Fenton氧化法深度处理甲醛废水张英04d0d3fa52ea551811a687c6

76Vol．7No．620136ChineseJournalofEnvironmentalEngineeringJun．2013Fenton11*2211．2000922．200092FentonFentonCOD150mg/LCOD30%Fe2+H2O2、、、pH、。FentonX703．1A1673-9108201306-2134-05AdvancedtreatmentofformaldehydewastewaterbyFentonoxidationZhangYing1WeiHongbin1LuYiming2ChenLiangcai2LiuXia11．SchoolofEnvironmentalScienceandEngineeringTongjiUniversityShanghai200092China2．ShanghaiZhongyaoEnvironmentalProtectionIndustryCo．Ltd．Shanghai200092ChinaAbstractFentonoxidationwasstudiedinthetreatmentofformaldehydewastewater．TheresultsshowedthatFentonoxidationcouldeffectivelydegradetheorganicmattersinformaldehydewastewater．UndertheoptimalconditiontheremovalrateofCODwasover30%withtheinitialconcentrationofCODbeing150mg/L．Influ-encefactorsincludedtheratiodosageandaddingwayofFe2+andH2O2temperaturepHandreactiontimewithdifferentdegrees．KeywordsFentonoxidationformaldehydewastewaterorganicmattersaffectingfactors10C262131008702012－04－042012－06－051987～。[e-mail]*[e-mail]、1。、、、、2142mg/kg3。、、、、、、、、、、、、、4。5。2。。FentonFe2+H2O2·OH、6。Fenton。11．1COD150mg/L0．1～0．3mg/L。1．2CODpHPHS-3DpH。6Fenton1．3500mL250mLpHFeSO4·7H2OH2O215%NaOHpH10。22．1FentonFe2+/H2O20．5∶1、H2O2300mg/L0．9mL/L30%H2O2、30℃、pH3、2hFentonCOD。CODH2O2CODCOD。2．1．1Fenton氧化法深度处理甲醛废水中COD的效果1FentonCOD。1FentonCODFig．1CODremovalinadvancedtreatmentofformaldehydewastewaterbyFentonoxidationCOD150mg/LFentonCOD100mg/L《》GB8978-1996。2．1．2Fenton氧化法深度处理甲醛废水中甲醛的效果0．1～0．3mg/L。Fenton0．02mg/L。2．2Fenton2．2．1Fe2+/H2O22．1FeSO4·H2OFe2+/H2O2Fenton。21Fe2+/H2O2FentonCODFe2+/H2O22Fe2+/H2O20．2～0．5COD3Fe2+/H2O20．8COD。2Fe2+/H2O2CODFig．2EffectofFe2+/H2O2onCODremovalrateH2O2·OHFe2+/H2O2H2O2·OHFe2+Fenton·OH·OH·OH·OH7。Fe2+/H2O20．5∶1。2．2．2H2O2投加量3H2O2CODFig．3EffectofH2O2dosageonCODremovalrate2．1H2O2Fenton。31FentonCODH2O22H2O2531271500mg/L4．5mL/L30%H2O2COD。H2O2Fenton·OHH2O2·OHH2O28。2．2．3投加方式2．1Fenton。1CODTable1EffectofaddingwaysonCODremovalrateFe2+H2O2COD%11128．82229．33329．24428．522121．93121．24117．131229．61336．21442．71H2O2Fe2+21/2H2O2Fe2+1/2H2O2Fe2+34。11Fe2+H2O21FentonCOD2Fe2+H2O2COD。H2O2Fe2+2CODFe2+、H2O2CODFe2+CODFe2+H2O23CODFe2+、H2O2CODH2O2COD。910①12Fe2+/H2O2Fe2+H2O2Fe3+Fe2+Fenton②12H2O2·OH·OHH2O2·OH·OH。③3·OH。④3Fe2+/H2O2H2O2·OHH2O2。⑤3H2O2Fe2+Fe3+H2O2、·OH。2．2．4反应温度2．1Fenton。41FentonCOD230℃FentonCOD。4CODFig．4EffectoftemperatureonCODremovalrate①Fenton·OHFentonCOD②40℃FentonH2O2O2H2O。H2O2、30℃11。2．2．5初始pH2．1pHFenton。51pHFentonCOD2pH2．5pH2、3、4、563126Fenton5pHCODFig．5EffectofinitialpHonCODremovalrate3pH6COD。Fenton·OHFe2++H2O2→Fe3++OH－+·OH1Fe3++H2O2→Fe2++HO2·+H+21pH·OHpHFeOH3·OHFenton2pHFe3+Fe2+Fenton。pHFentonH2O2、FentonpH312。2．2．6反应时间2．1Fe2+/H2O20．5∶1、0．3∶1、0．2∶1Fenton6FentonCOD7。1Fe2+/H2O2FentonCOD2Fe2+/H2O2CODFe2+/H2O20．51Fenton4hFenton6h3CODCODCODFenton4Fenton2h。Fenton2～4h。31FentonCOD150mg/FentonCOD100mg/L《》GB8978-1996。2Fe2+H2O2、、、pH、Fenton。1．．200922455-58CaoQiu．Advancesinformaldehydewastewatertreatment．PollutionControlTechnology200922455-58inChinese2．73127．20022027-9WuChaofeiWangGangYangBo．Engineeringexperi-mentoftreatmentoftoxicorganicwastewatercontainingformaldehydebycatalyticoxidationprocess．EnvironmentalEngineering20022027-9inChinese3．．200935482-85WangShuliLiBeibeiWuXuehong．Treatmentofwastewatercontainingformaldehydebyvacuummembranedistillation．TechnologyofWaterTreatment200935482-85inChinese4．．20082768-10WangZhihaiWeiHongbinJiaZhiyu．Theprogressontechniquesofformaldehydewastewatertreatment．WaterPurificationTechnology20082768-10inChinese5．．200925186-88WangZhihaiWeiHongbinJiaZhiyu．Activatedsludgeprocessfortreatmentofformaldehydewastewater．ChinaWater＆Wastewater200925186-88inChinese6．Fenton．200524351-53LiuYingyanLiuYongdi．TypesandcharacteristicsofFentonoxidationmethod．WaterPurificationTechnology200524351-53inChinese7．Fenton．200184324-25ChengLihuaHuangJunliWangLi．Propertyandappli-cationinwastewatertreatmentofFenton．ChemicalEngi-neer200184324-25inChinese8．Fenton．201026790-92WangLipingCaiHuaChenYizhongetal．AdvancedtreatmentofprintinganddyeingwastewaterbyFentonrea-gent．ChinaWater＆Wastewater201026790-92inChinese9．FentonMCLR．2005257925-929YuanBaolingChenYipingLiYanbo．Degradationofmicrocystin-LRbyFentoncatalyticoxidation．ActaScienti-aeCircumstantiae2005257925-929inChinese10ChouS．HuangY．H．LeeS．N．etal．Treatmentofhighstrengthhexamine-containingwastewaterbyelectro-Fentonmethod．WaterResearch1999333751-75911．-Fenton．2003246106-111HuChengshengWangGangWuChaofei．Oxidationtreatmentofformaldehyde-containingwastewaterbyelec-tro-Fentonmethod．EnvironmentalScience2003246106-111inChinese12．Fenton．201130628-30RenGuodongWeiHongbinTangXiuhua．Advancedtreatmentofdyeintermediatewastewaterbyfentonreagentoxidationprocess．WaterPurificationTechnology201130628-30inChinese8312