氨吹脱两级矿化垃圾AcFenton处理晚期垃圾渗滤液曾晓岚

119Vol．11No．920179ChineseJournalofEnvironmentalEngineeringSep．2017B130412016－11－152017－01－301972—。[e-mail]*--Ac-Fenton12*12121212121．4000452．400045-。14Ac-Fenton。DOM70%～80%＜5kDa4.0g·L－1H2O20.15mol·L－1H2O2/Fe2+2∶1pH3.0Ac-Fenton、COD、BOD5TN99.2%、97.6%、97.4%、98.1%14GB16889-2008。FentonX703A1673-9108201709-5013-07DOI10.12030/j．cjee．201611104Treatmentofmaturelandfillleachatewithammoniastripping-two-stageagedrefusebioreactor-Ac-FentonprocessZENGXiaolan12*CHENLiang12DINGWenchuan12ZHANGYuxi12LIUJiandong12WANGJiankang121．KeyLaboratoryofThreeGorgesＲeservoirＲegion’sEco-EnvironmentMinistryofEducationChongqingUniversityChongqing400045China2．LowCarbonGreenBuildingInternationalJointＲesearchCenterChongqingUniversityChongqing400045ChinaAbstractAmmoniastripping-two-stageagedrefusebioreactorprocesswasappliedtotreatlatelandfillleachate．Accordingtothemolecularweightdistributionoforganicsandthethree-dimensionalfluorescencecharacteristicsoftheeffluentfromthiscombinedprocessAc-Fentonwasproposedastheadvancedtreatmenttechnologybycomparing14waterqualityparameterswiththedischargestandardandtheoptimalprocessconditionswereexam-inedbasedonorthogonalanalysis．ＲesearchresultsshowthattheremovalrateofvariousDOMmolecularweightsbythetwo-stageagedrefusebioreactorcouldreach70%to80%andtheremovaloffulvicacidofvisibleregionwasrelativelyeasier．Thefulvicacidwithmolecularweight＜5kDawasstilltheprimarycomponentofAc-Fentoneffluent．TheoptimumconditionofAc-Fentonprocesswasactivecarbondosageof4.0g·L－1H2O2dosageof0.15mol·L－1H2O2/Fe2+of2∶1andpHof3.0．SynchronouslythetotalremovalrateofcolorCODBOD5andTNcouldreach99.2%97.6%97.4%98.1%respectivelyand14waterqualityparameterscouldal-someetthedischargestandardsGB16889-2008．KeywordsammoniastrippingagedrefusebioreactorFenton3Dfluorescencespectrumlatelandfillleachateorthogonalanalysis、、1、。112-4。《》GB16889-2008。。。。AOPs5-6。FentonAOPsFe2+H2O2·OH7。8NH+4Fenton。pHNH3-9-11。12-13。“-”。Fenton、14-15Fenton16“Ac-Fenton”“-”。GB16889-200814Ac-Fenton。417COD43Ac-Fenton。。11.110BOD5/COD0.161960mg·L－1pH8.2。188。。1。1Table1Mainpropertiesofmineralizedwaste/%pH/%/cm·m－1/cm·min－140.27.6125.1＜11.015L。400mm×1300mmPVC。900mm50kg1。Ac-FentonZＲ4-6。1.2COD240～480mg·L－1。55d0.10L·kg·d－11d。30d。COD、81%、75%。Ac-Fenton、H2O2/Fe2+、、H2O2pHCOD41059--Ac-Fenton1Fig．1Schematicdiagramofagedrefusereactor17。432。→→→→-Fenton。5L。“-”pH9、4.5h、3500。0.10L·kg·d－1。2Table2Factorandleveloforthogonalexperiment/g·L－1H2O2/mol·L－1H2O2/Fe2+pH120.0522240.1043360.15641.3COD、BOD5、TN、NH3-N、、TP、、、、、、、、。300mLSCM3.32×10－3m2。