磁场对电解法处理垃圾渗滤液的影响

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2020-07-17

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[1-2]。、。、[3]。。COD。11.1214cm×8cm1.5cm。。pH8.0COD2000～3000mg·L-1Cl-3500mg·L-1。。COD。1.2CODCODCOD。22.12.1.1COD0.5LCOD1。1212013。COD30minCOD17%12%0.2970TCOD20%25%。X703.1A1000-3770(2010)02-0102-032009-07-101964－13952880739E-mailwzl@ujs.edu.cn15896383900E-mailoushicai1@163.com1CODFig.1TheinfluenceofthestaticmagneticfieldtotheCODofthelandfillleachate02040608010012005101520COD/%/min36220102TECHNOLOGYOFWATERTREATMENTVol.36No.2Feb.,2010102COD。COD。10.2475～0.3465T0.2970T。CODCOD[4]。2.1.2COD0.5LCOD23。2COD。COD。0.3465T120minCOD20%。。、、。。3CODCOD。2.2NaClCl-12.5g·L-15A·dm-20.5L30min0.2970T、50HzCOD4。4COD。120minCOD。、COD[5]。。2.30.2970T50HzCOD/%/min4CODFig.4Theinfluenceofthepreviousmagnetizationelectrolyzingthelandfillleachate250HzCODFig.2Theinfluenceofthe50HzACmagneticfieldtotheCODofthelandfillleachate0204060801001200510152025COD/%/min360minCODFig.3TheinfluenceoftheACmagneticfieldwithdifferentfrequencytotheCODofthelandfillleachate05010015020025030005101520COD/%/Hz103NaClCl-12.5g·L-15A·dm-20.5LCOD5。5COD。2。3、、。3COD。COD。120minCOD。。[1],,,.[J].,2006,37(7):14-17.[2],,,.[J].,2004,17(1):77-80.[3],.[J].,1995,16(5):6-9.[4],.COD[J].,2004,37(6):51-54.[5],.[J].,2008,37(6):959-962.020406080100120020406080COD/%/min5CODFig.5TheinfluenceofthemagneticfieldtotheelectrolyzingprocessIMPACTOFMAGNETICFIELDTOLANDFILLLEACHATETREATMENTBYELECTROLYSISWangZhuliang,ZhouChuan(InstituteofEnergyandPowerEngineering,JiangsuUniversity,Zhenjiang212013,China)Abstract:TheimpactofstaticmagneticfieldandACmagneticfieldtolandfillleachatetreatmentofelectrolysiswasinvestigatedusingnewlandfillleachatetreatedbycoagulation.Theexperimentalresultsshowthat,thelandfillleachateCODcouldgodownaftermagnetized.Comparedtotreatedbyelectrolysislonely,theremovalefficiencycanincreasebyabout17%and12%respectivelyaftertreatedbystaticmagneticfieldandtheACmagneticfield.TheeffectofstaticmagneticfieldisbetterthantheACmagneticfield.Comparedtotreatedbyelectrolysislonely,theremovalefficiencycanincreasebyabout20%and25%respectivelyaftertreatedbyelectrolysiswithstaticmagneticfieldandtheACmagneticfield.TheeffectofthetreatmentwithACmagneticfieldisbetterthanwiththestaticmagneticfield.Keywords:leachatetreatment;electrolysis;magneticfield;coagulationSTUDYONSHORT-CUTNITRIFICATIONANDDENITRIFICATIONFORTREATMENTOFADVANCEDLANDFILLLEACHATEBYHYBRIDA/OPROCESSJinYongxiang,TaoLijuan,ZhouZhanhao,NiShujun(ChinaUnitedEngineeringCorporation,Hangzhou310014,China)Abstract:HybridA/Oprocesswasappliedtotreatadvancedlandfillleachate,theinfluencefactorsoftheshort-cutnitrificationwerediscussed.TheresultsshowedthathighpHvaluewasthekeyfactorofstablenitrosification,theammoniaremovalandnitrosificationratecouldreach99%and95%respectivelyatDOof2.8mg·L-1,temperatureofabout30℃.Ammoniaofeffluentwaslessthan20mg·L-1,whichmeetsthestandardforpollutioncontrolonthelandfillsiteofmunicipalsolidwaste(GB16889－2008).Byaddingbiocarrierintotheaerationtank,localhypoxicmicroenvironmentwascreated,whichprovidesfavorableconditionsforSNDprocess,thusthenitrogenremovalwasenhanced.Whenrefluxratio(R)wassetas2,theaveragetotalnitrogen(TN)removalwouldreach73.6%,ofwhichtheSNDcontributionwas9.1%.Keywords:advancedlandfillleachate;hybridA/O;nitrification;denitrification;biocarrier101!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!362104