2。、DO、。3.2mm·a-115、44.8%11.5%[1]。。、、、、、、、、[2]。[3]。、、、。、、。DSADimensonallystableanode2060[4-6]。DSA、。、。11.12。。1.2IM6exKClSCEWYL1702×210.5cm×10.5cm×28cmDK-8BKQ-300DE。1.31。1.42660100。。。X703.1A1000-3770(2010)07-0096-0042010-04-222006BAB04B021975-0532-66782723E-mailgxl_ouc@126.com36720107TECHNOLOGYOFWATERTREATMENTVol.36No.7Jul.,2010961.4.1IM6exNaCl(20±2)℃。0.85~1.20V5mV·s-1。1.4.2。5mol·L-1H2SO4(20±2)℃。1.0~1.5V5mV·s-1。1.4.31mol·L-1H2SO4(40±1)℃(1.0±0.05)cm21.0cm22A。。1.4.4650mLCl-Cl2Cl2HClOClO-HClOClO-。[7-8]。20s、20s20s20s310、20、30、40、50mm0.05、0.10A·cm-2。22.1。[9]。。1[10]。。2.2。[11-13]。2。[14]。。2.3、。1Tab.1ComponentofmimeticwatersampleMgCl2Na2SO4CaCl2NaHCO3NaCl/mg·L-1pH6.7~6.91.7mL·L-1。35.06177.6930.625401.508335.690.800.850.900.951.001.051.101.15050100150200/mA/V 1Fig.1TheanodicpolarizationcurveofTi-substrate(Chlorineevolutionpotential)2Fig.2TheanodicpolarizationcurveofTi-substrate(Oxygenevolutionpotential)1.01.11.21.31.41.5050100150200250/mA/V 97[15]。193.5h20h。。2.4H+H2Cl-Cl2。[16]。2。2。11。20s20s20s。20s。21、2[17]。20s。0.5A·cm-230mm。3、、、。。。。、。[1].[J].,2004,24(8):77-78.[2],.[M].:,2003:241-247.[3],./[J].,2005(4):24-27.[4],.[J].,2006,20(4):10-12.[5],.[J].,2006,35(4):485-487.[6],,,.[J].,2005,25(3):63-65.[7],,.[J].,2007,23(2):40-41.20s102030405010203040500.050.050.050.050.050.100.100.100.100.102323232323474747474711.6111.6810.5710.8912.5721.0620.7419.1820.4221.2612.4012.1611.7912.7613.7925.3122.8919.9320.7221.7814.2314.6514.1113.9013.7527.2328.6129.9729.3628.07220sTab.2Residualchlorineconcentrationofdifferentcurrentdensityandelectrodedistance/mm/A·cm-2ρ(Cl-1)/mg·L-1/V36798EFFECTOFNONIONICSURFACTANTONTHESTRUCTUREANDPERFORMANCEOFFIVE-HOLEBLENDHOLLOWFIBERMEMBRANELiYunqin1,2,RongJin1,XiDanli1,LiuYaofang1(1.CollegeofEnvironmentalScienceandEngineering,DonghuaUniversity,Shanghai200051,China;2.CollegeofChemistryandEnvironmentalScience,HenanNormalUniversity,Xinxiang453007,ChinaAbstract:TheeffectofPVP(K30),PEG1000andTween80asadditivesonthestructureandperformanceoffiveholePVDF/PMMA/PVCblendhollowfibermembranewereinvestigated.Itwasfoundthatalltheseadditivescanincreasetheviscosityofcastingsolution.TheapparentviscosityofcastingsolutionincreasesremarkablybytheadditionofsmallamountofthesurfactantsuchasPVP,PEG1000andTween80.EspeciallyPVPimprovesbetterthesolutionproperty.Themembranepreparedwithcastingsolutionwhosesolutemassfractionwas17%andwith6%ofPVPaddedwasconcludedtohavethebestintegratedperformance.Keywords:nonionicsurfactant;five-hole;blendmembrane;performanceSTUDYONREMOVALCHARACTERISTICSOFPAC-UFINTEGRATEDPROCESSFORMCsXieLiangjie1,LiWeiying2,Chenjie3,ChenQing3,DongBingzhi1,2,JiangFuchun4(1.CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China;2.StateKeyLaboratoryofPollutionControlandResourcesReuse,TongjiUniversity,Shanghai200092,China;3.SuzhouCityWaterCompany,Suzhou215002,China;4.SuzhouLitreeUltra-filtrationMembraneTechnologyCo.Ltd.,Suzhou215152,China)Abstract:Aimingatthepollutionofmicrocystinsindrinkingwater,theindividualandintegratedprocessofultrafiltration(UF)andpowderedactivedcarbon(PAC)weresystematicallystudiedontheremovalcharacteristicsformicrocystinsinthispaper.ResultsshowedthattheremovalrateofindividualUFmembraneforthesolubleMCswaslowerthan20%,whilethePACadsorptionwaseffectivetoremoveMCsatadosageof20mg·L-1orhigher,theremovalratecouldattainashighas82.16%;MCswasfailedtodetectedafterthetreatmentofintegratedprocessofPACandUFatadosageof15mg·L-1,whichoperatedstablyandalleviatedmembranefoulingeffectively.Keywords:microcystins;PAC;UF;integratedprocess;removalrateAPPLICATIONOFELECTROCHEMICALTECHNOLOGYINTHEOILFIELDWASTEWATERTREATMENTGaoXueli,ZhangZhikun,XuJia,DuMin,GaoCongjie(CollegeofChemistryandChemicalEngineering,OceanUniversityofChina,Qingdao266100,ChinaAbstract:ElectrochemicalworkstationisusedtomeasurePolarizationcurvetodetermineOxygenevolutionpotentialandChlorineevolutionpotential.Withthecomparisonofoxygenevolutionpotentialchlorineevolutionpotentialandtheservice1ifebetweenTi-substrateTi/Ru-Ir-TaelectrodeandTi-substrateTi/Ru-Irelectrode,itisfoundthattheformerhasstrongercorrosionresistancethanthelatteraccordingtothetest.Becauseresidualchlorineinducesstrongcorrosiontopipelines,weshouldchoosetheappropriatecurrentdensityandelectrodedistancetoreducetheresidualchlorineconcentration.Keywords:oxygenevolutionpotential;chlorineevolutionpotential;service1ife;residualchlorine;currentdensity[8].-[J].,1997,13(2):43-45.[9],.[J].,2009,38(7):1214-1217.[10],,,.[M].5.:,2005:117-119.[11],,,.TiIrO2+Ta2O5[J].,2001,31(6):628-632.[12]Laiyanqing,ZhongShuiping.EffectofdopingBionoxygenevolutionpotentialandcorrosionbehaviorofPb-basedanodeinzincelectrowinning[J].JCentSouthUnivTechno1.,2009,16:236-241.[13].[J].,2004,25(6):38-39.[14].[M].:,1993:191-252.[15],.[J].,2004(5):10-11.[16],,,.[J].,2009,27(4):86-91.[17],,.[J].,1995(4):5-7.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!958399