EGSB反应器中颗粒污泥形态及微生物相解析

25120083JournaloftheHebeiAcademyofSciencesVol.25No.1Mar.20083:1001-9383(2008)01-0052-05EGSB1,1,2,2(1.,071000;2.,050051):(EGSB),,,,,,;,,;,,,:EGSB;;;:Q93;X172:APerformanceandmicrobialphaseofanaerobicgranularsludgeinanEGSBreactorJIAXuan1,XUJian2zhong1,WANGLu2guang2,WANGJing2fei2(1.HebeiUniversity,BaodingHebei071000,China;2.StateEnvironmentalProtectionEngineeringCenterforPharmacyWastewaterPollutionControl,HebeiProvincialKeyLaboratoryofAquaticEnvironment,ShijiazhuangHebei050051,China)Abstract:Withwatersamplepreparedbyglucoseastreatmentobject,theperformanceandmicrobialphaseofanaerobicgranularsludgeinabench2scaleEGSBreactortreatingsyntheticorganicwastewaterwerestudied.Theresultsshowedthat:alongwiththereactorsoperationandorganicloadingincreased,thediameterofgranularsludgealsoincreased,andthediameterofthegranularinthebottomofthesludgebedwaslargerthanthatintheupperpartofthesludgebed.Observedunderthescanningelectronicmicroscopy,itwasfoundedthatintheearlytime,therewasdistinctpredominanceofMethanosaeta.Alongwiththeorganicloadingin2creased,itwasappearednottheMethanosaetabuttheSarcina2typebacteria.Instableoperationatmedium,thegranuleshadmoremicrobespecies.OntheMethanosaetaandSarcina2typebacteria,thereweremanyMethanobacteriacongregateddeveloped.Theperformanceandmicrobialphaseofanaerobicgranularsludgeindifferentsiteofthereactorhadsomeregularity.Keywords:EGSBreactor;Anaerobicgranularsludge;Microbialphase;Dominantmicroflora(ExpandedGranularSludgeBedEGSB)UASBEGSBUASB,3:2008-01-02:;(07276708D):(1982-),,,,,.1:EGSB,,,,,,,EGSB[1-6],EGSBEGSB,,,11.11EGSB,351,13.4L,2.0m1EGSB1.2,,CODNP=20051,,pH6.87.51.3UASB,VSS/SS0.8971.4CODHACH45600COD;TOCApollo9000;VFADX600;pH;;;(SS)(VSS);S-3500N2EGSBEGSB(1-10d)(11-47d)(48-59d),(COD2000mg/L)(4kgCOD/m3d)4d,,11,1.0m/h,,COD2000mg/L6000mg/L,4kgCOD/(m3d)12kgCOD/(m3d)12kgCOD/(m3d),,2m/h33.1EGSBEGSB,,,1mm4mm,,,;,;,,;,,,Ca2+3.2EGSB3.2.1,;,35200825,,,,,,;,,,,,2,,3,,[7],,,(a)(b)14d(c)54d2(a)200(b)1.0k(c)4.0k33.2.2,,,4(a);EGSB4kgCOD/(m3d),,,,4(b);10kgCOD/(m3d),,4(c);EGSB12kgCOD/(m3d),,,,4(d),,,EGSB3.2.3EGSB,555d,,,;,,,;,,451:EGSB,,,EGSB,(a)(b)4kgCOD/(m3d)(c)10kgCOD/(m3d)(d)12kgCOD/(m3d)4(a)(b)(c)54EGSB,:(1),,,,,(2),(3),,,,(4),EGSB(5)EGSB,,55200825:[1],,,.(EGSB)[J].,2001,19(2):8-11.[2]SalihRebac,JuliaRuskova,SybrenGerbens,JulesB.VanLier,AlfonsJ.M.Stams,andGatzeLettinga.High2RateAn2aerobicTreatmentofWastewaterunderPsychrophilicCondi2tions[J].JournalofFermentationandBioengineering,1995,80(5),499-506.[3],,,.EGSB[J].,2001,27(3):26-30.[4]Ching2ShyungHwu,JulesB.vanLierandGatzeLettinga.Physicochemicalandbiologicalperformanceofexpandedgran2ularsludgebedreactorstreatinglong2chainfattyacids[J].ProcessBiochemistry,1998,33(1):75-81.[5],.EGSB[J].,2006,32(2):25.[6],,.[J].,226,22(3):89-92.[7],,.[J].,2007,33(2):217-220.(48)[9],,.CVD[J].,2002,(3):17-19.[10],.[J].,2004,(2):17-18.[11],CVD[J].,2000,(7):39-40.[12],,.CVD[J].,1999,(11):8-10.[13],,.CVD[J].,2000,(2):27-30.[14],.CVD[J].,1995,(8):14-16.[15],,.CVD[J].,2003,(6):124-126.[16],,.CVD[J].,2001,(3):27-28.65