氨氮工业废水处理技术现状和展望李健昌

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:1006-4079(2008)03-0041-04氨氮工业废水处理技术现状和展望,,,,(,341000):介绍氨氮废水的来源与危害,并阐述含氨氮工业废水的处理技术,分析这些技术的适用条件和影响因素及其优缺点。:;;;;;:X703   :ATheCurrentConditionofIndustraialWastewaterTreatmentTechnologyofAmmonia-nitrogenanditsProspectLIJian-chang,FENGDan,LUOXian-ping,HANLei,LAILan-ping(InstituteofResourceandEnvironmentalEngineering.JiangxiUnivesityofScienceandTechnology,ganzhou341000)Abstract:Introducethesourceandharmofammonianitrogenwastewater.describedthetreatmenttechnol-ogyonammonianitrogenwastewaterandtheapplicationofthesetechnologiesandtheirimpactonthecon-ditionsandadvantagesanddisadvantages.Keywords:ammonia-nitrogenwastewater;strippingtechnique;in-exchangetechnique;biologicalnitrifica-tionanddenitrification;breadpointchlorination;chemicalprecipitation1 前 言,,,,,,,,,,,。,,。。,,,。2 氨氮废水现状及处理方法,,,,,,,。,,,。。,6000mg/L。,,,,。,·41·:2008-09-07:(1985-),,,,. 20089  四川有色金属SichuanNonferrousMetals,,,MAP,,,,,。:,(ANAMMOX)(CANON),,:1):。2):。3):+;+;+。4):;。2.1 ,,,,。,:NH+4+OH-NH3+H2O(1),:P=KX·XPPaKXPaXmol/mol(1)(NH+4)(NH3),(NH4+),。pH,pH,(NH4+)(NH3)。,(NH3)。,。,50℃,pH10.5~11.0,2800∶1-3200∶1,1026.76mg/L,98%。,25℃,pH10.5,3500,2000-4000mg/L,90%。,,,,,,。AAO,。,,,96%。2.2 ,,。,,NH4+,,16mg,30-16,78.5%。,,。,,pH,,。,,,。,,,,,,,,,。,·42·李健昌等:氨氮工业废水处理技术现状和展望3。,,,,,。2.3 ,,:2NH4++42NO3-+4H++2H2O:NO2-+CO2+N2+H2O+OH-,,,,,:NH4+※HNO2※N2,25%,40%,C/N,TN,50%,,。HNO2。2.4 N2,:NH4++1.5HOCl0.5N2+1.5H2O+2.5H++1.5Cl-,,,NH4+,,,,。,pH,。,,,,,,。2.5 (MAP),,,。:HPO42-+Mg2++NH4++6H2OMgNH4PO4·6H2O↑+H+(2)pH,n(Mg)∶n(N)∶n(P),。2.5.1 溶液的pH值的影响(2),,,MAP,,pH,pH,Mg2+OH-Mg(OH)2,MAP,pH8.5-102.5.2 n(Mg)∶n(N)∶n(P)影响(2),n(Mg)∶n(N)∶n(P)1∶1∶1。,,1∶1∶1,Mg2+,PO32-NH4+,n(Mg)∶n(N)∶n(P)1.2~1.3∶1.0∶0.9,1∶1∶1。2.5.3 反应时间的影响Mg2+,NH4+,HPO42-MAP,1。MAP,,,MAP,。Ca(OH)2pH,(MHP),,;。,,,pH=9,·43· 3李健昌等:氨氮工业废水处理技术现状和展望90%,97.25%。2.5.4 反应温度的影响,MAP,,MAP,,25℃,,,,。,,,,,MAP。MAP,,,。3 结语与展望,、,。,,,,,。,,,,,。,,。,,。。,。,,,,,。,,,,。,,,。,。【1】..,2004,20(3):37-40.【2】..,2004,5(6):51.【3】..,2007,38(1):31.【4】..,2006,32(2):22-24.【5】..,2002(18):29-33.【6】J.J.Lee.etal..AstudyofNH3-NandPrefixationinbybridanacerobic,ChemospHere.2003(51):207-210.【7】..,2003(21):130-132.【8】..,2007,27(4):62.【9】..,2002,21(1):87-89.【10】KenichiEbata.etal..Ammoniaremovalfromwastewa-ter.JapanKokai,1977.77(4):649.【11】..,2002,3(1):65-67.【12】.().:,1996.【13】..,2003(11):18-19.【14】..:.【15】..,2007,14(1):62-63.【16】..,1999(1):14-15.【17】HiroshiOne.etal.Removalofammonicalnitrogenfromwastewater,JapanKokai,1997,77(155):860.【18】..,2007,32(9):14-16.(下转第35页)·44·李健昌等:氨氮工业废水处理技术现状和展望30.1000g100mL,25ml(:=1:4),,。25ml,。5mL(50g/L),,200mL,1mol/L。ICP。2 结果与讨论2.1 ,。。,β-。:=1:4。。,。,。2.2 3。Sn-Ag-Cu,。  3 /%/%/%/%/%RSD(n=6)/%1Ag3.0303.0602.005.105101.51.87Cu0.7100.7001.001.68498.51.47Pb0.0360.0370.2000.2411023.802Ag3.1703.1062.005.10398.71.45Cu0.7300.7401.001.70998.82.38Pb0.0300.0330.2000.234101.83.503 结语,,,。【1】.GB/T.10574.13-2003【2】,.[M].:,2007(上接第44页)【19】..,2006,19(3):19-20.【20】KhinT.etal..Novelmierobialnitrogenremovalprocess-es.Biotechnologyadvances.2004,22(7):519-532.【21】RuizG.etal..Nitrificationwithhightnitriteacculnulationforthetreatmentofwastewaterwithhighammo-niaconcentration.WaterResearch.2003.37(6):1371-1377.【22】..,2003(2):36-39.【23】.Ca(OH)2pH.,2007,20(2):9-14.·35· 3何勇:ICP-AES法测无铅焊锡中的银铜铅等元素

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