UASB反应器处理CMC废水的启动特性研究潘碌亭

UASBCMC,,(,　200092):(UASB),(CMC),UASB、.,,CMC,80d,UASB;COD4000mgL,6.86kg(m3·d),COD80%;,.:UASB;CMC;;:X783.5　:A　:0250-3301(2009)11-3324-05:2008-12-23;:2009-03-06:(2006BAJA09):(1964～),,,,,E-mail:[e-mail]t-upPeriodinUASBReactorforTreatingCMCWastewaterPANLu-ting,WANGJian,LUOHua-fei(StateKeyLaboratoryofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China)Abstract:Thestart-up,thecharacteristicsofgranularsludgeandthetreatmenteffectofanupflowanaerobicsludgeblanket(UASB)reactorundermid-temperaturewerestudiedwithhighconcentrationcarboxymethylcellulose(CMC)wastewaterastreatingobject.Experimentresultsshowedthatitspent80daystostartupUASBbygraduallyincreasingtheinfluentCMCconcentration,andtheseedsludgewasthemixtureoftheinoculumgranularsludgeandthedigestionsludge.TheremovalrateofCODcouldreachabove80%whenthevalueofinfluentCODconcentrationwas4000mgLandtheorganicloadingwas6.86kg(m3·d),respectively;granularsludgehasbeenobtainedinthereactor,andthespecificmethanogenicactivityofthegranularsludgewaswell.Keywords:upflowanaerobicsludgeblanket(UASB);carboxymethylcellulose(CMC);wastewater;anaerobicgranularsludge　　(CMC)、、、、、、、、、、[1～5];,COD20000mgL,,,[6].(UASB)[7～10],CMC.UASB、[11～14].UASBCMC,、,UASBCMC.1　1.1　,、、;,,pH4～5,COD16000～25000mgL,()4%～5%.,[15],COD12000mgL,UASB.1.2　UASB,50mm,120mm(),500mm.,100mm,300mm.2.57L,1.4L.1.1.3　1.3.1　UASBUSAB35℃[16,17].,(1∶3),40%,VSS7.2gL.,,CMCCOD(1),CMC;pH7.2,1000mgL.3011200911　　　　　　ENVIRONMENTALSCIENCEVol.30,No.11Nov.,2009DOI:10.13227/j.hjkx.2009.11.0381　UASBFig.1　SchematicdiagramofUASBequipment　1　UASBCODTable1　ChangesofinfluentCODconcentrationduringUASBacclimationprocessdCODmg·L-1CODmg·L-1CMCCODmg·L-11～81000100009～222000150050023～3830002000100039～5035002000150051～6035001000250061～804000040001.3.2　UASB,(SEM);60d80d.1.3.3　,UASB,.5,、、、、CMC.COD3500mgL,、UASB,1.54gL,pH7.2,37℃,250mL.1.4　COD、pH、(VSS)[18];;[19].2　2.1　UASB80d,COD、COD、COD、、23.2　、CODFig.2　ChangesofCODconcentrationandremovalefficiencyoftheinfluentandeffluentatdifferenttime　3　HRTVLRFig.3　ChangesofHRTandVLRatdifferenttime　　　,.0.047Lh,COD0.67kg(m3·d),0.02m3(m2·h),8d,,COD80%.9d,,CMC,,1.6kg(m3·d),UASB,COD,14dCOD80%,CMC;,.23d,CMC,,3kg(m3·d),COD,CMC,CMC332511:UASBCMC;30d,,,0.1～0.3mm.39dCMC,4.67kg(m3·d),COD;51d,,CMC,COD3500mgL,,COD;,.61d,CMC,COD4000mgL,6.86kg(m3·d);COD80%,,;80d,.2.2　2.2.1　(1～29d),4,,,.,,(5),.4　Fig.4　Flocculentsludge　2.2.2　(30～60d)30d,UASB,,,;,、.,,;,,60d.2.2.3　(60～80d)5　Fig.5　Fragmentsofgranularsludge　,[6(a)],,[6(b)],;1mm,,UASB7mm,,5mm;,1.06gcm3,21～22mh,.6(c),.2.2.4　60、80d,UASB,.7,60d,,,0.8mm63%.,,,80d,0.8mm61%.2.3　8,,CMC.,(1gVSS1d)136mL,33mL,40mL,CMC29mL;119mL,CMC17mL.,,;CMC3326　　　　　　306　Fig.6　Granularsludge　,,CMC.CMC,,12%,CMC41%.,CMC,.7　60、80dFig.7　Sizedistributionofgranularsludgeinthesixtiethdayandtheeightiethday　8　Fig.8　Methaneproductionofeachsubstrate　3　[20～22],UASB,:(1),.,(ECP),.　　