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PilotstudyofultrafiltrationforwastewaterreuseSongJina1,WangXiaochang2,PeiHuimin3,YangJing1(1.SchoolofUrbanConstruction,HebeiUniversityofEngineering,Handan056002,China;2.SchoolofEnvironmentalandMunicipalEngineering,Xi’anUniversityofArchitectureandTechnology,Xi’an710055,China;3.TownAdministrationofHandanCounty,Handan056001,China)1,2,3,1(1.,056002;2.,710055;3.,056001)[]。,,、TOC、UV254,,。[];;;[]X703.1[]A[]1005-829X(2009)01-0043-03Abstract:Theultrafiltration(UF)membraneunithasbeenusedfortreatingwastewateratawasewatertreatmentplant.ThepilotstudyshowsthatUFhasveryeffectiveperformancesforremovingturbidityandthetotalbacteriaandcoliformbacteriafromthesecondaryeffluenttoobtainhighqualityfiltrateforwastewaterrecycle.ButUFisnotveryeffectiveintheremovalofdissolvedsubstancessuchaschroma,UV254andTOC.Theremovalefficiencyandpermeatefluxcanbeimprovedbyconductingpowderactivecarbonadsorptionpretreatmentandcoagulation.Thebackwashisessentialtoobtainahigherpermeateflux.Keywords:ultrafiltration;wastewaterrecycle;powderactivecarbon;coagulation,,。:、、、。〔1〕,。,、。。11.1,1。1.21。/NTU4~20pH7.0~7.9/CU25~35CODCr/(mg·L-1)10.8~41.2UV254/cm-10.106~0.163BOD5/(mg·L-1)6.0~12.0/mL-130000NH3-N/(mg·L-1)0.7~2.0/mL-1600DOC/(mg·L-1)4.25~9.43129120091IndustrialWaterTreatmentVol.29No.1Jan.,2009143:(PAN);;3×104D;2.76m2;500L/h;。(PLC)、。1/3,。1.31.3.1:420nm;:SZD-2;TOC:TOC-5050A;UV254:254nm。1.3.2。1.41.4.1,80mg/L。,,1min。1.4.230min(25mg/L),15min。1.5(TMP)Tutujian:Ptm=(Pi+Po)/2-Pp:Ptm———;Pi———;Po———;Pp———。,。TMP,(/TMP)〔2〕;,,,,。2,2。2,。20min、3min,。3~8。20min+3min/(L·min-1)3210100200300400500/min2632.52.01.51.00.5020406080100120/h/NTU—◆——▲—4TOC129630TOC/(mg·L-1)20406080100120/h—◆——▲—0.200.160.130.080.04020406080100/hUV254/cm-1—◆——▲—5UV25460453015020406080100120/h/CU—◆——▲—2009-01,29(1)443~8、,。、TOCUV254,。,。9。9,、TOCUV254,。UV254、TOC13.5%、33.1%51.4%,UV254、TOC,33.1%、48.8%80.0%。,90%99.9%。103×104D、PAN。10,,。HPLC,〔3〕,〔4〕。,,、。33×104DPAN,、。、UV254TOC,,。,:20min,3min。[][1]TanselB,BaoWY,TanselIN.Characterizationoffoulingkinet-icsinultrafiltrationsystemsbyresistancesinseriesmodel[J].De-salination,2000,129(1):7-14.[2]HongS,FaibishRS,ElimelechM.Kineticsofpermeatefluxde-clineincrossflowmembranefiltrationofcolloidalsuspensions[J].J.Colloid&InterfaceScience,1997,196(2):267-277.[3]OwenDM,AmyDL,ChowdhuryZK.NOMcharacterizationandtreatability[J].JAWWA,1995,87(1):46-63.[4]CamelV,BermondA.Theuseofozoneandassociatedoxidationprocessesindrinkingwatertreatment[J].WaterResearch,1998,32(11):3208-3222.100806040200UV254TOC/%UF+UF+UF910080604020020040060080010001200/minUF/%10[](1980—),2005,。:13932055094,E-mail:songjina@126.com。[]2008-08-05()100000100001000100101040557080100/h/mL-1—◆——▲—/h1000010001001011040557080100×102/mL-18—◆—7,:2009-01,29(1)45
本文标题:超滤污水回用试验研究宋吉娜
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