、0.15MPa、0.25MPa。0.45μm、100kDa、30kDa、5kDaCOD。3Table3Waterqualityandtreatmentefficiency/%/21006097.1COD/mg·L－1367652085.9BOD5/mg·L－157056.290.1SS/mg·L－13601895.0TN/mg·L－1182445.597.5NH3-N/mg·L－1168219.198.9TP/mg·L－1141.787.9/·L－1140000173398.8/mg·L－10.00510100/mg·L－10.0520.00688.5/mg·L－10.3480.04587.1/mg·L－10.1080.02874.1/mg·L－10.05/mg·L－10.4240.07682.1、F-70003D-EEM200～550nm200～600nm3nm12000nm·min－15nm。22.1“+”2.1.14.5h143。3“+”74.1%～100%。、COD、BOD5、TN10GB16889-2008。510511COD、BOD5。19。90%TN。2.1.2“+”2。2Fig．2Molecularweightdistributionoforganics2＜5kDa50%～70%＞100kDa、30～100kDa、5～30kDa60%＜5kDa30%＜5kDa。70%～80%＜5kDa。。。2.1.3“+”3。3Fig．33D-EEMfluorescencespectroscopyoforganics61059--Ac-Fenton2peakAEx/Em=250nm/450nmpeakBEx/Em=330～340nm/410～420nm。。24。4DOMTable43D-EEMpeakcharacteristicsofDOMAEx/EmIUVBEx/EmIVisIUV/IVispH1250/45041460340/420381201.098.22250/45047100330/410356201.329.053250/4509860330/41059751.658.924250/4504880330/41028651.78.75A13.6%B6.6%。pH20-21。A、B279.0%、83.2%50.5%、52.1%pH。IUVIVisIUV/IVis22。IUV/IVis1.321.651.70。BAKEＲ23、、。。2.2“Ac+Fenton”2.2.14CODCODAc-Fenton。5。5A2B3C1D2A3B3C2D1CODGB16889-2008CODA3B3C2D1=6g·L－1、H2O2=0.15mol·L－1、FeSO4=0.0375mol·L－1、pH=2COD。5Table5ＲesultsoforthogonalexperimentAAcBH2O2CH2O2/Fe2+DpHCOD/mg·L－1/%11210.05121220560.62120.10242316668.13130.15363410779.442412316368.75223114672.9623128883.173613216668.18321311478.1933215489.6K1208.1197.4221.8223.1K2224.7219.1226.4219.3K3235.8252.1220.4226.2ΔK27.754.766.97105112.2.25H2O2pHH2O2/Fe2+。H2O22H2O2CODCODH2O2。1m3A2B3C1D24kgH2O25.1kgFeSO411.5kg0.3kgpH7.613A3B3C2D16kgH2O25.1kgFeSO45.75kg3.2kgpH7.612。、、、2000、300、1000、800·t－124-25A2B3C1D216.3·m－3A3B3C2D121.4·m－3。A2B3C1D2Ac-Fenton。2.2.3“+”14、COD、BOD5TN“Ac+Fenton”4。A2B3C1D26。6Table6Effluentwaterqualityafteradvancedtreatment/%/601673．3COD/mg·L－15208883．1BOD5/mg·L－156．215．173．1TN/mg·L－145．535．422．26“+”Ac-Fenton、COD、BOD5、TN16、88、15.135.4mg·L－1GB16889-2008。Ac-FentonTN22.2%Fen-tonpH。“--Ac-Fenton”、COD、BOD5TN99.2%、97.6%、97.4%、98.1%14GB16889-2008。3170%～80%＜5kDa。2Ac-Fenton4g·L－1、H2O20.15mol·L－1、H2O2/Fe2+2∶1、pH3H2O2COD。3“--Ac-Fenton”、COD、BOD5TN99.2%、97.6%、97.4%、98.1%14。1ＲENOUSGIVAUDANJGPOULAINSetal．LandfillleachatetreatmentＲeviewandopportunityJ．JournalofHazard-ousMaterials20081503468-4932YANGZ．TreatmentofearlyandlatelandfillleachatesbycompositeprocessofMAP-SBBＲJ．EnvironmentalEngineering200624114-173．J．200672112-1154．J．20163651409-14165BIＲCHEＲKGBOLTONJＲ．Figuresofmeritforthetechnicaldevelopmentandapplicationofadvancedoxidationprocess81059--Ac-FentonJ．PureandAppliedChe