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当前位置:首页 > 商业/管理/HR > 信息化管理 > 电絮凝净化海水过程中电流效率和总磷去除率的研究张雨山
StudyoncurrentefficiencyandtotalphosphorusremovalrateduringseawaterelectrocoagulationprocessZhangYushan,WangShuxun,WangJing,ZhaoJin,JiangTianxiang(InstituteofSeawaterDesalinationandMultipurposeUtilization,SOA,Tianjin300192,China),,,,(,300192)[]。,,;,80.58%,;,。[];;;[]X703.1[]B[]1005-829X(2010)12-0052-04Abstract:Theironelectrodehasbeenusedforstudyingthechangesofelectriccurrentefficiencyandtotalphos-phorusremovingrateintheprocessoftreatingpollutedseawaterbyelectrocoagulation.Theresultsshowthathighcurrentefficiencyoccursinthisprocess,andtheeffectofcurrentdensityoncurrentefficiencyishigherthantheeffectontheplatespace.Theelectrocoagulationprocesshasverygoodeffectontheremovalefficiencyoftotalphosphorusfromseawater.Thetotalphosphorusremovalratecanreach80.58%,anditincreaseswiththeincreaseofcurrentdensityandextensionofelectrolysistime.Theresidualconcentrationoftotalphosphorusandtheelectriccurrentputupshowfirstclassreactionrelationship,andthekineticequationoftotalphosphorusintheprocessoftreatingseawaterbyelectrocoagulationhasbeenfitted.Keywords:electrocoagulation;phosphorusremoval;kinetics;electriccurrentefficiency3012201012IndustrialWaterTreatmentVol.30No.12Dec.,2010[]“”(2006BA03A08);(K-JBYWF-2010-G12),,(),,。,,。,。。,、〔1〕;,,,〔2〕。(EC)。,、、、,。,,。11.1,30、14、14cm,4L,52——2010-12,30(12),10mm。,100mm×110mm,2mm,83mm。,4cm×5cm,50r/min。,,1。1.2:,,KH2PO4。:2,2、3、5cm,2、4、6、8、10mA/cm2,0、5、10、15、20、30、40min。,。1.3,。,:v=mt=60IMZF(1):v———,mg/min;m———,mg;I———,A;t———,min;M———,55859mg/mol;Z———,2;F———,96485C/mol。。:=×100%(2)22.13mA/cm22。2,,。,2、3、5cm,0.994、1.015、1.036mg/(L·min)。4L,3.976、4.060、4.144mg/min。(1)4.342mg/min(0.25A),(2)2、3、5cm,91.57%、93.50%、95.44%。,,,5cm,,:53——2010-12,30(12)95.44%,。,,,,,,,,,。2.25cm,,,1。1,,。,,,,,,,,。,,,,。,,,,,。,,。,,。2.35cm,3。3,,。,4mA/cm2,15min80.58%,0.357mg/L;30min,86.6%。,,,。6mA/cm24mA/cm2,,4mA/cm2。2.4,,:-lnCtC0=kt(3):Ct———t,mg/L;C0———,mg/L;t———,min;k———,min-1。,2。2,,k,,,4。4,,,,:1/(mA·cm-2)246810/(mg·min-1)2.7345.7248.1628.96812.800/(mg·min-1)2.9535.7318.68411.46314.415/%92.5899.8893.9978.2388.802/(mA·cm-2)(R2)2Ct=C0exp(-0.0838t)0.9804Ct=C0exp(-0.1002t)0.9896Ct=C0exp(-0.1339t)0.9908Ct=C0exp(-0.1586t)0.96554——SynthesisofnewquaternaryphosphoniumsaltanditsindoorbactericidaleffectivenessHeShide1,ZhangZhanmei1,2,FanXing1,WangMei3(1.ChongqingYuandaWaterServiceCo.,Ltd.,Chongqing400060,China;2.SchoolofRiverandOceanEngineering,ChongqingJiaotongUniversity,Chongqing400074,China;3.ChongqingHechuanPowerGenerationCo.,Ltd.,Chongqing400013,China)1,1,2,1,3(1.,400060;2.,400074;3.,400013)[],,,。,。。:360h98%,。[];;[]TQ455.4[]A[]1005-829X(2010)12-0055-03Abstract:Hexadecylalcoholandtrioxymethyleneareusedasrawmaterials,andtheintermediatehexadecylchloromethyletherissynthesizedbyhemiacetalreaction.Then,hexadecylmethoxytriphenylphosphoniumchloridehasbeensynthesizedbyquaternaryphosphoniumreactionwithtriphenylphosphine(TPP).Thebestreactionconditionsaredeterminedbyexperiments.Theeffectofsolventpolarityonthequaternaryphosphoniumreactionisinvestigated.Inthemeantime,thebactericidaleffectiscomparedwithcommonbactericideaccordingtonationalstandard.Testresultsindicatethatthenewquaternaryphosphoniumsaltremainsthesterilizationrateof98%in360h,havinganexcellentbactericidaleffect.Keywords:quaternaryphosphoniumsalt;bactericide;bactericidalrate:-lnCtC0=(0.013x+0.0538)t(4):x———,mA/cm2;t———,min。3(1),。(2),4mA/cm2,15min80.58%,30min,86.6%。(3),,:-lnCtC0=(0.013x+0.0538)t。[][1]MnlkerrinsD,DobsonADW,ColleranE.Parametersaffectingbio-logicalphosphateremovalfromwasterwater[J].EnvironmentInter-national,2004,30(2):249-259.[2],,.[J].,2003,4(6):16-18.[](1962—),2004,,,。:。:022-87898171,E-mail:yushanzhang@hotmail.com。[]2010-07-23()[](2009-010-CQD-KJ-X)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!3012201012IndustrialWaterTreatmentVol.30No.12Dec.,201055——
本文标题:电絮凝净化海水过程中电流效率和总磷去除率的研究张雨山
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