好氧颗粒污泥处理高含盐废水研究汪善全

,,,＊(,　100875):(SSBR).,.10gLNaCl,70.3%～97.6%TOC.35gLNaClVc,70%TOC.0.5～3mm,.,、(OUR)、.,,.,,TOC,.:SSBR;;;TOC:X703.1　:A　:0250-3301(2008)01-0145-07:2007-01-08;:2007-03-14:(50478093);:(1982～),,,,E-mail:[e-mail]＊,E-mail:[e-mail]tionofHighSalineWastewaterTreatmentUsingAerobicGranulesWANGShan-quan,YUANYuan,KONGYun-hua,ZHUJian-rong(SchoolofEnvironment,BeijingNormalUniversity,Beijing100875,China)Abstract:Completeaerobicgranulationcouldbeachievedinshakingsequencingbatchreactors(SSBR)withsalinewastewaterrespectivelyinoculatedconventionalactivatedsludgeandanaerobicgranules.PrettygoodspecificTOCremovalratescouldbeachievedwithoutinoculatingthehalo-bacteriaatthestart-uptime.Whenthesalinitywaslessthan10gLNaClwiththesyntheticglucose-richwastewaterassubstitute,theTOCremovalefficiencywasintherangeof70.3%～97.6%.Afterthesalinitywas35gLNaClandtheinfluentwascompletelychangedtoVcwastewaterassubstrate,similarTOCremovalefficiencyabout70%couldbeachievedcomparedwiththeperformanceoffreshVcwastewatertreatmentunderthesamecondition.Thegranulesinsalinewastewaterhadadiameterof0.5～3mm,andsalineaerobicgranuleshadmuchhighersettlingvelocity,higheroxygenutilizationrate(OUR),lowersludgeproductionandbetterstructuralintegritythanthoseofthegranulesfromfreshwastewater.Salineaerobicgranulesshowedperfectprotecting-abilityagainstthesalineshockandcouldquicklyrecoverfromlongtermsharpsalinechange.Duetothedifferentsludgeinoculation,theaerobicgranulesfromaerobicflocshadsuperiorTOCremovalperformanceandinferiorsalineshockprotecting-abilitycomparedwiththeaerobicgranulesfromanaerobicgranules.Keywords:SSBR;aerobicgranule;salinewastewater;TOC　　,、、、、、[1],,.,,,[2].,Woolard[3],.,.,,,.、、[4～6],(、),.,[7],29120081　　　　　　ENVIRONMENTALSCIENCEVol.29,No.1Jan.,2008DOI:10.13227/j.hjkx.2008.01.018.,SSBR.1　1.1　,COD900～1200mgL.NaCl,10gLNaCl,2gLNaCl,3gLNaCl5gLNaCl.13gLNaCl,,Vc.VcGCMS[8],,,KS,.VcCOD1000～1500mgL.3SSBR[9],1　Fig.1　SchematicrepresentationofthebioreactorR1、R2、R3,1.R1、R2,R1,R2.R3,,R1、R2,R3.,12h,5min,710min,1min,4min.25℃±1℃,,160rmin.1.2　TOCELEMENTAL.MLSS、VSS、SVI[10].(OUR),[11],.OlympusBX412OlympusC5050Zoom.[12].FEIQUANTA200,:①-;②;③;④(CPD030CriticalPointDryer);⑤(SCD005SputterCoater);⑥、.2　2.1　,SSBR.R1、R31,2.R2,,R25.30d,,R3R1、R21.TOC2.2,R1、R210gLNaCl、,70.3%～97.6%TOC,85%,5gLNaCl70%[13].R1(3.4gL)R2(4.6gL),R1TOCR2.2:,R1,R2,R1,TOC;,TOC,.R1、R210gLNaCl13gLNaCl,146　　　　　　29　　　　2　TOCFig.2　