不同预处理超滤工艺的除污特性及氯消毒效能黄静

/111121．1001242．150090、/、/。99%、、//。1．0mg/L48h/、/HAAFPTHMFP。TU991A1000－4602201201－0022－052008ZX07421－002、2008ZX07422－005PollutantRemovalCharacteristicsandChlorineDisinfectionEfficiencyofUFProcessesHUANGJing1YANGYan-ling1LIXing1XILu-yi1LIGui-bai21．CollegeofArchitectureandCivilEngineeringBeijingUniversityofTechnologyBeijing100124China2．SchoolofMunicipalandEnvironmentalEngineeringHarbinInstituteofTechnologyHarbin150090ChinaAbstractThepollutantremovalcharacteristicsandchlorinedisinfectionefficiencyofthreekindsofultrafiltrationprocessessuchasdirectultrafiltrationpowderedactivatedcarbonPAC/ultrafiltrationandcoagulation/ultrafiltrationwerestudied．Theresultsshowthattheremovalrateofturbiditybythethreekindsofultrafiltrationprocessescanreachmorethan99%．Howevertheremovalefficiencyofdis-solvedorganicpollutantsammonianitrogenchlorinedisinfectionby-productsprecursorsbydirectultra-filtrationprocessispoorerPAC/ultrafiltrationprocessandcoagulation/ultrafiltrationprocesscombinethemeritsofultrafiltrationandpretreatmentprocessandtheirpollutantremovalefficienciesareenhanced．Becauseofthegrowthandextrusionofmicroorganismsthereisstillasmallamountofsuper-coloniesde-tectedaftermembrane．Butafteraddingchlorineof1．0mg/Ltheeffluentqualityofthesethreeproces-sesisbetterthanthenationalstandardwithin48h．BothofthetwoUFcombinedprocessescanreducetheformationpotentialofchlorinedisinfectionby-productsatthesametimetheremovalefficiencyofHAAFPinthetwoprocessesisbetterthanTHMFP．Keywordsdrinkingwaterultrafiltrationpowderedactivatedcarboncoagulationchlo-rinedisinfection·22·28120121CHINAWATER＆WASTEWATERVol．28No．1Jan．2012、、、1。、。23。45。6/Joseph。。//、/。11.11。10L/m2·hPVC0．01μm0．067m2。PLC10min8min、2min20m3/m2·h40min。、/、/1#、2#3#。6mg/L2000．5g/L。1Fig．1Schematicdiagramoftestdevice1.2、。1。1Tab．1Rawwaterqualityparametersduringtest/NTU/mg·L－1DOC/mg·L－1UV254/cm－1THMFP/μg·L－1HAAFP/μg·L－1/CFU·mL－1/CFU·100mL－115～201．0～2．02．5～4．00．035～0．05960～8535～66102～103105～1061.32100DOCTOCUV254。0．5、24、48h0．1%Na2S2O3。HachDR/2800。UFC72mL、pH86100mL75mL。TOC1．8、2、2．5pH82。20℃24h31．0±0．4mg/L。22.1。16．7NTU·32·．watergasheat．com/2810．1、0．09、0．08NTU99%99．40%、99．46%99．52%。0．1NTU。。2.2。、、。DOCDOC3．55mg/L3．02mg/L14．93%/、/DOC2．35、2．09mg/L33．80%、40．13%。DOC18．87%25．2%、DOC。UV254UV254。UV2542。2UV254Fig．2RemovalefficiencyofUV254inthreeprocesses2UV254/＞/＞。UV254UV254。8。//。2.36．92%。。。1．59mg/L//1．011．0mg/L36．48%、37．11%。9。2.4、99%。1011。0．5～3μm12。。。2.51．0mg/L、。2.5.1。2。0．5h24h2CFU/mL48h15、9、8CFU/mL48h。·42·281．watergasheat．com。2Tab．2Comparisonofcontinuedchlorinedisinfectioneffectinthreeprocesses/CFU·mL－1/CFU·100mL－10．5h24h48h0．5h24h48h1#02150022#0090003#0080022.5.23。31．0mg/LFig．3Chlorinedecayconditionafteradding1．0mg/Linthreeprocesses。＞/＞/。、//。48h、/、/0．18、0．21、0．20mg/L。2.5.3、。THMFP、HAAFP4。THMFPHAAFP8454．5μg/L72．3μg/L48．2μg/L13．93%11．96%。//THMFP37．14%36．67%HAAFP50．46%52．48%THMFPHAAFP。JosephHAAFP。HAAFPHAAFPTHMFPTHMFP。4THMFP、HAAFPFig．4ContrastofTHMFPandHAAFPindifferentUFprocesses3①0．1NTU99%。②、、。③。1．0mg/L48hHAAFPTHMFP。1．———J．20073341－6．30·52·．watergasheat．com/2818m3/m2·h。1ChaiChaoYuZhimingShenZhiliangetal．NutrientcharacteristicsintheYangtzeRiverEstuaryandthead-jacentEastChinaSeabeforeandafterimpoundmentoftheThreeGorgesDamJ．SciTotalEnviron2009407164687－4695．2SchoemanJJSteynA．Nitrateremovalwithreverseos-mosisinaruralareainSouthAfricaJ．Desalination2003155115－26．3PeelJWReddyKJSullivanBPetal．Electrocatalyt-icreductionofnitrateinwaterJ．WaterRes200337102512－2519．4LiMiaoFengChuanpingZhangZhenyaetal．Simulta-neousreductionofnitrateandoxidationofby-productsu-singelectrochemicalmethodJ．JHazardMater20091711/3724－730．5ChabaniMAmraneABensmailiA．KineticsofnitratesadsorptiononAmberliteIRA400resinJ．Desalina-tion20072061/3560－567．6MatosCTVelizarovSCrespoJGetal．Simultaneousremovalofperchlorateandnitratefromdrinkingwateru-singtheionexchangemembranebioreactorconceptJ．WaterRes2006402231－240．7SahliMMAAnnouarSMountadarMetal．Nitratere-movalofbrackishundergroundwaterbychemicalad-sorptionandelectrodialysisJ．Desalination20082271/3327－333．8HosseiniSMAtaie-AshtianiBKholghiM．Nitratere-ductionbynano-Fe/CuparticlesinpackedcolumnJ．Desalination20112761/3214－221．9VymazalJ．TheuseconstructedwetlandswithhorizontalsubsurfaceflowforvarioustypesofwastewaterJ．EcolEng20093511－17．10．J．200117348－51．1985－。[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2011－09－26252．J．20112791－4．3．J．2010323149－154．4GuiguiCRouchJCDurand-BourlierLetal．Impactofcoagulationconditionsonthein-linecoagulation/UFprocessfordrinkingwaterproductionJ．Desalination20021471/395－100．5ParkKLeeCHChoiSJetal．EffectoftheremovalofDOMsontheperformanceofacoagulation-UFmembranesystemfordrinkingwaterproductionJ．Desalination20021451/3237－245．6．J．200733121305－1308．7．UFCJ．2006222339－46．8．/J．2010261548－53．9．J．200234360－64．10．M．1993．11．J．20012286－89．12．J．200325452－54．1986－。[e-mail]2011－07－15·03·281．watergasheat．com