白腐菌附着式生物膜反应器处理垃圾渗沥液技术研究

:025322468(2004)0220309206:X703:A,,(,200237):,.,97h2000mgL-184mgL-1,.,SBR,.:;;AstudyontreatmenttechnologyoflandfillleachatebyabiofilmreactorwiththewhiterotfungiGAOHang,XUHongyong,LIUYongdi(DepartmentofEnvironmentalEngineering,EastChinaUniversityofScienceandTechnology,Shanghai200237)Abstract:Effluentfrombiochemicalreactorforlandfillleachatewasfurthertreatedbywhiterotfungusbiofilminthefixedbedbioreactorfilledwithcinder.Myceliabeforeandafterdomesticationwereobservedundermicroscope.Effectsofdifferentfactorsonbiodegradationefficiencywerestudied.Resultsshowedthattheremovalefficiencywasthehighestwhenretentiontimewas97hoursandtheconcentrationsofglucoseandNH+42Nwere2000mgL-1and84mgL-1respectively.Inaddition,comparedwiththeprocessofactivesludge,whiterotfungiwereprovedtobeadvantageousinremovalofCOD,colorityandNH+42N.Keywords:landfillleachate;whiterotfungus;biofilmreactor:2003203213;:2003206202:(00JG05042):(1978),,,,,,,,[1,2]..,,,[3,4],,.,.,,,.24220043ACTASCIENTIAECIRCUMSTANTIAEVol.24,No.2Mar.,20041111(Phanerochaetechrysosporium)().(PDA).(PDA):1520g1520g,1000mL200g,pH[5].,3957d,4..,:MgSO4500mgL-1,FeSO410mgL-1,ZnSO410mgL-1,MnSO410mgL-1,CaCl2100mgL-1,NH4Cl50mgL-1,10000mgL-1,B11mgL-1,KH2PO41000mgL-1.1121.,1005mL,845mL.,.,30,.,201[6].111213141()5161718191101111121131141151Fig.1Theschematicdiagramofreactor113,1cm3,121,011MPa20min.,,.10%..,,.,,.500mL,SBR.,CODCr,SBR12h.,.114,.25mL,.,(OLYMPUSPM210AD).115CODCr:[7];BOD5:5[7];NH+42N:[7];:0145m390nm[8];0145m5,260nm01324[9].,CODCrCODCr,CODCr.22111.1Table1WaterqualityofeffluentfrombiochemicalreactorforLaoganglandfillleachateCODCrP(mgL-1)2087PP(mgL-1)4111BOD5/(mgL-1)106SSP(mgL-1)195NH+42N/(mgL-1)974pH815P/(mgL-1)11351105/(mgL-1)66401,.,[1012];,SS,,.,23.2Table2EfficienciesofdenitrificationamongdifferentapproachesmgL-1NH+42NNH+42N(pH=1110,=30001)974262(pH=1210,=40001)974218(MgNP=111,)974843Table3EfficiencesofcoagulationusingconcentrationsofpolyferriccoagulantmgL-1CODCrCODCr600208712608002087109410002087105023,;800mgL-1.2(400)Fig.2MyceliaofP.chrysosporiumbeforedomestication(400times)2125d,2.5d.CODCr,.,,,.,.3.23,,(P.chrysosporium).213(1)4,66h97h,CODCr600mgL-1502mgL-1,12%;,.,1132:,,,OH,.,.3(400)Fig.3MyceliaofP.chrysosporiumafterdomestication(400times)4CODCrFig.4EffectofretentiontimeonremovalefficiencyofCODCr(2)().,,,.,,.,,.97h,,CODCr5.5Fig.5EffectoftheconcentrationofglucoseonremovalefficiencyofCODCr5,500mgL-12000mgL-1,CODCr10%.5000mgL-1,.,,,OH,[13].,,,,.,.,.,,.(3)[1012],.,21324.,,,6CODCrFig.6RemovalefficiencyofCODCrunderdifferentinitialconcentrationsofNH+42N,6.6,CODCr.CODCr,CODCr.6,100%,8410mgL-1,CODCr4716%;,1025mgL-1,CODCr2412%.,,CODCr.,,.,.214,97h,2000mgL-1,NH+42N8410mgL-1.,SBRCODSBR12h.SBR,,4.4SBRTable4ComparisonbetweentreatmentwithwhiterotfungusbiofilmreactorandwithSBRCODE390E260P(mgL-1)P(mgL-1)P%P(mgL-1)P(mgL-1)P%P(mgL-1)P(mgL-1)P%P(mgL-1)P(mgL-1)P%8044284618851627106815014401254312013601262718SBR80867316178714681122110145014011110137013213154,.CODCr50%,68%.,(E390)(E260),.3(1)56d.,,.(2),,.,,.3132:(3)..,,.(4),,CODCr..:[1],,.[J].,1999,7(3):3239[2]BaumgarterG,SeyfriedCF.ExperiencesandnewdevelopmentsinbiologicalpretreatmentandphysicalPost2treatmentoflandfillleachate[J].WaterScienceandTechnology,1996,34(728):445453[3],,,.[J].,1998,18(2):184188[4],.[M].:,1999[5],.[M].:,1980[6],.[J].,1995,14(6):4448[7].[M].:,1989[8],,,.DOM[J].,2001,17(12):1317[9],,,.[J].,2000,32(4):334337[10]SrinivasanC,DsouzaTM,BoominathanK,etal.DemonstrationofLaccaseintheWhiteRotBasidiomycetePhanerochaetechrysos2poriumBKM2F1767[J].AppliedandEnvironmentalMicrobiology,1995,61(12):42744277[11]ReddyCA.AnoverviewoftherecentadvancesonthephysiologyandmolecularbiologyofliginperoxidasesofPhanerochaetechrysos2porium[J].JournalofBiotechnology,1993,30:91107[12]BumpusJA,TienM,WrightD,etal.Oxidationofpersistentenvironmentalpollutantsbyawhiterotfungus[J].Science,1985,238:14341436[13]DavidPBarr,StevenDAust.Mechanismwhiterotfungiusetodegradepollutants[J].EvironmentalScienceTechnology,1994,28(2):78A87A41324