinga,JField,JvanLier,GZeeman,LWHulshoffPol.AdvancedAnaerobicWastewaterTreatmentinTheNearFuture[J].WatSciTech,1997,35(10):5-12.[2]　ABachmann,VLBeard,PLMcCarty.ComparisonofFixedFilmReactorswithaModifiedSludgeBlanketReactor[J].PollutionTechnologyReview,1983,(10):384-402.[3]　ABachmann,VLBeard,PLMcCarty.PerformanceChar-acteristicsoftheAnaerobicBaffledReactor[J].WatRes,1985,19(1):99-106.[4]　,,,.[J].,1999,15(7):18-20.[5]　WPBarber,DCStuckey,TheUseofTheAnaerobicBaffledReactor(ABR)forWastewaterTreatment:AReview[J].WatRes,1999,33(7):1559-1578.[6]　.—[J].,1994,16(5):36-38.[7]　,.[J].,1989,7(4):1-6.[8]　AGrobicki,DCStuckey.PerformanceoftheAnaerobicBaf-fledReactorunderSteady-StateandShockLoadingCondi-tions[J].Biotec.Bioeng,1991,37(4):344-355.[9]　TSetiadiHusaini,ADjajadiningrat,PalmOilMillEffluentTreatmentbyAnaerobicBaffledReactors:RecycleEffectsandBiokineticParameters[J].WatSciTech,1996,34(11):59-66.[10]　ATilche,SM.Vieira.DiscussionReportonReactorDe-signofAnaerobicFiltersandSludgeBedReactors[J].Wat.Sci.Technol.,1991,24(8):193-206.(5)[8]　ReinhartDR,TownsendTG.Landfillbioreactordesignandoperation[M].BocaRaton,Florida:CRCPressLLC,1998.61～84.[9]　McBeanEA,FARovers,GJFarquhar.SolidWasteLand-fillEngineeringandDesign[M].NewJersey:PrenticeHall,1995.73～80.[10]　USArmyCorpsofEngineers.LandfillOff-GasCollectionandTreatmentSystems[R].Washington:USArmyCorpsofEngineers(ETL1110-1-160).1995,A-19～A-20.[11]　,,.《》[EB/OL].[12]　USEPA.TurningaLiabilityintoanAsset:ALandfillGas-to-EnergyProjectDevelopmentHandbook[R].US:EPA(430-B-96-0004).1996,5-4～5-30.[13]　,,,.(LFG)[J].,2000,13(2):14～16.[14]　EdenRE,SmithR.GuidanceonbestpracticeflaringoflandfillgasintheUK[A].Sardinia'99,7thInternationalWasteManagementandLandfillSymposium[C].Cagliari,I-taly,1999.499～506.[15]　BarlazMA