UASB工艺系统设计方法探讨

UASB(,100037):UASBUASBUASBUASBUASB:UASB;;;;;:X703,S216.4:A:1000-1166(2002)02-0018-06DesignofUpflowAnaerobicSludgeBlanket(UASB)ReactorSystemPWANGKai2jun/(BeijingMunicipalResearchInstituteofEnvironmentalProtection,Beijin100037,China)Abstract:ThepurposeofthispaperistodiscussthedesignproceduresofUASBsystemThedesignprincipleandmethodsofpre2treatmentsystemandUASBreactorwereemphasized.ThediscussionfocusedonconcretestructureofUASBreactor,in2cludingdimensioncalculationanddeterminationprinciple.Theinfluentdistributionsystemanddifferentdistributorswereintro2duced.Thethree2phaseseparatorandconstructionmaterialofUASBreactorwerealsodiscussed.KeyWords:UASBreactor;pre2treatment;distributionsystem;three2phaseseparator;constructionmaterial;design1,,,UASB,UASB,,UASB,UASB,(),12UASB2.1()pH,,,1UASB:2001-11-15:2002-03-26:(1960-),,,,,,81ChinaBiogas2002,20(2)2UASB,,,,;pH,(N,P,),,,,;,,,,pH,pHUASB:(1);(2)Ca2+,CaCO3;(3),;(4),,(1.0m)510m22.2UASB2.2.1(q)(HRT)UASBqHRT,(V)(12),V=QSoPq(1)V=QHRT(2):Q,m3d-1;So,gCODL-1gBOD5L-11UASB,,,2.2.2LettingaHRT(E),,HRT=1-EC1C2:C1,C22.2.3,Henx2enHarremoes(1983)(2),,2.3UASB2.3.191ChinaBiogas2002,20(2)1UASBCODPkgCODm-3d-11111615177117615201021015291818185168051381051010313.918.59.9366.410.04.08410.212.08.0456.812.01.885.05.05.01268.610.76.6679.211.46.465.48.02.7289.516.84.02499.812.46.0166.06.06.01108.414.31.0314.820.06153113.24.02.3212,12.320.07.9151312.738.96.039149.113.30.8103.54.03.02156.26.26.213.14.02.341615.222.58.2121710.933.26.3115.08.00.851810.510.510.51199.912.07.972(HenxenHarremoes,1982)m/d-1YPmgVSSmgCOD-1KmPmgCODmgVSS-1d-1KsPmgCODL-12.00.15132000.40.0313500.40.182,(V)(1)(2):,,,,;CO2,CO2,,pHpH,:,;,,()46m,2.3.2UASB(2)3,,(26h)()2.3.3()(H),(A),,UASB600m2,30m20m15m40m10%,10%,P02ChinaBiogas2002,20(2)3UASB()UASBVr=0.253.0mPh-10.751.0mPh-1Vs1.5mPh-18mPh-1Vo12mPh-13.0mPh-1Vg=1mPh-1,,P2:1P4:1,12%,,,2.3.4UASB,,,;,,;,,,,UASB()10002000m32.3.5,25m,,,,,5m,2m,,,10m,2:12000m3,33.1UASB,Lettin2ga,2.04.0m220,,,DeManVanderLast(1990)12m2-14LettingaUASB4UASBPm2CODPkgm-3d-10.5112221024440kgDSm-316.5121.01223212040kgm-31225122:DS3.2UASB,,,:1.,;2.,;3.;4.,();(1)(),12ChinaBiogas2002,20(2),(3a),(),(2)UASBa)b)c)()3UASB,3b,(3),,2.0ms-1,,(4),(3c),54m2,,,,,,,313,,;;,,2.0mm0.20.3ms-1,,2mm,,,,;(),,;,,;(),(10cm)()30cm,422ChinaBiogas2002,20(2)UASB:1.;2.:(1)15%20%;(2)57m,1.52m;(3),;(4),;(5)100200mm,;(6),,,,5UASBUASB35,H2S,,pH-300mV,100mV,,,,,,,,,PVC,:[1].UASB[R].,:96-909-05-04,2000.[2].[J].,1998,19(1):94.[3]Man,A.W.A.,Rijs,G.B.J,Lettinga,G.andvanStarkenburg,W.(1988),AnaerobicTreatmentofSewageUsingAGranularSludgeBedUASB-reactor[A]In:5thInsSymp.onAnaerobicDigestion[C]A.TicheandA.Rozzi(Eds).Monduzzi,Bologna,Italy,pp.735-738.[4]Last,A.R.M.vanderandLettingaG.,(1991)AnaerobicTreatmentofDomesticSewageunderModerateClimatic(Dutch)ConditionsUsingUpflowReactorsatIncreasedSu2perficialVelocities[A],In:ProceedingsCongressIAWPRCAnaerobicDigestion91SaoPaul,Brazil.(7)[8]UenoY,OtsukaS,MorimotoM.Hydrogenproductionfromindustrialwastewaterbyanaerobicmicroflorainchemostatculture[J].J.Ferment.Bioeng.,1996,82(2):194197.[9]HeyndrickxM,VansteenbeeckA,DelVosP,DeLeyJ.Hydrogengasproductionfromcontinuousfermentationofglu2coseinaminimalmediumwithClostridiumbutyricumLMC1213t1[J].System.Appl.Mictobiol.,1986,8:2392244.[10]TaguchiF,ChangJD,MizukamiN,Ssito2Taki,T,Ha2segawaK,MorimotoM.lsolationofahydrogen2producingbacterium,ClostridiumbeijerinckiistrainAM21B,fromtermites[J].Can.J.Microbiol.,1993,Vol.39:7262730.[11],,,.[M].:.1993.22:1552158.[12]MizumoO,DinsdaleR,HawkesFC,HawkesDL,NoikeT.Enhancementofhydrogenproductionfromglucosebyni2trogengassparging[J].BioresourceTech.2000,73:59265.[13]TanishoS,KuromotoM,andKadokuraN.EffectofCO2re2movalonhydrogenproductionbyfermentation[J].Int.J.HydrogenEnergy,1998,23(7):5592563.[14]RachmanMA,NakashimadaY,KakizonoT,NishioN.Hydrogenproductionwithhighyieldandhighevolutionratebyself2flocculatedcellsofEnterobacteraerogenesinapacked2bedreactor[J].Appl.Microbiol.Biotechnol.,1998,49:4502454.32ChinaBiogas2002,20(2)