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。F/M。F/MF/MA2/OF/M[1]。A2/OF/MF/M[2-3]。A2/OF/MA2/O。、C/NA2/O。A2/OF/MF/MA2/OA2/O、A2/OF/M。11.1A2/O1。60cm×20cm×12cm14.4L16cm28cm4.8L18cm32cm5.8L。1.2A2/O1。IWAKIESBN42.4L·h-16hF/MA2/O11,21111.2000622.211400A2/O。F/MA2/O。CODF/M0.14～0.28gBOD5·gMLSS-1·d-1BOD5F/M0.14～0.22gBOD5·gMLSS-1·d-1F/M0.13～0.23gBOD5·gMLSS-1·d-1F/M0.14～0.28gBOD5·gMLSS-1·d-1。F/M0.14～0.22gBOD5·gMLSS-1·d-1A2/O。A2/OX703.1A1000-3770(2009)07-059-052008-11-282007《》20070071983－021-62232617E-mailmshuang@des.ecnu.edu.cn。1Fig.1Operationprogramofthepilotscale 35720097TECHNOLOGYOFWATERTREATMENTVol.35No.7Jul.,200959DOI:10.16796/j.cnki.1000-3770.2009.07.0192h2h0.12gBOD5·gMLSS-1·d-1BT100-1J21/22～4mg·L-10.5mg·L-1、、DN13W30r·min-115d2.5h。1.3BOD5A2/OF/M0.03～0.44gBOD5·gMLSS-1·d-1。120dF/MA2/O。1.4COD、BOD5、NH3-N、TN[4]。22.1F/MCODA2/OCODF/M2。2F/M0.15～0.28gBOD5·gMLSS-1·d-1A2/OCOD。F/M0.15gBOD5·gMLSS-1·d-1CODMonod[5]CODF/M0.28gBOD5·gMLSS-1·d-1CODF/MF/MCOD。CODF/MA2/OF/M。A2/OCODCOD3。F/M0.17gBOD5·gMLSS-1·d-1F/M0.23gBOD5·gMLSS-1·d-1F/MCODCOD。2.2F/MBOD5F/MA2/OBOD5COD4BOD5、BOD5BOD5F/MF/M0.14～0.22gBOD5·gMLSS-1·d-1。BOD5F/M02468101214161820222426010203040506070 COD 0.000.050.100.150.200.250.300.350.400.45 /gBOD gMLSS d 3F/MCODFig.3EffectofF/MonCODremovalinanaerobicandaerobictank0246810121416182022242630405060708090100 BOD 0.000.050.100.150.200.250.300.350.400.45 /gBOD gMLSS d 4F/MBOD5Fig.4EffectofF/MonBOD5removalrateofsystem02468101214161820222426102030405060708090100 0.00.10.20.30.4 /gBOD gMLSS d 2F/MCODFig.2EffectofF/MonCODremovalrateCODNH4+-NTNNO3--NTP220～18020018～242138～42400.2～0.60.41～421/mg·L-1Table1Influentwaterquality/mg·L-1357600.15～0.28gBOD5·gMLSS-1·d-15。CODF/MA2/OBOD5BOD5BOD5。2.3F/M1gNO3--N3.7gCOD[6]F/M。NO3--NTN6、7。6、7NO3--NTNF/M0.03～0.069gBOD5·gMLSS-1·d-1[7]NO3--N12.9%TN10.8%F/M0.13～0.23gBOD5·gMLSS-1·d-1NO3--N25%～45%29.8%TN29.2%F/MA2/O、C/NA2/OF/M[8-9]F/M0.25gBOD5·gMLSS-1·d-1F/MF/MF/MA2/ONH4+-N[10-11]。A2/OF/MF/M。2.4F/MF/M8、9。8NO3--NF/MF/MNO3--NF/MNO3--N。051015202530350246810121416 NO -Nmg L 0.000.050.100.150.200.250.300.350.400.45 /gBOD gMLSS d 8F/MNO3--NFig.8EffectofF/MonconcentrationofNO3--Ninaerobictank0510152025303505101520253035404550 0.000.050.100.150.200.250.300.350.400.45 /gBOD gMLSS d 7F/MTNFig.7EffectofF/MonTNremovalinanoxictank024681012141618202224265101520253035404550BOD 0.000.050.100.150.200.250.300.350.400.45 /gBOD gMLSS d 5F/MBOD5Fig.5EffectofF/MonBOD5removalinanaerobicandanoxictank0510152025303505101520253035404550 0.000.050.100.150.200.250.300.350.400.45 /gBOD gMLSS d 6F/MFig.6EffectofF/MondenitrificationfunctioninanoxictankF/MA2/O61F/MNH4+-NNO2--NA2/ONO3--NF/MNH4+-NNO3--NF/MNO3--N[12-13]。