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39920149ENVIＲONMENTALSCIENCEANDMANAGEMENTVol.39No.9Sep．20142014－08－25504350401982－。1674－6139201409－0055－04邱珊，柴一荻，古振澳，杨乐，陈德坤，周桢150090电芬顿法作为一种新型电化学氧化技术，因其强氧化能力以及环境友好的特性引起了国内外的广泛关注。电芬顿反应通过电极产生H2O2和(或)Fe2+，进行一系列反应生成具有强氧化能力的羟基自由基·OH。为了提高电子传递速度，产生更多芬顿试剂，国内外学者研发出不同类型的电芬顿反应器。通过分析电芬顿反应中·OH浓度与有机物浓度间的关系，大多数学者在准一级反应动力学基础上确定了反应常数，然而，目前其应用仍只停留在实验室阶段，电芬顿技术的效率及机理仍需要进一步研究改进。电芬顿;有机物降解;H2O2;废水处理X703．1AＲeviewonＲeactionMechanismofElectro－FentonProcessQiuShanChaiYidiGuZhenaoYangLeChenDekunZhouZhenSchoolofMunicipalandEnvironmentalEngineeringHarbinInstituteofTechnologyHarbin150090ChinaAbstractAsanovelelectrochemicaloxidationprocessElectro－Fentonhasattractedgreatattentionathomeandabroadsinceitsstrongoxidbillityandenvironmentalfriendliness．Electro－FentonprocessgeneratesH2O2andorFe2+onthesurfaceofelectrodesandcreates·OHastrongoxidizerthroughaseriousofreactions．Manyscholarsdeterminedthereactionconstantonthebasisofpseudo－firstorderreactionkineticsbyanalyzingtherelationshipbetweentheconcentrationof·OHandtheconcen-trationoforganicpollutants．HowevertheapplicationsofElectro－Fentonreactionkineticswasstillinlaboratoryscalethereac-tionmechanismandefficiencyofElectro－Fentonprocessstillneededtobefurtherstudiedandpromoted．KeywordsElectro－FentonlorganicmatterdegradationhydrogenperoxidewastewatertreatmentAOPs·OH2.8V。Electro－FentonProcessFe2+H2O2·OH。。2080、、。、。1H2O223。。pH=2～4、pH。H2O2。·55·39920149·Vol.39No.9Sep．20141Fe2+H2O2。·OH1O2H2O22。H2O→·OH+H++e－1O2+2H++2e－→H2O22Fe2+3Fe－2e－→Fe2+3Fe2+H2O2·OH45。Fe3+Fe2+H2O26～9。Fe2++H2O2→Fe3++·OH+OH－4·OH+ＲH→·Ｒ+H2O5Fe3++H2O2→Fe2++·HO2+H+6Fe3++·HO2→Fe2++O2+H+7Fe3++·Ｒ→Fe2++Ｒ+8Fe3++e－→Fe2+9pH＞4Fe3+FeOH3。。2Fe2+H2O21Fe2+H2O2。Fe2+H2O2O22Fe2+H2O23Fe2+H2O2O24H2O2Fe2+Fe3+。。。Kurt0.5LH2O2pH。10minCOD72%1。Ｒosales。H2O2Fe2+2。pHpHB。1Pd/C。H2OH2O2H2O2H2O2H+pH。2H2OOH－－K2SO4pH3。1、。。B。Ti/ＲuO2－IrO2。O2·65·39920149·Vol.39No.9Sep．2014·O2－H2O2·OH4。。。。3E－FentonＲH+·OH→+H2O10·OH·OH。dＲH/dt=KabsＲH·OH11·OHm=1Kapp=Kabs·OH11dＲH/dt=KappＲH1212E－FentonlnＲH0/ＲHt=Kappt13ＲH0ＲHtt。Naimi－17β－。5.12×109mol·L－1·s－15。Pimentel。、、。10－4molFeSO4100%TOC。2.5＜pH＜3.02.62±0.23×109mol·L－1·s－16。OzcanKabs=2.73±0.08×109mol·L－1·s－17。。/Fe3+/H2O2Fe2+/H2O28。ＲosalesB。Ｒ2=0.9835。Preto9。Cruz－GonzálezＲSM95.9%=15mA·cm－2AY－36=80mg·L－1Fe2+=0.3mM=50min10。。YuOＲPDO。OＲPDOH2O2、Fe2+Fe3+。ANNＲ20.95～0.9911。H2O2·OH。·75·39920149·Vol.39No.9Sep．2014、。4。、、。。、、。1KurtUApaydinOGonulluMT．ＲeductionofCODinwastewaterfromanorganizedtanneryindustrialregionbyElectro－FentonprocessJ．JournalofHazardousMaterials20071431－233－40．2ＲosalesEPazosMLongoMAetal．Electro－FentondecolorationofdyesinacontinuousreactorApromisingtech-nologyincoloredwastewatertreatmentJ．ChemicalEngineer-ingJournal20091551－262－67．3YuanSFanYZhangYetal．Pd－CatalyticInSituGenerationofH2O2fromH2andO2ProducedbyWaterElectrol-ysisfortheEfficientElectro－FentonDegradationofＲhodamineBJ．EnvironmentalScience＆Technology201145198514－8520．4LiuWAiZZhangL．Designofaneutralthree－di-mensionalelectro－FentonsystemwithfoamnickelasparticleelectrodesforwastewatertreatmentJ．JournalofHazardousMaterials20122430257－264．5NaimiIBellakhalN．Ｒemovalof17β－EstradiolbyElectro－FentonProcessJ．MaterialsSciences＆Applications2012Dec2012Vol．3Issue128806PimentelMOturanNDezottiMetal．Phenoldegra-dationbyadvancedelectrochemicaloxidationprocesselectro－FentonusingacarbonfeltcathodeJ．AppliedCatalysisB－Environmental2008831－2140－149．7OzcanASahinYKoparalASetal．Degradationofpiclorambytheelectro－FentonprocessJ．JournalofHazard-ousMaterials20081531－2718－727．8ZhangGQYangFLLiuLF．ComparativestudyofFe2+/H2O2andFe3+/H2O2electro－oxidationsystemsinthedegradationofamaranthusinganthraquinone/polypyrrolecom-positefilmmodifiedgraphitecathodeJ．JournalofElectroana-lyticalChemistry20096321－2154－161．9ＲosalesESanrománMAPazosM．Applicationofcentralcompositeface－centereddesignandresponsesurfacemethodologyfortheoptimizationofelectro－Fentondecoloriza-tionofAzureBdyeJ．EnvironmentalScienceandPollutionＲesearch20121951738－1746．10Cruz－GonzalezKTorres－LopezOGarcia－LeonAMetal．Optimizationofelectro－Fenton/BDDprocessforde-colorizationofamodelazodyewastewaterbymeansofresponsesurfacemethodologyJ．Desalination201228663－68．11YuＲFLinCHChenHWetal．Possiblecontrolap-proachesoftheElectro－Fentonprocessfortextilewastewatertreatmentusingon－linemonitoringofDOandOＲPJ．Chemi-calEngineeringJournal2013218341－349．·85·