膜_生物反应器中溶解性微生物产物的研究进展

-(,100084)--,,TOCCOD,,,,-,,-,-ProgressofstudiesonsolublemicrobialproductsinamembranebioreactorLiuRuiHuangXiaFanBinFijimotoMayumiQianYi(ESPCStateKeyJointLaboratory,DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084)AbstractAreviewconcerningtheproductionofsolublemicrobialproducts(SMP)andtheirimpactinamembranebioreactorispresentedinthispaper.Thehighperformanceofmembraneseparationinthemem2branebioreactornotonlyresultsinanincreasedorganicloadingrateandanimprovedeffluentquality,butalsobuildsthebioreactorasarelativelyclosedsystem.SMP,mostofwhichhavebeenidentifiedashumicacid,polysaccharideandproteinreleasedfromsubstratemetabolismandmicrobialendogenousgrowth,arefoundtocomprisethemajorityofsolubleTOCorCODinthebiologicallytreatedeffluent.SMPaccumulationwasal2waysobservedinamembranebioreactorduetoitsconsiderablemacromolecularcontentanditsslow2biodegradablenature.ToomuchaccumulatedSMPmaydecreasethestabilityoftheeffluentquality,repressmicrobialviability,aswellasresultinseriousmembranefouling.SMPformationisgreatlyinfluencedbyin2fluentconcentrationandsludgeconcentration.TheknowledgeaboutSMPinamembranebioreactorisfarfromcompletion.Muchworkisstillrequiredtobedone.Keywordsmembranebioreactor;solublemicrobialproducts(SMP);effluentquality;sludgeviability;membranefouling-,,,[14],,[5],(solublemicrobialproduct,SMP),,-SMP31Vol.3,No.120021TechniquesandEquipmentforEnvironmentalPollutionControlJan.,20022090,,,SMP,-SMP,1SMP,,[6]1,,UAP(substrateutilizationassociatedproducts)BAP(biomassassociatedproducts)[7]1SMP(1)(UAP),,,,(2)(BAP),,,,,[8,9],ParkinMacCarty[10],2SMP2.1SMPTOCCOD[11]NamkungRittmann,1[12],SMPTOC83%,SMP[13],SMP2,,SMPCOD100%;,SMPCOD2.2SMP,,,3SMPParkinMcCarty[10,17],1800COD50%NamkungRittmann[12],10000TOC30%64%Grady[18],10001000001(g2TOC/L)96.6161.0225.4322.0644.0966.0TOC(g/L)23.739.656.480.2144.9258.9-(%)14.316.212.812.514.715.314.3UAP(%)51.150.051.254.250.251.951.4BAP(%)34.633.836.033.335.132.834.3232SMPCOD(mg/L)COD(mg/L)SMP(mg2COD/L)SMP/COD(%)SMP/COD(%)535524532563100100630233229889.889.8578056126146.588.23455101512212.057.8436056119033.969.6427054618634.146.5686753141.373.8859733112647.967.71153575295.072.59512613512.153.83SMPCOD3SMP(%)MenahemandJosepha[14]405022.411.5Bunch[15]-23.232.87.531.2-2230.5416.3JosephaandMenahem[16]16.717.74.52.3SMP,,[19]SMP:260nm;260nm,260nm,;260nm,2.4,SMP,GaudyBlachly[20],SMP32d,SMP1570mg2COD/L;66d,SMP324mg2COD/LSMP3-SMP3.1-SMP,-SMP,,SMP,SMP-[21]-,COD3000mg/L,312g2SS/L1,SMP,[22]-,TOC600mg/L,5g2SS/L120d,SMP,SMP-[23]