9F/M0.14～0.28gBOD5·gMLSS-1·d-1NH4+-N96.1%F/MNO3--N9.45mg·L-1NH4+-NNH4+-NF/M[14]。2.5F/MF/M10、11。10NO2--NNO3--N。NO2--NNO3--N[15]。NH4+-NNH4+-N[16]。11NH4+-NF/M0.22～0.27gBOD5·gMLSS-1·d-1F/MF/M。3NH4+-NNO3--NDO。CODF/M0.15～0.28gBOD5·gMLSS-1·d-1BOD5F/M0.14～0.22gBOD5·gMLSS-1·d-1A2/O0.10～0.15gBOD5·gMLSS-1·d-1CF/M。F/M0.13～0.23gBOD5·gMLSS-1·d-1F/MF/M0.14～0.28gBOD5·gMLSS-1·d-1F/MNO3--NF/MNH4+-N、TNF/M0.14～0.28gBOD5·gMLSS-1·d-1TN70%。[1],.[M].:,1992.[2],,,.A2/O[J].,2003,29(3):22-26.05101520253035102030405060708090100 0.000.050.100.150.200.250.300.350.400.45 /gBOD gMLSS d 11F/MFig.11EffectofF/Monnitrosification9F/MNH4+-NFig.9EffectofF/MonNH4+-Nremoval05101520253035707580859095100 0.000.050.100.150.200.250.300.350.400.45 /gBOD gMLSS d 051015202530356810121416 NO -Nmg L 0.000.050.100.150.200.25NO -Nmg L 10F/MNO2--NNO3--NFig.10EffectofF/MonconcentrationofNO2--NandNO3--N35762THEPREPARATIONOFANOVELAROMATICPOLYAMIDENANOFILTRATIONMEMBRANEWangLi,RenXiaojing,ZhaoChangwei,LuanZhaokun(StateKeyLaboratoryofEnvironmentalAquaticChemistry,ResearchCenterforEco-EnvironmentSciences,ChineseAcademyofScience,Beijing100085,China)Abstract:Anovelaromaticpolyamidenanofiltrationmembranes(NF)werepreparedbyphaseinversionmethodusingpoly(m-phenyleneisophthalamide)(PMIA)asthemembranematerial.TheeffectsoftheconcentrationofPMIAandtheadditiveinthecastingsolution,theevaporationtemperatureofnascentmembrane,thethicknessofmembranesandthetemperatureandcompositionofcoagulationbathontheperformanceofnanofiltrationmem-branes(NF)wereinvestigated.Undertheconditionofthepressure0.7MPaandthetemperature25℃,therejectionofthenanofiltrationmembraneontheconcentrationof500ppmNa2SO4was80%,andthepermeationfluxwas18.04L·m-2·h-1.Theseparationperformanceoftheself-madeNFmem-braneswasremarkablegoodincomparisonwiththecommercialNFmembranes.Keywords:aromaticpolyamide,phaseinversionmethod,nanofiltration,preparationINFLUENCEOFBOD5LOADING(F/M)ONNITROGENREMOVALINA2/OPROCESSZhaoFeng1,DaiXingchun1,2,HuangMinsheng1,ZhuYong1,LinJianbo1（1.SchoolofResourceandEn