超滤纳滤双膜工艺处理城市污水厂出水王宁若

452Vol．45Supp．220137JOUＲNALOFSICHUANUNIVEＲSITYENGINEEＲINGSCIENCEEDITIONJuly20131009-308720132-0108-04－11*211．6100652．610072。、－－COD、TP、NH3－N、TDS。－COD、TP、NH3－N、TDS81%、90%、91%、91%pH5～6．5。COD、TP《》GB3838—2002ⅡNH3－NⅢ。。X703．1AStudyonUF-NFforMunicipalWastewaterAdvancedTreatmentWANGNing-ruo1ZHANGYong-li1*ZHANGJian2LINJie11．SchoolofArchitectureandEnvironmentSichuanUniv．Chengdu610065China2．ChengduHydroelectricInvestigation＆DesignInst．ofSPCChengdu610072ChinaAbstractPerformanceofUF－NFforthetreatmentofmunicipalwastewaterwasinvestigated．TheremovalefficiencyforCODTPNH3－NTDSwas81%90%91%91%respectively．TheeffluentwaspartialacidpH5～6．5andneedtotakecertainmeasurestoneutralpH．Theresultsshowedthattheeffluentwaterhashighqualityandcanbereusedeitherdirectlyorindirectlyformunicipalorindustrialpurposesandevencanbeusedasdrinkingwatersources．KeywordsUFNFdoublemembraneprocessadvancedtreatment、、1。。、、。、、2、、、、3。。2013－05－06ITＲ10271987—[e-mail]*[e-mail]、、、“”。、－。UF1～0．02nm、SS4。、3。NF5。。、、。3。、、6。－－COD、TP、NH3－N、TDS。11．11。UF1IA225PS。225×1503mm45m20．3MPa＜50NTU25℃0．1MPa7200L67000pH2～131～2。2NF90－4040。1016mm7．6m290%40℃4．1MPa3．6m3/h15%75%pH2～11。1．2。A2/O100m3/d。、。1。1．3CODNH3－NTPTDSpHpH。1－Fig．1SchematicdiagramofcombinedUF-NFprocess2A2/O1。1Tab．1ＲawwaterqualitiesofUF-NFprocesspH6．826．22～7．80BOD/mg·L－14．032．00～12．00COD/mg·L－116．9811．60～22．45TN/mg·L－117．499．50～25．32AN/mg·L－18．690．32～22．75TP/mg·L－10．460．08～2．54TDS/mg·L－1340．96252．0～474．0SS/mg·L－17．335．00～31．0033．1COD、COD2。2－CODFig．2CourseofCODremovalinUF-NF2CODCOD81．07%93．98%67．54%。。。9012－COD。COD200～1000COD、7。CODCOD。COD。COD3．29mg/L6．24mg/LCODI15mg/L。3．2NH3－NNH3－N3。32NH3－N。NH3－N。NH3－N。NH3－NNH3－N。NH+4。3－NH3－NFig．3CourseofNH3－NremovalinUF-NFNH3－N90．23%NH3－NⅢ20%0．15mg/LⅠ。NH3－N。3．3TP－TP4。4TP100%TP0．1mg/L。TPTP。TP《》GB3838—2002Ⅱ0．1mg/L。4－TPFig．4CourseofTPremovalinUF-NFH2PO4－、HPO42－、PO43－、、。DonnanDonnan。、、23。3．4TDSTDS5。、。TDSTDS33mg/L91．03%。5－TDSFig．5CourseofTDSremovalinUF-NFTDS20～40mg/L《》GB5749—2006TDS1000mg/L。TDS。011453．5pH6pH《》GB3838—2002pH。pH5～6．5。pHCO2CO2HCO－3HCO－3CO2。CO2HCO－3pH。Yariv8CO2pH8．53。。CO2pH。6－pHFig．6pHchangesinUF-NFeffluents41－COD《》GB3838—2002INH3－N3TPIITDS《》GB5749—2006TDS1000mg/L。《》GB/T18921—2002。2－pH5～6．5《》GB3838—2002。。CO2pH。3－。。1SongLaizhouBaiMinghuaLiJian．Municipalwastewateradvancedtreatmentbyusingmicro-filtrationmembraneJ．JournalofSafetyandEnvironment20044512－15．．J．20044512－15．2WangＲong．NanofiltrationapplicationinurbanwastewatertreatmentJ．WaterSupplyandDrainage2002126－9．．J．2002126－9．3ZhangYajunLiZhuo．ApplicationofmembranetechnologyinwastewatertreatmentandreclaimationJ．JournalofBei-jingInstituteofCivilEngineeringandArchitecture20042038－10．．J．20042038－10．4WuGuangQiuGuangmingChenCuixianetal．ApilotstudyonmunicipalsewagetreatmentandreuseviaUFmem-braneprocessJ．MembraneScienceandTechnology200424138－41．．J．200424138－41．5TamLSTangTWLauGNetal．ApilotstudyforwastewaterreclamationandreusewithMBＲ/ＲOandMF/ＲOsystemsC//Desalination．20072021/3106－113．6LiQingxueXiaoWeiWuWeietal．AdvancedtreatmentoftracepollutantsbyacombinationprocessofnanofiltrationwithotherprocessJ．MembraneScienceandTechnology2010305103－106．．J．2010305103－106．7LuoMinHouLi’anWangZhansheng．AstudyonorganicsrejectionmechanismbynanofiltrationmembraneJ．ActaScientiaeCircumstantiae20002050523－527．．J．20002050523－527．8YarivCHolgerK．IncresingthepHofwastewatertohighlevelswithdifferentgases—CO2strippingJ．WaterAirandSoilPollution2004159265－275．1112－