高级氧化技术在垃圾渗滤液深度处理中的应用吴晴

。。、、[1]。。、、。AdvancedOxidationProcessesAOPs、、[2]。Fenton、、33COD。11.1COD1400～1700mg/L。1.2FentonFeSO4·7H2OH2O230%HJ-6A1+52mol/L。RD-60501.5LJB-3A。O3CF-G-3-010G10g/h。O3CODCTL-12pHHQ40dpH。1.320℃。Fenton500mLpHFeSO4·7H2O40mmol/L30%H2O212222221.7300702.101102Fenton、、33COD。3Fenton、、COD73%、58%75%。、、、、3。X783A1000-3770(2016)[e-mail]@126.com4210201610Vol.42No.10Oct.,2016DOI:10.16796/j.cnki.1000-3770.2016.10.02511060minpH82hCOD。1.5L90min15min。O35min。0.45m0.9L5.5cm0.7LKI。15.26mg/min2h10minCOD。1。22.1FentonH2O2、FeSO4·7H2O、pH。2.1.1H2O2pH=3、FeSO4·7H2O10mmol/L、60minH2O2COD2。2H2O2CODH2O240mmol/LCOD73%H2O2COD。FentonH2O240mmol/L。2.1.2FeSO4·7H2OpH=3、H2O240mmol/L、60minFeSO4·7H2OCOD3。3FeSO4·7H2OCODFeSO4·7H2O10mmol/LCOD73%。FeSO4·7H2OCOD。FentonFeSO4·7H2O10mmol/L。2.1.3pHH2O240mmol/L、FeSO4·7H2O10mmol/L、60minpH2～7pHCOD4。1Fig.1Schematicdiagramofozoneoxidationreactionsetup

 2H2O2CODFig.2EffectofdosagesofH2O2onCODremovalefficiency010203040506070809050556065707580COD
%HO
mmolL3FeSO4·7H2OCODFig.3EffectofdosagesofH2O2onCODremovalefficiency05101520253030405060708090COD
%FeSO7HO
mmolL4pHCODFig.4EffectofinitialpHonCODremovalefficiency12345678304050607080COD
%pH1114pH3COD。pH·OHpHFe2+·OHpH·OHH2O2pH3[3]。pH3。2.1.4FeSO4·7H2O10mmol/L、H2O240mmol/L、pH3、30～180min、pH8COD5。560minCOD73%60min。FentonFeSO4·7H2O10mmol/L、H2O240mmol/L、pH3、60minCOD73%。2.2、、COD。2.2.120mA/cm21.5LCOD6。6COD1cmCODCOD36%。CODCOD[4]。1cm1cm。2.2.21cm1.5LCOD7。71cmCOD[5]。40mA/cm2COD58%40mA/cm2。2.2.340mA/cm2、1cm1.5LCOD8。8COD。90minCOD58%90minCOD6CODFig.6EffectofelectrodedistanceCODremovalefficiency0204060801000510152025303540COD
%min7CODFig.7EffectofcurrentdensityonCODremovalefficiency020406080100010203040506070COD
%min5CODFig.5EffectofdifferentoxidationtimesonCODremovalefficiency04080120160200020406080COD
%min421011290min。40mA/cm2、1cm、90minCOD58%。2.3O3O32O3O3[6]。pH[7]。pH8.72。15.26mg/minCOD9。9COD。90minCOD75%。90minCOD90min。15.26mg/min、90minCOD75%。2.4313。Fenton。。。3Fenton、3COD3COD73%、58%75%。3、。[1].[J].,2010,36:11-16.[2],.[J].,2014,32(5):30-33.[3],,,.Fenton[J].,2015,35(4):14-17,24.[4],,,./FentonCOD[J].,2008,24(19):87-90,94.[5],,,.[J].,2005,31(5):73-75,86.[6],,,.·OH[J].,2001,21(12):16-20.[7],.[J].,2013,32(3):5-7.13Tab.1ComparisonamongthreeadvancedoxidationprocessesFentonCOD020406080100120020406080100COD
%min9CODFig.9EffectofozoneonCODremovalefficiency8CODFig.8EffectofelectrolytictimeonCODremovalefficiency04080120160200010203040506070COD
%min120113ApplicationofAdvancedOxidationProcessesintheTreatmentofBiochemicalEffluentofLandfillLeachateWuQing1,2,ZhangJingzhi2,WangKai2,LiuJinquan2,XingLinlin2,HeYuan2（1.LanzhouJiaotongUniversity,Lanzhou730070,China;2.SoundGroupLimitedCompany,Beijing101102,China）Abstract:Fenton,electro-catalyticoxidationandozoneoxidationwereusedintheadvancedtreatmentofbiochemicaleffluentoflandfillleachate.TheremovaleffectofCODandinfluencingfactorswereinvestigated.TheresultsshowedthatthegreatestremovalrateofCODofbiochemicaleffluentoflandfillleachatereached73%,58%and75%treatedbythreekindsofadvancedoxidationtechnologyincludingFenton,electro-catalyticoxidationandozoneoxidation.Ozoneoxidationwasdeterminedastheoptimalprocessbycomparingfromtheaspectsofthetreatmentresults,treatmentcosts,difficultylevelofoperation,withorwithoutsecondarypollution,engineeringapplicationfeasibility.Keywords：advancedoxidationprocesses(AOPs);landfillleachate;applicationTheOperationEfficiencyResearchontheImprovedOxidationDitchShiXiaochun（LiaoningAcademyofEnvironmentalScience,Liaoning110161,China）Abstract:ThemodifiedoxidationditchadoptsDraftTubeAerator,changedthewayoxidationditchindissolvedoxygen,comparedwithordinaryaerationdevicecangreatlyreducetheairdemand.Inordertostudytheoperationefficiencyfortheimprovedoxidationditch,chooseHydraulicRetentionTime（HRT）,aerationquantityandtheverticalshaftspeedtoexperimentanalysis,useCODandNH3-Nremovalefficiencyforevaluationindex.InordertoLookforthebestexperimentalconditionsofimprovedoxidationditch,theexperimentwasdesignedaccordingtothreefactorsandthreelevelsorthogonaltable.Getexperimentalresultsare:ThebestexperimentalconditionsofCODremovalefficiencyisHRT=20h,Aerationquantity=2.5m3/h,verticalshaftspeed=1000r/min;ThebestexperimentalconditionsofCODremovalefficiencyisHRT=20h,Aerationquantity=2.5m3/h,verticalshaftspeed=700r/min.Keywords：modifiedoxidationditch;drafttubeaerator;influentialfactor;removalefficiencyStudyonNFMembraneforUsingonDirectDrinkingWaterTerminalSystemJingShuangyi1,LiuYang1,ZhangLieyu1,2,LiWeiping1,Yulinghong1（1.SchoolofEnergySourcesandEnvironment,InnerMongoliaUniversityofScienceandTechnology,Baotou014010,China;2.ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,China）Abstract:Toobtainhigh-qualitydrinkingwaterfromtapwater,theNFmembraneasthecoreofthedirectdrinkingterminalwasappliedtoremovevariousimpuritiesinwater,andthewaterproductionefficiencywasinvestigated.TheresultsshowthattheNFme