管式膜MBR处理垃圾渗滤液05acf87e27d3240c8447eff1

、、、。MBR。MBR≥2.5m·s-1[1-4]。MBR。、、、。11.1、MBR400L500L。PVDF41.3m。1。1。。MBR。MBR1Fig.1ThediagramofexperimentalsystemMBR11121.3001602.300160MBR、、、。1000L·h-1、0.13MPa48.02L·m-2·h-132.7℃107.5L·m-2·h-130～45g·L-175～100L·m-2·h-1NaClO≥75L·m-2·h-127.4～32.1℃。TQ028.8X799.3A1000-3770(2011)[e-mail][e-mail]/mm/℃/MPa/m2/μm/L·m-2·h-1PVDF125~500.1~0.50.0380.1500~15001Tab.1Performanceparameterofmembranemodule37820118TECHNOLOGYOFWATERTREATMENTVol.37No.8Aug.,2011117。MBR1L24L。83024L。1.22。22.1J2。28d17.5～34.6L·m-2·h-110mg·L-1NaClO18.8～20.1℃。95245～65L·m-2·h-150mg·L-1NaClO21.4～25.5℃。NaClO100～150mg·L-127.4～32.1℃70～100L·m-2·h-1。。2.23。28.4℃36.98g·L-10。3。。1000L·h-1、0.13MPa。2.34。34g·L-1、0.13MPa、0、1000L·h-1。4。32.7℃107.5L·m-2·h-1。NH3-NSS42.07~68.6832.73~45.331156~234210.9~22.65.3~7.411.61~22.602Tab.2waterqualityoflandiffleachateCOD/g·L-1BOD5/g·L-1ρ/mg·L-1pH/mS·cm-12Fig.2Therelationshipbetweenfluxandreactiontime020406080100020406080100120J/Lmht/d3Fig.3Fluxunderdifferentcirculationflowrateandpressure3006009001,2001,50010203040506070J/Lmh

q/Lh0.000.050.100.150.200.25p/MPa4Fig.4Fluxunderdifferenttemperature101520253035020406080100120
/J/Lmh378118[5]J=(0.023L·m-2·h-1)[u/(m·s-1)]0.8d-0.2[D/(m2·s-1)]0.67·[η/(MPa·s)]-0.47[ρ/(mg·L-1)]0.47ln(ρm/ρb)。DηuρDρmρb。2.45。27.4～32.1℃1000L·h-10.13MPa、0。559.32g·L-179.7L·m-2·h-130～45g·L-1MBR。、≥2.5m·s-1。MBRMBR。3MBR、、、。30～45g·L-175～100L·m-2·h-1NaClO75L·m-2·h-127.4～32.1℃。[1]VisvanathanC,AimRB,ParameshwaranK.Membraneseparationbioreactorforwastewatertreatment[J].CriticalReviewsinEnvironSciandTechnol,2000,30(1):1-48.[2],.[J].,1999,25(2):63-69.[3],,,.MBR[J].,2001,19(5):9-11.[4],.[J].,1999,25(2):63-69.[5],.[M].:,2004.STUDYONMEMBRANEPERFORMANCEINLANDFILLLEACHATEBYMBRWITHTUBULARMEMBRANEWuZhaofei1,LiuEnhua1,LiuJiansen1,DuQiyun2(1.KeyLaboratoryofHollowFiberMembraneMaterialandMembraneProcess,TianjinPolytechnicUniversity,Tianjian300160,China;2.MotianMembraneEngineeringandTechnologyCo.Ltd.,Tianjian300160,China)Abstract:Efectsofoperatingpressure,circularflow,temperatureandMLSSonmembraneunderthelong-runningwereinvestigatedbytreatingtheincinerationplantleachatewithtubularmembraneMBRprocess.Theresultsshowedthatthemembranefluxreachedto48.02L·m-2·h-1whenthecirculationflowwas1000L·h-1andoperatingpressurewas0.13MPa,themembranefluxwasincreasedwiththetemperature.Whenthetemperaturereached32.7℃,theaveragefluxcouldtoreached107.5L·m-2·h-1;MLSShadlittleeffectonmembraneflux,themembranefluxcanbemaintainedatbetween75~100L·m-2·h-1whenthesludgeconcentrationof30～45g·L-1;tubularmembranecanbemaintainedatahighflux(≥75L·m-2·h-1)stableoperationofalongtimethroughappropriatemembranecleaning.Keywords:tubularmembrane;landfillleachate;permeatingflux5Fig.5FluxvariedwithMLSS5060708090100020406080100J/Lmht/d020406080100
/gL≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥MBR119