不同类型填料的三维电极Fenton试剂法处理苯酚废水

:,,1976,,*(No.2005344);(No.HJ200703)不同类型填料的三维电极/Fenton试剂法处理苯酚废水*班福忱1,2刘炯天1程琳2张佩泽2(1.,110004;2.,110168)/Fenton,,,5.0mm;,;;1B2,,96.8%FentonEffectofpackingmaterialon3-Delectro-FentontreatmentofphenolwastewaterBanFuchen1,2,LiuJiongtian1,ChengLin2,ZhangPeize2.(1.SchoolofResources&CivilEngineering,NortheasternUniversity,ShenyangLiao-ning110004;2.SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,ShengyangLiaoning110168)Abstract:Seriesofbatch3-Delectro-Fentonoxidationexperimentswereperformedtodeterminetheeffectsofsizeandcompositionofpackingmaterialonthephenolremovalrate.Theresultsillustratedtheimportanteffectofsizeofactivatedcarbononthephenolremovalrate;thebesttreatmentwasachievedemployinglargecylindricalactivatedcarbon(5.0mmdiameter)andthatthesmall0.5mmgranulecarbonwastheleasteffective.Employingquartzsand,aspartialreplacementofactivatedcarbon,reducedtheshortcircuitinglossandimprovedthetreatmenteffectiveness;however,theenhancementwaslimitedduetogravitysettlementoftheheaviersand.Thereplacementbytheacetatefibercoatedactivatedcarbonachievedamuchbetterenhancementofupto96.8%ofphenolremoval.Keywords:3-Delectrode;Fentonreagent;phenol;quartzsand;acetatefibercoatedactivatedcarbon,,[1-5]/FentonFenton,,#OHFenton#OH,,,,,/Fenton,,,,,,,11.1试验装置25cm@20cm@25cm,10L,,15cm@15cm,,15cm@15cm1mm,,,H2O2#24#31420094;,11Fig.1Schematicdiagramoftheexperimentalsystem1);2);3);4);5);6);7);8);9);10)1.2试验机制,,,#OH,H2O2,(1)O2+2H++2eyH2O2(1),Fe2+,Fenton,(2)Fe2++H2O2y#OH+OH-+Fe3+(2)Fe3+O2,Fe3+O2Fe2+,(3)Fe3++eyFe2+(3)Fenton#OH2.8V,#OH[6]1.3水样及检测方法,300mg/L4-[7]1.4活性炭填料试验前预处理(0.5mm),,,,,,1.5涂膜活性炭制备(5.0mm,1.2),,,105e,:(1)2~4g100mL85%,,,50g,30min,,;(2),,,,1.6试验方法300mg/L10L,Na2SO41g/LpH3.060min300L/hFe2+1mmol/L10cm12V22.1不同类型活性炭填料对苯酚去除的影响,22Fig.2Effectofsizeofactivatedcarbononphenolremoval2,,0.5mm,43.2%,,,,/Fenton,#25#/Fenton,,5.0mm,,93.3%7.0mm,,,,2.2投加石英砂对苯酚去除的影响/Fenton,[8],,5.0mm(1.2)333g,3.0mm167g,,33Fig.3Effectsofquartzsandreplacementandtreatmenttimeonphenolremoval3,2.0%,,,,[9],/Fenton10min,5.3%60min,95.3%,93.2%,2.1%,,,,,,,,,,,,,,,,,,,,,,,2.3涂膜活性炭与活性炭体积比对苯酚去除的影响,,,,,,,,,,,,5.0mm,44Fig.4Effectofacetatemembranecoatingofactivatedcarbononphenolremoval4,90%;,;1B2,96.8%,,,,,,,,,#26#31420094,,,,,,,,,,,1B23(1)/Fenton,5.0mm93.3%,(2),,,1B2,,96.8%:[1]BANDARAJ,MIELCZARSKIA,LOPEZA,etal.Sensitizeddegradationofchlorophenolsonironoxidesinducedbyvisiblelightcomparisonwithtitaniumoxide[J].AppliedCatalysisB:Environmental,2001,34(4):321-333.[2]XIONGYa,HEChun,KARLSSONHT,etal.Performanceofthree-phasethree-dimensionalelectrodereactorforthereduc-tionofCODinsimulatedwastewater-containingphenol[J].Chemosphere,2003,50(1):131-136.[3]FOCKEDEYE,VANLIERDEA.Couplingofanodicandcathodicreactionsforphenolelectro-oxidationusingthree-dimensionalelec-trodes[J].WaterResearch,2002,36(16):4169-4175.[4]GANDINID,MAHEE,MICHAUDPA,eta1.Oxidationofcarboxylicacidsatborondopeddiamandelectrodesforwastewatertreatment[J].Appl.Electrochem.,2000,30(5):1345-1350.[5],,.[J].,2006,20(3):61-62.[6],,.[J].,2004,17(4):6-8.[7]56.[M].4.:,2002.[8],,,.[J].,2004,24(10):56-59.[9]ZHOUDing,CAIWeimin,WANGQunhui.Astudyontheuseofbipolar-particles-electrodesindecolorizationofdyeingefflu-entsanditsprinciple[J].WaterScienceTechnology,1986,19(3/4):391-400.责任编辑:陈泽军(:2008-12-10)(上接第13页)(2),,,(3),,,;,,,,:[1],,.[J].,2004,24(6):356-363.[2]MORRISCE,STORMONTJC.CapillarybarriersandsubtitleDcovers:estimatingequivalency[J].JournalofEnvironmentalEngineering,1997,123(1):3-10.[3]INDREKP.Hydrologicbehavioroftwoengineeredbarriersfollowingextremewetting[J].JournalEnvironmentalQuality,2001,30(2):655-667.[4]AUBERTINM,CIFUENTESE,MARTINV,etal.Aninves-tigationoffactorsthatinfluencethewaterdiversioncapacityofinclinedcoverswithcapillarybarriereffects[J].UnsaturatedSoils,2006(2):613-624.[5]SMESRUDJK,SELKERJS.Effectofsoi-lparticlesizecontrastoncapillarybarrierperformance[J].JournalofGeotechnicalandGeo-environmentalEngineering,2001,127(10):885-888.[6]WALTERMT,KIMJS,STEENHUISTS,etal.Funneledflowmechanismsinaslopinglayeredsoil:laboratoryinvestigation[J].WaterResourcesResearch,2000,36(4):841-849.[7]YANGH,RAHARDJOH,LEONGEC,etal.Astudyofinfil-trationonthreesandcapillarybarriers[J].Can.Geotech.J.,2004,41(4):629-643.[8]STORMONTJC,MORRISCE.Methodtoestimatewaterstoragecapacityofcapillarybarriers[J].JournalofGeotechn-icalandGeoenvironmentalEngineering,1998,124(4):297-302.[9]STORMONTJC,ANDERSONCE.Capillarybarriereffectfromunderlyingcoarsesoillayer[J].JournalofGeotechnicalandGeoenvironmentalEngineering,1999,125(8):641-648.[10],,,.[J].,2003,23(1):8-13.[11],,,.[J].,2003,23(1).[12],,,.[J].,2007,29(12):938-940.[13],,,.VanGenuchten[J].,2004,24(6):973-975.[14]VANGENUCHTENMT.Aclosed-formequationforpredic-tingthehydraulicconductivityofunsaturatedsoils[J].SoilScienceSocialofAmericanJournal,1980,44(5):892-898.责任编辑:贺锋萍(:2008-12-29)#27#/Fenton