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----,,,。,,,、、、,。、,。,、、、,、、—。1[1],30mg/L、14.5mA/cm2、300mg/LpH7.0,4h,26.8mg/L6.1mg/L,B;19.9mg/L0.1mg/L,I。[2],40mg/L,600ml/min,20mA·cm-2,90min,99.37%。[3](IrO2,RuO2,TiO2/Ti),,(),,、。,,AgnieszkaKapalka[4]Ni/Ni(OH)2,,25℃,12,pH7,600mg/L250mg/L,55%。,pH,pH7,。RGSamanWijesekara[5],,100%。2080,(,341000):、、—、—、—,,。:;;;:X703:A:1008-9500(2010)12-0033-03ResearchofElectrochemicalonLow-ConcentrationAmmoniaWastewaterShangJuan,FengXiujuan(EnvironmentEngineeringDepartment,JiangxiUniversityofScienceandTechnology,Ganzhou341000,China)Abstract:Thisarticlesummarizesthetreatmentefficiencyofelectro-oxidation、electrodialysis、electrochemical-biologicalmethod、electrochemical-UVirradiationmethodandelectrochemical-zeolitemethodinthedifferentdensityofammoniawastewater.Anditalsoanalyzestheadvantagesanddisadvantagesofthedifferentmethods.Besides,itsuggeststhenewapplicationsinthedisposalofrareearthammoniawastewater.Keywords:electrochemical;low-concentration;ammonianitrogen;wastewatertreatment:2010-08-11:(1986-),,,,。Vol.28,No.12201012ChinaResourcesComprehensiveUtilization33----,,,,:(1)[6]NH3+3OH-→1/2N2+3H2O+2e-(2)[7]。,,、。,,Cl-,,,。:2CL-→CL2+2e-CL2+H2O→HOCL+H++CL-2NH4++3HOCL→N2+3H2O+5H++3CL-,,,、、,、,。2[8],,(10mg/L),90%。,(2.5mg/L~10mg/L)。,pH[9],,,。[10],534.59mg/L,55V,24L/h,2920μs/cm,13mg/L,,,。,、。,71.208t10.162t,61.046t,≤40mg/L。30t/a,,99%,30mg/L,720t[11]。,:,,,NH4+,,,OH-(Cl-、SO42-),NH4+,。,,、、、、。,,。,。3—[12]。,78.4mg/L,3A,6.25mA/cm2,2,100%。[13],3L/d、、19.5mA、C/N1,95.6%(6~14mg/L)。[14],—。,—,14.9%。,,,;(),。—,、、。4—Shu-huXiao,Jiu-huiQu[15](UPE),:RuO2/TiUPEIrO2/TiUPE1234----。,RuO2/TiIrO2/TiUPE,1.51.7。650mg/L,98%。—,,,200~400nm,,,:HOCL+hv→·OH+·CL,,,,。5—MiaoLi,Chuan-pingFeng[16]。Ti/IrO2-Pt,,100mg/L,13.6mg/L。,97%,3%,。—,,,,,。,,,。6,,。,、,。,,。1,,,.[J].,2006,45(3):348-352.2,,.Ti/RuO2-TiO2-IrO2-SnO2[J].,2007,28(9):2009-2013.3,,.[J].,2010,24(1):71-75.4AgnieszkaKapalka,AudreyCally,et.ElectrochemicalbehaviorofammoniaatNi/Ni(OH)2electrode[J].ElectrochemistryCommunications,2010,12:18-21.5RGSamanWijesekara,NakaoNomura,et.Electrochemicalremovalofammonia,chemicaloxygendemandandenergyconsumptionfromaquaculturewaterscontainingdifferentmarinealgalspecies[J].JournalofChemicalTechnologyandBiotechnology,2005,80:1408-1415.6MaeinercL,LectzFB.Electro-oxidationofammoniainwastewater[J].JAppElectro-chem,1978,8(4):335-345.7SedlakR.Phosphorusandnitrogenremovalfrommunicipalwaste-water[M].NewYork:LewisPublishers,1991.8,,.[J].,2008,34(18):189-190.9,,.pH[J].,2008(19):170-171.10,,.[J].,2008,17(3):332-335.11.[J].,2009(4).12,,.[J].,2008,27(3):6-9.13,,HUINGYong.[J].,2008,24(15):28-31.14,,,.[J].,2005,27(2):91-93.15Shu-huXiao,Jiu-huiQu,Xuzhaoet.ElectrochemicalprocesscombinedwithUVlightirradiationforsynergisticdegradationofammoniainchloride-containingsolutions[J].Waterresearch,2009,43:1432-1440.16MiaoLi,Chuan-pingFeng,ZhengyaZhanget.Simultaneousregenerationofzeolitesandremovalofammoniausinganelectrochemicalmethod[J].MicroporousandMesoporousMaterials,2010,127:161-166.(/)12:35
本文标题:电化学在低浓度氨氮废水处理中的研究进展
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