粉末活性炭超滤膜工艺净化松花江水夏圣骥

(自然科学版)356JournalofSouthChinaUniversityofTechnologyVo.l35　No.620076(NaturalScienceEdition)June　2007文章编号:1000-565X(2007)06-0133-04　　收稿日期:2006-04-12*基金项目:“863”(2002AA601140)　作者简介:(1978-),,,,.E-mail:[e-mail]粉末活性炭-超滤膜工艺净化松花江水*夏圣骥1　徐　斌1　姚娟娟1　李圭白2(1.,200092;2.,150090)摘　要:为了研究超滤(UF)技术对地表水的处理效果,建造了一座120吨/天的中试规模的膜处理水厂.以松花江水为水源,用粉末活性炭(PAC)吸附作为超滤的预处理工艺,组成了PAC-UF系统.结果表明:PAC-UF工艺的出水浊度在0.15NTU左右,而且不受进水浊度的影响;原水不经过PAC吸附直接超滤时,膜出水有机物浓度和膜进水有机物浓度存在线性关系;UF对UV254的平均去除率在10%左右,对溶解性有机碳(DOC)的平均去除率在8%左右;加入PAC吸附后对有机物的去除有明显提高.关键词:地表水;水处理;超滤膜;浊度;有机物中图分类号:TQ028　　　　文献标识码:A　　,、、.,.,,、(NOM)(SOC)[1].,(PAC)(UF)PAC-UF[2-3].PAC-UFPACUF[4].,.UFPAC,PAC,UF.、、、.UFPAC,,.PAC-UF,PAC,[5].,PAC-UF.1　试验装置及试验方法1.1　试验材料及装置,1.PAC,1.:(1),WQD7-8-0.44;(2),ISG-32-160;(3),102A;,MC-1000L;,MC-40L.,PT-500L;,2.1　Fig.1　Processflowchartofthesystem1　Table1　Parametersofpowderedactivatedcarbon1)/(mgg-1)1000/%10.0/%10/(gmL-1)0.48/%99.0/%1.9　　　　1)(mg).2　Table2　ParametersofmembranemodulePVC/mm1200/mm250/m248M/Pa0.5M/Pa0.2M/Pa0.05～0.20/℃40/℃0pH2～13800001.2　试验方法,PAC,,.YUF.:,.,..1A、BC,、.PAC,PAC.2　结果和讨论2.1　PAC-UF系统对浊度的去除PAC-UF.PAC-UF0.15NTU,.2PAC,,200574、8131124,37、9712NTU,、,,PAC.2PAC,50mg/LPAC,,30.12、0.150.21NTU.-,.,[6].813,.UF,PAC-UF,UF[7-9].,,、.,.UF.,UF,.,UF,.2　PAC-UFFig.2　TurbidityreductionwithPAC-ultrafiltrationsystem2.2　PAC-UF系统对有机物的去除.,,,.,,、、,,、、、、、,.PAC-UF,PAC,PAC.3134(自然科学版)35PAC、,UFUV254,UV254UV254.0.9023,UFUV25410%.UV254,UV254.UFDOC,PAC,DOC8%.UF,,[10].3　UV254Fig.3　ComparisonofUV254betweenrawwaterandpermeatedwaterwithdirectultrafiltration　　4PAC-UFUV254.,UV2540.098～0.184cm-1,PAC,UV2540.038～0.053cm-1.PAC-UFUV25459%～71%;,UV254,UV254.34,UV25410%PAC-UF63%.,PAC-UF,PAC,53%.4　PAC-UFUV254Fig.4　ComparisonofUV254betweenrawwaterandpermeatedwaterinPAC-UFsystem　　5PAC-UFPAC.,PAC,.PAC-UF,,,,,.,,.5　PAC-UFFig.5　RemovalsoforganicmattersinPAC-UFsystem3　结论,PACUFPAC-UF.:(1)PAC-UF0.15NTU,,PAC,UF;(2)PAC,.UFUV25410%,DOC8%;(3)PAC-UF.参考文献:[1]　,,,.[J].:,2003,31(3):36-39.ChenSan,CaiMiao-yan,GuoSi-yuan,eta.lConcentrationpolarizationratiomodelofultrafiltrationinelectricfield[J].JournalofSouthChinaUniversityofTechnology:NaturalScienceEdition,2003,31(3):36-39.135　6:-[2]　LinCF,LiuSH,HaoOJ.EffectoffunctionalgroupsofhumicsubstancesonUFperformance[J].WaterRe-search,2001,35:2395-2402.[3]　KoniecznyK,KlomfasG.Usingactivatedcarbontoim-provenaturalwatertreatmentbyporousmembranes[J].Desalination,2002,147:109-116.[4]　LaineJM,ClarkMM,Mallevialle.Ultrafiltrationoflakewater:effectofpartitioningoforganics,THMFP.andflux[J].JournalofAmericanWaterWorksAssociation,1990,82(12):82-87.[5]　,,,.-[J].:,2005,33(6):777-780.DongBing-zhi,ChenYan,GaoNai-yun,eta.lTreatmentofmicro-pollutedwaterresourcesbypowderedactivatedcarbon-ultrafiltrationmembrane[J].JournalofTongjiUniversity:NaturalScience,2005,33(6):777-780.[6]　.[D].:,2005:84-89.[7]　CamposC,MarinÂBJ,SnoeyinkVL,eta.lPowderedac-tivatedcarbon-membraneultrafiltrationprocess:modelde-velopment[J].JournalofEnvironmentalEngineering,2000,126(2):97-103.[8]　CamposC,MarinÂBJm,SnoeyinkVL,eta.lPowderedactivatedcarbon-membraneultrafiltrationprocess:modelveriificationandapplication[J].JournalofEnvironmen-talEngineering,2000,126(2):104-111.[9]　ChangYJ,ChooKH,BenjaminMM,eta.lCombinedadsorption-UFprocessincreasesTOCremoval[J].Jour-nalofAmericanWaterWorksAssociation,1998,90(5):90-102.[10]　CrozesG,AnselmeC,MallevialleJ.Effectofadsorptionoforganicmatterinfoulingofultrafiltrationmembranes[J].JournalofMembraneScience,1993,84:61-77.WaterTreatmentofSonghuaRiverbyPAC-UltrafiltrationXiaSheng-ji1　XuBin1　YaoJuan-juan1　LiGui-bai2(1.StateKeyLaboratoryofPollutionControlandResourcesReuse,TongjiUniversity,Shanghai200092,China;2.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,Heilongjiang,China)Abstract:Inordertorevealtheefficiencyofultrafiltration(UF)processtothetreatmentofsurfacewater,awatertreatmentpilot-plantwithacapacityof120t/dwassetup.Inthisplant,thewaterintheSonghuaRiverwasusedastherawwater,andpowderedactivatedcarbon(PAC)absorptionwasperformedtopre-treatthewaterbeforetheultrafiltration,thusformingaPAC-UFsystem.Theresultsshowthat(1)independentupontheturbidityoftherawwater,theturbidityofmembranepermeationisonly0.15NTU;(2)aftertheultrafiltrationwithoutPACpretreat-ment,theorganicconcentrationofultrafiltratedpermeationpresentsalinearcorrelationwiththatoftherawwater,andtheaverageremovalsofUV254anddissolvedorganiccarbon(DOC)reach10%and8%,respectively;and(3)theadditionofPACobviouslyimprovestheremovaloforganicmatters.Keywords:surfacewater;watertreatment;ultrafiltrationmembrane;turbidity;organicmatter136(自然科学版)35