31:--(TOC6221mg/L),12.61.04g2SS/LTOC,70d,SMP-[24]-(TOC=710mg/L),1012g2VSS/L125d,TOC,80d,-SMP,[25]-SMP,(COD=450mg/L),34g2SS/L250d,SMP:SMP50d,100170d(35),,SMP,,SMPSMP;,,SMP,,SMP3.2SMP-3.2.1,,SMPSMP,,,2080,[11],,,,SMP,COD-,SMP,,,;SMPSMP,,[21]-SMP,,TOCSMP;[23]SMP,,SMP[25,26]-SMP,SMP,SMP,3.2.2SMP-,-SMP[24,27],SMP,;SMP,,[21]-,-SMP,,SMP,,[28](COD=8000mg/L)-SMP,,,SMPSMP,SMP;,SMP,SMP,SMP3.2.3,:;43,,;,,SMP,-,SMP,,SatoIshil[29]-,,(1):R=842.7P(SS)0.926(COD)1.3680.326(1):R,1/mP,PaSS,mg/LCODCOD,mg/L,PasWisniewskiGrasmick[30],,50%(extracellularpolymers,ECP),,ECP,,-,,SMP-SMP,[25,26],SMP,,,[22]3.3SMP,,SMP,SMP,EckhoffJenkins,SMP(2):SR=S0+(2):SRSMP,mg2COD/LS0COD,mg2COD/L,,1/d=1/SRT+bb,1/d,,,DaiggerGrady[32],SR:SR=Yb(K0/+K1+K2)S0(3)Yb,K0K1K2Chudoba[31],SMP,SMP,,,SMP1%10%1g1525mg2CODSMP,SMPRittmann[7],SMPUSMPSMP/S01d,;2d,Kuo[33]SMP,SMP/S0,SMP/S0SMP/S0,SMP,McWhorterHeukelekian[34],,SMPS0/X0,S0/X0,SMPChudoba[31],SMPS0(S0/X0)0.298651:--,,SMP,;,,SMP,-SMP,,,[26]-SMP,SMPSMPSMP,SMP,,,Ince[35]-SMPSMP,4-SMP,,-,-,-,-SMP,-SMP,:(1),-SMPSMP,,SMP,-SMP,-SMP,-;,,;;,,,SMP,(2)SMPSMP,SMPSMP,SMP(3)SMPSMP,SMP--(4)-,,SMP,,-SMP[1]ChiemchaisriC.,WongY.K.,UraseT.andYamamotoK.Organicstabilizationandnitrogenremovalinmembraneseparationbioreactorfordomesticwastewatertreatment.Wat.Sci.Tech.,1992,25(10):231240[2]ChiemchaisriC.andYamamotoK.Performanceofmem2braneseparationbioreactoratvarioustemperaturesfordo2mesticwastewatertreatment.J.Mem.Sci.,1994,87(12):119129[3]KishinoH.,IshidaH.,IwabuH.andNakanoI.Domes2ticwastewaterreuseusingasubmergedmembranebioreac2tor.Desalination,1996,106,115119[4].-().:,1996[5].-().:,1999[6]GehrR.andHenryJ.G.Removalofextracellularmateri2al.Techniquesandpifalls.Wat.Res.,1983,12:17431748[7]RittmannB.E.,BaeW.,NamkungE.andLuC.2J.Acriticalevaluationofmicrobialproductformationinbiologi2calprocesses.Wat.Sci.Tech.,1987,19(34):517528[8]HaroldF.M.Conservationandtransformationofenergybybacterialmembrane.Bact.Rev.,1972,36(1):17263230[9]PayneJ.W.Peptidesandmicroorganisms.Adv.Microbi2ol.Physiol.,1976,13(1):56113[10]ParkinG.F.andMcCartyP.L.Sourcesofsolubleorgan2icnitrogeninactivatedsludgeeffluents.J.Wat.Pollut.ControlFed.,1981a,53(1):99112[11],,.·Í›™()’ˏ;¨Òµƒ·Í›™.,1981a,18(210):4857[12]NamkungEandRittmannBE.Solublemicrobialprod2ucts(SMP)formationkineticsbybiofilms.Wat.Res.,1986,20(6):795806[13]EckenfelderW.W.andMustermanJ.L.(,).:,1997[14]MenahemR.andJosephaM.Classificationoforganicsinsecondaryeffluents.Environ.Sci.&Tech.,1971,5(7):606609[15]BunchR.L.,BarthE.F.andEttingerM.B.Organicmaterialsinsec