粉末活性炭超滤膜处理微污染原水试验研究董秉直

:2004-04-19:“”(2002AA601130);(2003BA808A17):(1955-),,,,.E-mail:[e-mail]-董秉直,陈　艳,高乃云,范瑾初(,　200092):-.,.,,,.,,.:;;;;:X506　　　　　　:A　　　　　　　　:0253-374X(2005)06-0777-04TreatmentofMicro-PollutedWaterResourcesbyPowderedActivatedCarbon-UltrafiltrationMembraneDONGBing-zhi,CHENYan,GAONai-yun,FANJin-chu(SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China)Abstract:Thepowderedactivatedcarbon(PAC)-ultrafiltrationmembraneprocesswasusedtotreatmicro-pollutedwaterresources,intermsoftheefficiencyoforganicsremoval,enhancingfluxandeffectofpreventingmembranefromfouling.ItwasfoundthatPACadditionwaseffectiveinenhancingfluxandthatfluxcouldberecoveredbybackwash,suggestingthatPACcanpreventmembranefromfoul-ing.Theprocesscouldremoveorganicsanddisinfectionsby-productions(DBPs)duetoeffectiveremovaloflowermolecularweight(MW)byPAC.Keywords:micro-pollutedwaterresources;ultrafiltrationmembrane;powderedactivatedcarbon;backwash;organicsremoval　　(UF)(MF),,.,.,,,,:.,、(powderedactivat-edcarbon,PAC),.APC,.:APC[1,2].,APC,,,APC[3].33620056()JOURNALOFTONGJIUNIVERSITY(NATURALSCIENCE)Vol.33No.6　Jun.2005-,.1　1.1　,1.1　Tab.1　Waterqualityparametersinexperiment/ntu3.81～6.685.74pH7.58～8.037.70/(mg·L-1)5.494～6.4205.89AUV254/cm-10.098～0.1060.10/(mg·L-1)0.90～1.321.12　　,,,.1,,,.1.2　1.APC,30min,,.,.,,;,,,..1　Fig.1　Schematicdiagramofset-up　　1h,1min,10s.0.1MPa,0.2MPa.,5.841×10-3m2,(PVDF),1.5×105u...1.3　Hach2100N(Hach),254nmAUV254UV755B(3),(totalorganiccarbon,TOC)TOC-VCPH(),(THMFP)HP6890().XL-30ESEM().Mil-liporeYM,30000u,10000u1000u.2　2.1　PAC,,.210mg·L-1.,,.,,.,[4].,,.10mg·L-1,,,.:,.,,.2　(10mg·L-1)Fig.2　EffectofadditionofPAConfluxandbackwash(PAC10mg·L-1)778　　　()33　　　40mg·L-13.3,40mg·L-110mg·L-1,,.,,.3　(40mg·L-1)Fig.3　EffectofPAConfluxandbackwash(PAC40mg·L-1)　　23,,,,.,,,..,“”,[5],,,.,,,,,.,,.2.2　,.4.4,,,TOC,AUV254THMFP5%.5.5,,30000u5%,.,,,.,TOCTHMFP30%.MassoudPirbazariMF-PAC:,TOC,[6].,.5　Fig.5　DistributionofMWorganicsinmicro-po-llutedwaterresource4　Fig.4　EffectofPAConremovaloforganics　　640mg·L-1.,-,1000u,DOC66%31%,50%;AUV25467%48%,30%.4,AUV25420%,DOC30%,,-..6　-(40mg·L-1)Fig.6　DistributionofMWorganicsinPAC-UFtreatedwater(PAC40mg·L-1)2.3　7,.8.8,,,,.9779　6,:-　　10mg·L-1.9,,.,,.Loseph,,,[7].7　Fig.7　Electronmicrographofthevirginmembranesurface8　()Fig.8　Electronmicrographofthemembranesurfaceafterba-ckwash(directfiltration)9　(10mg·L-1)Fig.9　Electronmicrographofmembranesurfaceafterbackwash(PAC10mg·L-1)3　(1),.(2)-..(3),;,,.:[1]　,,.UF[J].,2001,27(2):80-83.　　DONGBing-zhi,CAODa-wen,FANJin-chu.ThecharacteristicsofresistanceinfilteringnaturalrawwaterbyUFprocess[J].TechnologyofWaterTreatment,2001,27(2):80-83.[2]　,,,.UF　　[J].,2001,22(1):37-40.　　DONGBing-zhi,CAODa-wen,FANJin-chu,etal.UltrafiltrationofmicropollutedwaterincombinationwithcoagulationandPACprocess[J].EnvironmentalScience,2001,22(1):37-40.[3]　TomaszewskaM,MoziaS.RemovaloforganicmatterfromwaterbyPAC/UFsystem[J].WaterResearch,2002,36:4137-4143.[4]　AWWAMembraneTechologyResearchCommittee.Membraneprocessesinpotablewatertreatment[J].JourofAWWA,1992,84(4):59-67.[5]　,,.-[J].,2003,22(11):731-737.　　DONGBing-zhi,CAODa-wen,FANJin-chu.StudyonPAC-Ul-trafiltrationmembraneprocessfortreatmentofHuangpuRiversourcewater[J].ShanghaiEnvironmentalSciences,2003,22(11):731-737.[6]　PirbazariM,BadriyhaBN,RavindranV,etal.MF-PACfortreat-ingwaterscontaminatedwithnaturalandsyntheticorganics[J].JourofAWWA,1992,84(2):95-103.[7]　JacangeloLG,JaineJM,CummingsEW,etal.UFwithpre-treatmentforremovingDBPprecursors[J].JourofAWWA,1995,87(3):100-112.(编辑:王东方)780　　　()33