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41(NH3)(NH4+)。、、、、、、、。,,,。。,,[1]。,、。22.1、、、。、,。,,,、,,(,341000):,,、,,。:;;:X703:ARecentadvancesonthetreatmentmethodsofAmmonia-nitrogenwastewaterZHANGDachao,ZENGXianying,ZHANGJuhua(FacultyofResourceandEnvironmentaiEngineering,JiangxiUniversityofScienceandTechnology,Ganzhou341000,China)Abstract:Summarizedtheoriginandendangerofammonia-nitrogeninthewater,summeduptheprocessingmethodsofAmmonia-nitrogenwastewater,describedtheoperatingprincipleandprogressofeachmethod,analysedtheirmeritsanddrawbacks,pointedoutthedevelopmentdirectionofthetreatmentofAmmonianitrogenwastewater.Keywrods:Ammonianitrogenwastewater;treatment;development:(GJJ09520)。:(1975-),,,,。:1006-4079(2011)04-0046-04201112SichuanNonferrousMetals·46·4[2]。,,,。,,[1]。2.2,,,。[3],,pH=11,=1800,25~35℃。304.7mg/L,78.1%~83.5%,3.61。,,,,,。,,。,。,pH,pH,。2.3,。:NH4++1.5HClO→0.5N2+1.5H2O+2.5H++1.5Cl-,,0,,[4]。[5],,。,。,,,。,pH,,[6]。2.4,。(MAP),。[7]MAP1000mg/L,。pH=9.5,n(PO43-):n(NH4+):n(Mg2+)=1:1:1.2,10min,95.15%。,97.26%,MAP。,,,。,[8]。2.5。,Ca2+Na+,,,[9]。[10]、pH、、。100mg/L~300mg/L,6h。,0.4m/h。、、、、。,。2.6[11],,:NH3+H+→NH4+1000mg/L,()、1:10、8%、1.0、pH11、805%、·47·40.6%,,95%。,,,,,,。2.7,,、,[12]。[13]534.59mg/L,55V,24L/h,。,,,,,。2.880,、、,CO2、N2、H2O[14]。[15]CODCr6305mg/L,3775mg/L,280℃,8.0MPa,CODCr99.5%99.9%。,,,,,,。33.1[16]:(1):NH3N2。NH3+3OH-→1/2N2+3H2O+3e-(2):Cl-Cl2,N2。2Cl-→Cl2+2e-Cl2+H2O→HOCl+H++Cl-2NH4++3HOCl→N2+3H2O+5H++3Cl-。[17]。pH6~10,85mA/cm2,Cl-8.0g/L。RuO2-IrO2-TiO2/Ti。,1800~2000mg/L,3h98.22%。,,,,[18]。3.2。,TiO2,。TiO2OH-H2O·OH,·OH,[19]。[20]1460mg/L,24h,95%。、、,NO2-NO3-,。,,[21]。3.3,,,,。,(5000K)(50MPa),100m/s。·H、·HO、·HO2H2O2,,,[22]。[23],·48·4,pH,;,,,,,。pH11,800,4948mg/L,2h,97.64%,。、,,、,,,,。,、,[24]。,,。4,,,,,。,,,。:[1],..,2007,27(4):54-60.[2]、、,...2005,15(3):91-94.[3],,,..,2010,4(4):789-794.[4],,,..,2008,9:41-44.[5]..,2009,37(5):172-173.[6],..,2002,3(1):65-68.[7],,,..,2010,41(3):65-69.[8],,..,2009(34):24-26.[9],,,.NH4+.,2010,30(5):609-614.[10],,,..,2006,45(6):828-831.[11]..,2007,6(21):36-40.[12],,..,2010,30(1):1-3.[13],..,2008,3:27-29.[14],,,..,1997,23(3):160-163.[15],,,..,1996,16(6):11-13.[16],.,..,2009,24(2):146-148.[17],,,..,2010,36(6):111-115.[18],,.Ti/RuO2-TiO2-TrO2-SnO2.,2007,28(9):2009-2013.[19],,..,2001,15(12):32-34.[20],,,..,2005,18(3):43-45.[21]..,2008,34(29):216-217.[22],,..,2006,26(6):10-13.[23],,..,2006,19(2):9-11.[24],,,..,2005,24(3):197-200.·49·
本文标题:氨氮废水处理方法研究进展张大超
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