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当前位置:首页 > 商业/管理/HR > 企业文化 > 附加电场超滤膜去除水中有机污染物的研究张瑞金
,,,(,200092)[],:,,,,。4-MBC。,4-MBC,4-MBC。[];;;3-(4’-)-d-1-[]X52[]A[]1005-829X(2012)04-0024-05Studyontheremovaloforganicpollutantsfromwaterbyelectro-ultrafiltrationZhangRuijin,ChenXin,DengHuiping,ZhangChong(KeyLaboratoryofYangtzeRiverWaterEnvironment,SectionofEducation,TongjiUniversity,Shanghai200092,China)Abstract:Theremovingperformanceoforganicpollutantsfromwaterbyelectro-ultrafiltrationhasbeenstudied.Theresultsshowthatthemotiontowardsmembranesurfaceislessenedsinceelectrophoreticmigrationoccursinelectricfieldtothehumicacidinrawwater.Atthesametime,sinceaggregationoccurs,depositsonthemembranesurface,andformsloosefiltercakelayer,membranefoulingslowsdowneffectively.Theaddingofelectricfieldcangreatlyin-creasetheremovingratesofhumicacidand4-MBC.And,itisfoundthatadsorptionplaysasignificantroleinre-movingthesmallmolecular4-MBCwithlarge-poredlow-pressuremembranes.Theexistenceofhumicacidinwaterhassignificantpromotioneffectontheremovalofthe4-MBCbyultrafiltration.Keywords:electricfield;ultrafiltration;organicpollutants;3-(4’-methylbenzylidene)-d-1-camphor[](2008ZX07425-007)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![J].,2009,40(9):1429-1431.[5],,,.SiO2-TiO2[J].,2005,22(9):984-988.[6]XuYulan,ZhongDengjie,JiaJinping.Electrochemical-assistedphotodegradationofalluraredandtextileeffluentusingahalfexposedrotatingTiO2/Tidiscelectrode[J].Environ.Sci.Health:PartA,2008,43(5):503-510.[7]XuYulan,ZhongDengjie,JiaJinping,etal.Enhanceddyewastewaterdegradationefficiencyusingaflowingaqueousfilmphotoelectroc-atalyticreactor[J].Environ.Sci.Health:PartA,2008,43(10):1214-1222.[8]XuYulan,JiaJinping,ZhongDengjie,etal.Degradationofdyewastewaterinathin-filmphotoelectrocatalytic(PEC)reactorwithslant-placedTiO2/Tianode[J].Chem.Eng.J.,2009,150(2/3):302-307.[9]XuYulan,HeYi,CaoXinde,etal.TiO2/Tirotatingdiskphotoelect-rocatalytic(PEC)reactor:acombinationofhighlyeffectivethinfilmPECandconventionalPECprocessonasingleelectrode[J].Environ.Sci.Technol.,2008,42(7):2612-2617.[10]HitchmanML,TianFang.StudiesofTiO2thinfilmspreparedbychemicalvapourdepositionforphotocatalyticandphotoelectrocat-alyticdegradationof4-chlorophenol[J].JournalofElectroanaly-ticalChemistry,2002,536/537:164-172.[11]LiJiaqing,LiLuoping,ZhengLei.PhotoelectrocatalyticdegradationofRhodamineBusingTi/TiO2electrodepreparedbylasercalcinationmethod[J].ElectrochimicaActa,2006,51(23):4942-4949.———————————[](1971—),2009,,。:、。:13983165192,E-mail:xuyunlan@cqut.edu.cn。[]2012-02-05()32420124IndustrialWaterTreatmentVol.32No.4Apr.,201224,。