Performanceofthereactors-TOCremovalefficiencyR1、R2,TOC85.1%88.6%46.2%49.1%.Ventosa[14],2:,10gLNaCl,10gLNaCl,(10～30gLNaCl)、(30～150gLNaCl)(150gLNaCl)3.10gLNaCl,R1、R2.10gLNaCl,R1、R2,,TOC,TOC.2TOC,R1、R2,TOC.,R2,TOC79.9%,R110%TOC,85.1%TOC,,,.30d,13gLNaCl,R1、R2R3,,3,R3TOC95%,R1、R2TOC,SVISS,TOC.,,,().,37d3Vc,.,Vc,R2、R3TOC,2TOC.R110gLNaCl13gLNaCl,,TOC,,R1TOC2,,R1TOCR2TOC,TOC,,.2,R1、R235gLNaCl,R1、R2TOC69.2%～72.4%60%～66.7%,R3TOC71.2%～76.8%.,1471:TOCSBRCOD1000～1200mgLVc[12].50gLNaCl,,TOC,.,.2.2　,R1、R230gLNaCl,3.TOC3d,TOC.3　Fig.3　ChangesoftheTOCremovalefficiencyinsalineshocktest3,3d,TOC,.,30gLNaCl.TOC6d.9d,2,TOC,3,R26dTOC.,R1、R2TOC210gLNaCl13gLNaCl2TOC,:.,R1TOCR2TOC,,TOC.2.3　TOC,.4.R1、R31,R2,,.R25.,.R10.5～2mm(4D)、R21.5～3mm(4E)、R31.5～2.5mm(4F).[15],,69～106mh(30～60mh),,,R1、R2SVI15～30mLg,SS.,,5、6(35gLNaCl).5,R1、R2VSSSS0.470.28,0.6VSSSS,R3VSSSS0.78,(35gLNaCl,69～80mh)R3(36.5mh);,6,16,,50d,,.,148　　　　　　29,.OUR7A、B、CR1、R2R3,D、E、FR1、R2R34　Fig.4　MicroscopicobservationofseedsludgeandgranularsludgeinR1,R2andR35　VSSSSFig.5　VSSSSinR1,R2andR36　Fig.6　SludgeproductioninR1,R2andR3(35gLNaCl),,,R1R3.,R1、R2,R2R12,VSSSS,R1VSSSSR2VSSSS2,R1R2,2TOC.R1、R22,　　　　　　7　Fig.7　ChangesofOURinR1,R2andR31491:.,R1R3,8.A、BR1、R3,C、D8　Fig.8　Scanningelectronphotomicrographsofgranules　　8,、.,VSSSS,.2:①VSSSSVSSSS,VSS,;②,,,SS,SS、SS,SS.3　(1)SSBR,.10gLNaCl,70.3%～97.6%TOC;35gLNaClVc,TOCSBRVcTOC.(2),.150　　　　　　29,;,2,.(3).R10.5～2mm,R21.5～3mm,R31.5～2.5mm.,,SS.(4)VSSSS、、4.R1、R2VSSSS0.470.28,VSSSS,16;,(35gLNaCl,69～80mh).(5)2,,、.:[1],,,.　　　　　　[J].,1999,20(3):104-106.[2]KargiF,DincerAR.Effectofsaltconcentrationonbiologicaltreatmentofsalinewastewaterbyfed-batchoperation[J].EnzymeandMicrobialTechnology,1996,19:529-537.[3]WoolardCR,IrvineRL.Biologicaltreatmentofhypersalinewastewaterbyabiofilmofhalophilicbacteria[J].WaterEnvRes,1994,66:230-235.[4],.[J].,1999,20(2):38-41.[5],,,.SBR[J].,2003,24(4):94-98.[6]ZhuJR,LiuCX,WildererPA.Bio-Premovalprofileofaerobicgranularactivatedsludge(AGAS)fromananaerobicaerobicSBRsystem[A].In:IWA.1stInternationalSymposiumonAerobicGranuleSludgeWorkshop[C].Munich,Germany,2004.[7]SchwarzenbeckN,WildererPA.TreatmentoffoodindustryeffluentsinagranularsludgeSBR[A].In:WEM.AerobicGranularSludge[C].2005.95-102.[8],,.UASBVc[J].,2007,25(1):9-13.[9]CaiC,XuF,LiuJ,etal.Cultivationofaerobicgranulesinasequentialbatchshakingreactor[J].EnvironmentalTechnology,2004,25:937-944.[10].[M].().:,1989.106-110,354-367.[11],,,.[J].,2005,26(4):124-128.[12],,,.Vc[J].,2007,28(10):2243-2248.[13]NugulI,KellerJ,BlackallLL.Biologicalnutrientremovalefficiencyintreatmentofsalinewastewater[J].WatSciTech,1999,39(6):183-190.[14]VentosaA,