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1MBR-NFFig.1SchematicdiagramofpilotMBR-NF。、、、、。、COD30000mg·L-1、BOD5、4000mg·L-1、。。[1]。2008GB16889－2008“”COD、100、25、40mg·L-1[2]。。“”。20025、SBR3[3]。GB16889－1997COD1000mg·L-1BOD5600mg·L-1ρ(SS)400mg·L-1[4]。。MBR、NFRO[5-7][8]。。MBR-NF。11.11、MBR。、10、40、MBR－NF111221.5180472.430081GB16889－2008。MBR-NF。MBR-NFCOD、100、25、40mg·L-1。98%、99%95%。。COD20%。MBRNFTQ028.8X799.3A1000-3770(2011)04-0115-0032010-06-241982－、、0755-82266141E-mailszxp@163.com37420114TECHNOLOGYOFWATERTREATMENTVol.37No.4Apr.,20111152m3。MBRMBRPTFEPTFESPMW-05B60.2μm6m2154mm×164mm×1520mmABSpH1～140.3～0.8m·d-180N。PVDFPTFE、、、。。MBR。1.220m34130min2min1min。MBR。、、、pH。2009310。2mg·L-10.1mg·L-1。pH7～820℃34℃30℃。1.3COD2500～6500mg·L-1NH4+-N400～900mg·L-1TN500～1000mg·L-1pH7.2～9.2。CODBOD5NH3-NTNSS。1.4SBR。322MLSS4000mg·L-110000mg·L-1。COD0.3kg·m-3·d-10.8kg·m-3·d-10.05kg·m-3·d-10.15kg·m-3·d-1HRT10d4d。60d22.1CODMBR、COD2。MBRCOD2500～6500mg·L-1COD300～400mg·L-1BOD530mg·L-1MBRCODCOD50mg·L-1MBRCOD90%。80%20%COD800～1000mg·L-1。2.2NH4+-NMBR3。MBRNH4+-N99%NH4+-N10%。NH4+-NCODNH4+-N。2.3TNTN4020406080100120140 COD/mg L /d 80007000600050004000300080040002MBR、NFCODFig.2CODconcentrationofMBRinfluent,effluent,NFeffluentandconcentrateinexperimentperiod374116PILOTSTUDYONLEACHATETREATMENTBYMBR-NFPROCESSHuangXiaojun1,MengLiao1,ChenShi1,LiWu2,ShiChuanliu2（1.ShenzhenXiapingMunicipalSolidWasteLandfillSite,Shenzhen518047,China;2.WuhanHuaanDesignEngineeringCo.Ltd.,Wuhan430081,China）Abstract:Asthepromulgationfornewstandardofleachatedischarging,StandardforPollutionControlontheLandfillSiteofMunicipalSolidWaste(GB16889－2008),thetreatmentofleachatewasmorestrict.Inordertoreachthestandard,apilotstudytotreatleachatebyMBR+NFprocesshadbeenconducted.TheresearchresultsshowedthattheleachatecanbetreatedbyMBR-NFprocesseffectively.TheCOD,ammoniumandtotalnitrogenconcentrationofeffluentwerebelow100mg·L-1、25mg·L-1and40mg·L-1.Theirremovalefficiencycanreachabove98%、99%and95%respectively.Totalnitrogenremovalwasthekeyissueofthisprocess.Itmustberemovedbysecondarydenitrificationandexternaladdingcarbonsource.NFcanremovetheCODeffectively.However,theperformanceofNFwaslimitedforammoniumandtotalnitrogenremoval.Atsametime,about20%concentrateneededfurthertreatmentwillbeproduced.Keywords：membranebio-reactor(MBR);nanofiltration(NF);leachate;concentrate12。1C/N4181MBRTN50～100mg·L-1。2150mg·L-1MBRTN40mg·L-1TNTN。TN10%～20%。3MBR-NFCOD、NH4+-NTN100、25、40mg·L-1。HRT4d/MBRCOD、NH4+-NTN90%、99%95%NH4+-NTNCOD100mg·L-1COD。90%CODNH4+-NTN。20%。[1]IliesP,MavinicD.Theeffectofdecreasedambienttemperatureonthebiologicalnitrificationanddenitrificationofahighammonialandfillleachate[J].WaterResearch,2001,35:2065-2072.[2]GB16889－1997[S].[3],,.[J].,2003,29(10):26-29.[4]GB16889－2008[S].[5]TrebouetD,SchlumpfJP,JaouenP,etal.Stabilizedlandfillleachatetreatmentbycombinedphysicochemical-nanofiltrationprocess[J].WaterResearch,2001,35:2935-2942.[6],,,.MBR[J].,2007,33(9):47-52.[7]WangZ,WuZ,MaiS,etal.ResearchandapplicationsofmembranebioreactorsinChina:progressandprospect[J].SeparationandPurificationTechnology,2008,62(2):249-263.[8],,,.MBR-NF[J].,2007,33(12):35-39.04080120160200 TN/mg L /d 9008007006005004001005004TNFig.4Totalnitrogenremovalperformance0204060801001201400510152025300400500600700800 NH -N/mg L /d 3MBR、NFNH4+-NFig.3AmmoniumconcentrationofMBRinfluent,effluentandNFeffluentinexperimentperiodMBR－NF117