(PPCPs),、、、、、、〔1-5〕。、,。,。,。,“2021”。,,。〔6-8〕。,,,,()。3-(4’-)-d-1-(4-MBC),,,PPCPs。11.1,,CNW;、,,;,,;,Sigma-Aldrich;4-MBC,98%,Sigma-Aldrich。Millipore。1.21。(PVDF),0.01937m2,0.08~0.10μm,ABS;,,,,。(),0~60.0V,(),(UW-6200H,)。(BT100-2J,),(DKB-1615,),。1—;2—;3—;4—;5—;6—;7—;8—;9—。11.34-MBC,(UV2550,)308nm,。4-MBC0~4mg/L,,y=0.0927x+0.0056,R2=0.9988。4-MBC,(HPLC1200,Agilent)。:(DAD);:308nm;C18(250mm×4.6mm,CNW);:1.0mL/min;:10μL;:/(1∶4)。,。(pH/cond340i,WTW)pH。1.4,4-MBC0.1g100mL,,1g/L,4℃。,,4-MBC4mg/L。2.0g10mL2012-04,32(4),:25(2mol/L),。2000mL。24h,,4℃,1g/L。,400mL,10L,NaOHHClpH6.5~7.5(),。UV2541.12cm-1,20℃52μS/cm。1.5。(1)〔9〕。J=ΔPμ(Rm+Rc+Ri+Rn)(1):J———,m/s;ΔP———,Pa;μ———,Pa·s;Rm———,m-1;Rc———,m-1;Ri———,m-1;Rn———,m-1。,。pH=12NaOH15min,pH=2HCl15min,5min,,。,。:20min,、,Rm。:140min,Rt,Rm+Rc+Ri+Rn。:20min。,Ri,、Rm+Rc+Rn。:,20min,。RcRi,Rm+Rn。4,。2(DOM)〔10〕。(NOM)。DOM,DOM4-MBC。4,1(0A-HA),4mg/L4-MBC,4-MBC;2(0A+HA),,DOM4-MBC;3(0.1A+HA),,NaCl,252μS/cm,,0.1A;4(1A+HA),,NaCl,962μS/cm,,1A。,。,pH=12NaOH15min,pH=2HCl15min,5min,。2.14,4-MBC2。24-MBC24-MBC,。2.1.1:();();()。1,,4-MBC,,。,〔11-12〕。PVDF,PVDF、、、;2012-04,32(4)26,〔13〕;、,,。4-MBC/(4.95),。2.1.24-MBC2,4-MBC,80%~88%。、、,4-MBC,4-MBC,4-MBC,。,,,。。K.M.Agbekodo〔14〕(NOM),NOM0.4mg/L3.6mg/L,50%90%~100%。2.1.34-MBC4-MBC80%~88%,,。,,4-MBC,,32。,41A,,4-MBC,100~120min,4-MBC,100%。,,,,4-MBC。,。2.1.4UV254UV254,3。,,4-MBC,UV254。0.1A1A,1A,,,,。,。3UV2542.2,4,1。11,1,4-MBC,,,,RnRi。,,。,,0、0.1、1A,Rm、Rn、Ri、Rc、Rt。,HCl、NaOH,,。2.2.1。,,,,,〔6〕。2.2.2,—COOH、—OH,。,/m-1RmRnRiRcRt0A-HA8.37×10118.23×10106.74×101009.86×10110A+HA7.92×10112.18×10117.34×10111.10×10122.85×10120.1A+HA7.61×10111.97×10114.46×10119.97×10112.40×10121A+HA7.57×10111.83×10118.15×10109.58×10111.98×10122012-04,32(4),:27,。。,,;,,〔15〕。,,,,〔16〕。,,。2.3,,,。,,。,,。3(1),;(DOM),4-MBC;,,。(2),、、,,。(3)(4-MBC)UV254。[][1],,,.[J].,2009,21(2/3):389-398.[2],,.(PPCPs)[J].,2005,14(6):947-952.[3],,,.[J].:,2009,49(3):369-373.[4]JonesOAH,VoulvoulisN,LesterJN.Aquaticenvironmentalassessmentofthetop25Englishprescriptionpharmaceuticals[J].WaterResearch,2002,36(20):5013-5022.[5]BoydGR,ReemtsmaH,GrimmDA,etal.Pharmaceuticalsandpersonalcareproducts(PPCPs)insurfaceandtreatedwatersofLouisiana,USAandOntario,Canada[J].TheScienceoftheTotalEnvironment,2003,311(1/2/3):135-149.[6]WengYH,LinHC,LeeHH,etal.Removalofarsenicandhumicsubstances(HSs)byelectro-ultrafiltration(EUF)[J].JournalofHazardousMaterials,2005,122(1/2):171-176.[7]WengYH,LiKC,Chaung-HsiehLH,etal.Removalofhumicsubstances(HS)fromwaterbyelectro-microfiltration(EMF)[J].WaterResearch,2006,40(9):1783-1794.[8]WeberK,StahlW.Improve
本文标题:附加电场超滤膜去除水中有机污染物的研究张瑞金
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