磁场协同交变脉冲电化学场处理垃圾渗滤液

1,2,111,43007021,430081:,-,,,.0108T,5APdm2,210V,3s90min,,CODCrNH32N8141%6156%;CODCrNH32N16101%7182%..:;;;:X705:A:1001-6929(2006)05-0074-04TheCooperationofMagneticFieldandPeriodicElectrochemistryFieldtoDegradeLandfillLeachateLUOYa2tian1,YUYi2xiong2,ZHANGWei2fang11.ResourcesandEnvironmentEngineeringCollege,WuhanUniversityofTechnology,Wuhan430070,China2.WuhanAcademyofSafetyandEnvironment,Wuhan430081,ChinaAbstract:Inthewatertreatmentreactorofmagneticfieldandelectrochemistryfieldwhichwasmanufacturedbytheauthorsthemselves,aluminumsolubleelectrodewasusedtotreatlandfillleachatebyperiodicmagneticfieldandpulseelectrolysis.Itisshownthatwhenthemaximalinstantaneousdensityis5APdm2,cycleforchangingthepoleis3seconds,theintensityofmagneticfieldis0108T,andtheresponsetimeis90minutes,thedegradationeffectofmagnetic2fieldcooperationwithelectricfieldisbetterthanthesingleelectricfield.Tothefreshlandfillleachate,theremovalrateofCODCrandNH32Nimprovesby8141%and6156%respectively.Totheagedlandfillleachate,theremovalrateofCODCrandNH32Nimprovesby16101%and7182%respectively.Thecooperativeeffectofperiodicmagneticfieldandelectrochemistryfielddistinctlycanobviouslyimprovetheeffectofwasterwatertreatment.Keywords:magneticfield;electrochemistryfield;cooperativeeffect;landfillleachate:2006-03-27:(1949-),,,.,..,NH32N,,..,[12],,,pH,;[34],,.,,.-195ResearchofEnvironmentalSciencesVol.19,No.5,2006©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(CODCr),(NH32N).1121.1,0220V,020A,50Hz;0100V,020A,0100Hz,.....1;2;3;4;51Fig.1Experimentaldevice113,,,(CODCr)15961101mgPL,(NH32N)4987172mgPL.,,,(CODCr)3705117mgPL,(NH32N)6108125mgPL.2211,,[57].:5APdm2,210V,90min,.2,,NH32NCODCr30%,3s.2Fig.2Theinfluenceofpluseperiodtothetreatmentoflandfillleachate212,.,().3s,1L,90min,210V,,3.3Fig.3Theinfluenceofthemaximalinstantaneousdensitytothetreatmentoflandfillleachate3,CODCrNH32N.,,[8].575:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[9].0108T.5APdm2,3s,90min,210V,1L,0108T,,1.1Table1TheinfluenceofmagneticfieldtoelectrochemistrytreatmentP%P%CODCr48191561875713271968141NH32N83144891659010061216156CODCr5316567185691661412016101NH32N78123851648611471417182P(WhL-1)1525151,.,;.3a.,.,.,.b.,NH32NCODCr,6719©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,CODCr,NH32N;.,CODCr(16101%)CODCr.d.-.:[1],,.Fe3+PH2O2P[J].,2005,18(3):2932.WuShaolin,XieSicai,LiMingjun.ThetreatmentoflandfillleachbySolarPH2O2PFerricoxalate[J].ResearchofEnvironmentalSciences,2005,18(3):2932.[2],,,.[J].,2004,17(1):7780.LiHaisheng,LiuGuanghui,LiuLiang,etal.Advanceoftechnologiesformunicipallandfillleachatetreatment[J].ResearchofEnvironmentalSciences,2004,17(1):7780.[3],,,.[J].,2003,16(6):5356.YangYunjun,LiTinggang,DuGuocheng,etal.Studyonelectrolyticoxidationprocessforpreliminarytreatmentoflandfillleachates[J].ResearchofEnvironmentalSciences,2003,16(6):5356.[4],,,.UVPH2O2P[J].,2003,16(3):4143.WuShaolin,LiMingjun,WanShigui,etal.AstudyonthetreatmentoflandfillleachbyUVPH2O2PFerricoxalate[J].ResearchofEnvironmentalSciences,2003,16(3):4143.[5],.[J].,2004,(4):145147.LuoYatian,PiKewu.Synthesisofpolyaluminumchloridebyelectrolysisprocesswithrearrangeableelectrode[J].EnvironmentalProtectionofChemicalIndustry,2004,(4):145147.[6],.SiO32-PACSiC[J].,2004,5(10):145147.LuoYatian,PiKewu.Researchontheeffectofsynthesisofpolyaluminumsilicatechloridebypulseauto2rearrangeableelectrodeselectrolysisthroughaddingSiO32-ion[J].TechniquesandEquipmentforEnvironmentalPollutionControl,2004,5(10):145147.[7],.[J].,2004,(6):3436.LuoYatian,MeiJianhui.Studyonelectrochemicalmethodsofdyeingwastewaterbyalternatelowvoletagepulseandalanode[J].EnvironmentalTechnology,2004,(6):3436.[8],.[J].,2004,(10):609614.YuYixiong,LuoYatian.Studyonintensivetreatmentwaysoflandfillleachate[J].LiaoningChemicalIndustry,2004,(10):609614.[9],.[J].,2003,(1):2628.PiKewu,LuoYatian.Applicationsandrecentadvancesofmagnetisminwastewatertreatment[J].EnvironmentalTechnology,2003,(1):2628.(:)775:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.