搜索
45320066()JournalofFudanUniversity(NaturalScience)Vol.45No.3Jun.2006:042727104(2006)0320348205:2005209230:863(2003AA601020):(1975),,;.,,,(,200433):(NH3-N).:,;,;Cl-.,4h,26.86.1mgL-1;19.90.1mgL-1,I.:;;;:X172:A[1],.,()()(),[2].,,,[38].,[813].,,Cl-pH,.[10]21003000mgL-141005000mgL-1(COD)2500mgL-1Cl-,,.,Cl-pH,.11.11.,02A,010V.IrO2/Ti,,1L.,542,5,.3,4L.,720gL-150mL,.1L,300mLNaCl.8.1.2,Cl-pH.O(NH3-N)30mgL-114.5mAcm-2,Cl-300mgL-1pH7.0.,,1.(NH4)2SO4,NaClCl-,NaOHH2SO4pH.转载中国科技论文在线(NH3-N)/mgL-1/mAcm-2Cl-/mgL-1pH10.43.8303.032.57.61147.050.611.522511.9102.114.53034501.3[14],(NH3-N),(Cl-),(COD)(CODCr),(50mgL-1),(CODMn),pHpHS-3CpH().2,1522,,.,1.0%,.2.12Fig.2EffectoftheinitialNH3-Nconcen2trationontheremovalfNH3-N2.1.12.,,,0.990,0.999,0.9930.993,8.2,8.3,8.2,8.4mgL-1h-1.,pHCl-,,,.,,Yves[15],Szpyrowicz[8],.,,,Yves,Szpyrowicz,,.943053()45中国科技论文在线[10,12].0.996,0.999,0.9980.991,8.56,7.80,5.47,2.55mgL-1h-1,4h,30mgL-10.02,0.02,4.16,19.08mgL-1,11.514.5mAcm-2,.,707Jmg-1919,1361,1483Jmg-1(4),.2.1.3Cl-5Cl-.,,Cl-,1.134.42,8.30,9.55,12.09mgL-1h-1,2.5h,30,114,225,303,450mgL-1Cl-27.66,15.25,10.51,2.84,0.02mgL-1,Cl-28,113,224,283,440mgL-1,Cl-,Cl-.22460Jmg-14189,1843,1483,1068Jmg-1(6),Cl-,,.3:中国科技论文在线=3.1,7.0,11.90.996,0.9960.989.pH,10.01,10.48,8.19mgL-1h-1,1304,934,1760Jmg-1(8).3h,0.77,0.02,3.53mgL-1.,NH3-N.,pH,pH.,2,4,6,8,,,,,,A,I(0.15mgL-1).,.2.22,CODCr16487mgL-1,47%,26.86.1mgL-1,77%,B;CODMn1710mgL-1,39%,19.90.1mgL-1,100%,(0.15mgL-1).pH,.,,,,,,.2Tab.2ExperimentalresultsofthemunicipalwastewatertreatedbyelectrochemicaloxidationpH/mgL-1Cl-7.816426.81187.0876.11107.917319.91207.21030.1114:CODCr;3CODMn.,,,,;,,;Cl-pH,,;,,15.3mAcm-2,4h,26.86.1mgL-1,B;19.90.1mgL-1,I.153()45中国科技论文在线[1],,,.[M].:,1982.[2],,,.NH32N[J].,2002,10(2):59262.[3]ComnibellisC,NeriniA.AnodicoxidationofphenolinthepresenceofNaClforwastewatertreatment[J].Jour2nalofAppliedElectrochemistry,1995,25:23228.[4]IsrailidesCJ,VlyssidesAG,MourafetiVN,etal.Oilveoilwastewatertreatmentwiththeuseofanelectrolysissystem[J].BioresourceTechnology,1997,61:1632170.[5]RajeshwarK,IbanexJG,SwainGM.ElectrochemistryandtheEnvironment[J].JournalofAppliedElectro2chemistry,1994,24(11):107721091.[6],,.[J].,2001,17(3):69277.[7].[J].,2002,18(5):629.[8]SzpyrkowiczL,NaumczykF,Zilio2GrandiF.ElectrochemicaltreatmentoftannerywastewaterusingTi/PtandTi/Pt/Irelectrodes[J].WaterResearch,1995,29(2):5172524.[9]WangP,LauIWC,FangHHP.Electrochemicaloxidationofleachatepretreatedinanupflowanaerobicsludgeblanketreactor[J].EnvironmentalTechnology,2001,22(4):3732381.[10]ChiangLC,ChangJE,WenTC.Indirectoxidationeffectinelectrochemicaloxidationtreatmentoflandfillleachate[J].WaterResearch,1995,29(2):6712678.[11],,.[J].,2001,22(5):70273.[12],,,.[J].,2001,17(8):14217.[13],,.[J].,2003,22(12):8922897.[14].[M].:,2002.[15]YvesV,DominiqueC,AndrVL.Influenceofoperatingconditionsontheammoniaelectro2oxidationrateinwastewatersfrompowerplants[J].WaterResearch,2005,39(13):302823034.TheFactorsAffectingtheRemovalofAmmoniaNitrogenbyElectrochemicalOxidationZENGCi2yuan,LILiang,ZHAOXin2yue,LIUYan(DepartmentofEnvironmentalScienceandEngineering,FudanUniversity,Shanghai200433,China)Abstract:Thefactorsaffectingtheremovalofammonianitrogenbyelectrochemicaloxidationwereinvestigated.There2sultsshowedthatinitialconcentrationofNH32NdidnotaffecttheremovalrateofNH32N.Withtheincreaseofthecurrentdensity,boththeremovalrateofNH32Nandtheenergyconsumptionincreased.HighconcentrationofCl-orneutralmedi2umwerebeneficialtotheremovalofNH32N.After4helectrolysis,theNH32Nconcentrationoftheeffluentfromprimarysedimentationtankwasreducedfrom26.8to6.1mgL21,andtheeffluentfromthesecondarysedimentationtankwasfrom19.9to0.1mgL21,lowerthanrespondingvaluelistedinTheFirstGradeofEnvironmentalQualityStandardsforSurfaceWater.Keywords:ammonianitrogen;electrochemicaloxidation;effectfactors;municipalwastewater253