(2).,,,.CMC,332711:UASBCMC,,,,.(3),、,,..,()[23～25],.,,;.,,,,ECP,,.4　(1),CMC,80d;COD4000mgL,6.86kg(m3·d),COD80%,.(2),,1mm,;,.(3);CMC.:[1]　,.[J].,2008,6(7):40-43.[2]　,,.[J].,2005,34(4):50-52.[3]　,,.[J].,2008,44(10):56-58.[4]　ChengLH,KarimAA,SeowCC.Characterisationofcompositefilmsmadeofkonjacglucomannan(KGM),carboxymethylcellulose(CMC)andlipid[J].FoodChem,2008,107(1):411-418.[5]　DolzM,JiménezJ,HernándezMJ,etal.Flowandthixotropyofnon-contaminatingoildrillingfluidsformulatedwithbentoniteandsodiumcarboxymethylcellulose[J].JPetSciEng,2007,57(3-4):294-302.[6]　,.[J].,2000,30(4):25-29.[7]　MajumderPS,GuptaSK.Degradationof4-chlorophenolinUASBreactorundermethanogenicconditions[J].BioresourTechnol,2008,99(10):4169-4177.[8]　TawfikaA,SobheybM,BadawyaM.Treatmentofacombineddairyanddomesticwastewaterinanup-flowanaerobicsludgeblanket(UASB)reactorfollowedbyactivatedsludge(ASsystem)[J].Desalination,2008,227(1-3):167-177.[9]　SubramanyamR,MishraIM.Co-degradationofresorcinolandcatecholinanUASBreactor[J].BioresourTechnol,2008,99(10):4147-4157.[10]　OktemYA,InceO,SallisP,etal.Anaerobictreatmentofachemicalsynthesis-basedpharmaceuticalwastewaterinahybridupflowanaerobicsludgeblanketreactor[J].BioresourTechnol,2008,99(5):1089-1096.[11]　,,,.UASB[J].,2007,23(3):53-56.[12]　,,,.UASB[J].,2007,1(8):62-65.[13]　SponzaDT.Enhancementofgranuleformationandsludgeretainmentfortetrachloroethylene(TCE)removalinanupflowanaerobicsludgeblanket(UASB)reactor[J].AdvancesEnvironRes,2003,7(2):453-462.[14]　ShowKY,WangY,FoongSF,etal.Acceleratedstart-upandenhancedgranulationinupflowanaerobicsludgeblanketreactors[J].WatRes,2004,38(9):2293-2304.[15]　,,.[J].,2007,38(6):28-30.[16]　,,,.UASB[J].,2005,31(7):66-79.[17]　MahmoudN.HighstrengthsewagetreatmentinaUASBreactorandanintegratedUASB-digestersystem[J].BioresourTechnol,2008,99(16):7531-7538.[18]　.[M].().:,2006.[19]　.[M].:,2002.[20]　LiuY,XuHL,YangSF,etal.Mechanismsandmodelsforanaerobicgranulationinupflowanaerobicsludgeblanketreactor[J].WaterRes,2003,37(4):661-673.[21]　HulshoffPolLW,DeCastroLopesSI,LettingaG.Anaerobicsludgegranulation[J].WaterRes,2004,38(6):1376-1389.[22]　SheZL,ZhengXL,YangBR,etal.Granuledevelopmentandperfor