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,(,200092)[]-,、、,、,。,,。、。[];;[]X703.1[]A[]1005-829X(2011)05-0001-04ProgressintheapplicationsofcatalyzedirontechnologytodenitrificationanddephosphorizationLiuXin,MaLuming(CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China)Abstract:Asanewcombinedtypephysico-chemistry-biochemistrytreatmentprocess,catalyzedirontechnologyischaracterizedbystrongadjustability,fastefficiency,andcheaprawmaterial.Notonlydoesithaveexcellenteffectsondegradingtherefractoryorganismswhichcontainhalogenandnitrocompounds,butalsohasremarkableapplica-tionprospectsfordenitrificationanddephosphorization.Thereactionmechanismofcatalyzedirontechnologyap-pliedtothedenitrificationanddephosphorizationfromsewageandtheactualresearchandapplicationinengineeringareintroducedemphatically.Severalmaininfluentialfactorsofcatalyzedirontechnologywhichhavegreatimpactsonitseffectiveapplicationareanalyzed.Attheend,itispointedoutthatfurtheradvancedresearchshouldbeontheproblemsexistingintheapplicationofthetechnology,suchastheeliminationofcatalyzedironsurfacepassivationandtheeffectofirononbiologicaldenitrification.Keywords:catalyzedirontechnology;denitrificationanddephosphorization;sewage。,A2/O,,。,(、、),,〔1-4〕。,,,。,、,,,〔5-13〕。、,。,、、,,〔14-18〕。1(),,,[]863(2002AA601270,2009AA063902);(09dz2202300)31520115IndustrialWaterTreatmentVol.31No.5May,20111〔18〕,〔19〕。1.1,Fe2+、Fe3+。,、,Fe3C。,,,,,。,,,〔19-21〕。1.2[H],,,〔19-20〕。1.3Fe2+、Fe3+,Fe(OH)2、Fe(OH)3,〔22〕。,Fe2+、Fe3+,PO43-。1.41.4.1,,Fe3+(EPS)〔23〕。Fe3+,EPS,。〔23〕(SS)<80mg/g,Fe3+EPS。〔24〕—,,,。1.4.2,,Zeta。,,。Fe3+,EPS,,,,〔25〕。1.4.3Fe3+EPS,Fe3+Fe(OH)3。Fe3+,、。〔25〕-,、,。2,。2.1,,,,,。,,,〔19〕。Cu/Fe、Ni/Fe、Pd/FeAg/Fe。、〔19,26-27〕。2.2pH[H]。pH,,[H]Fe2+。Fe(OH)2、Fe(OH)3,〔18〕。2.3Fe-H2O(1)。,,-;,,Fe2+Fe3+,。(2)。,,、、,pH、DO〔19,27〕。,,。pHFe(OH)3NO2-、NO3-,2011-05,31(5)2,〔27〕;Cl-〔28〕。3,,。3.1——SBR,,。LumingMa〔29-32〕:,60000t/d,SBR—,、NH3-N、,。LumingMa,TP,,,—;,——SBR,。、,2.5m×1.55m×0.98m,576、914t。2006,COD、TNTP129.9、28.6、2.29mg/L67.6、3.8、1.8mg/L,90%、85%、63%,30%80%〔29〕。3.2,、〔5〕,,COD100mg/L,。,,。3.2.1,,,Fe2+,Fe2+O2Fe3+。,Fe3+,。〔30〕,COD、TP、43%、63%、73%,;2.8mg/L,,。45min、DO4mg/L,。3.2.2—SBR/CASS—SBR/CASS—,SBR/CASS,,;Fe2+、Fe3+、,,。、。〔31〕—SBRSBR,—SBR,TPA,SBRB。—SBRSBR,。,,。,〔31〕、—CASS。,,;,。3.2.3—SBR。—SBRSBR,〔32〕,。:(1)pH,7.5~9.5,SBRpH8~9。(2)DO>4.0mg/L,80%,。DO,Fe3+,,。20~25℃,、pH,2011-05,31(5),:3,80%。(3),。4、,,。:(1)。、,。(2),,,,。[][1].[J].,2007,34(7):99-102.[2],,.SBR[J].:,2007,30(3):125-127.[3],.[J].,2008,15(3):73-77.[4],,,.5F-A2/O-[M].:,2009:38-40.[5],.:[M].:,2006:196-205.[6],.[J].,2008,33(3):104-106.[7],,,.[J].,2004,20(6):16-18.[8],,,.(PASF)[J].,2004(2):16-19[9],,,.[J].,2004,22(5):27-29.[10],,,.[J].,2006,22(2):20-22.[11],,,.[J].,2006,22(7):25-29.[12],,.[J].,2006,26(6):42-45.[13],,,.[J].,2008,24(11):23-26.[14]HendersonAD,DemondAH.Long-termperformanceofzero-valentironpermeablereactivebarriers:acriticalreview[J].EnvironmentalEngineeringScience,2007,24(4):401-423.[15]EbertM,K觟berR,ParbsA,etal.Assessingdegradationratesofchlorinatedethylenesincolumnexperimentswithcommercialironmaterialsusedinpermeablereactivebarriers[J].EnvironmentalScience&Technology,2006,40(6):2004-2010.[16],,.[J].,2007,27(10):13-16.[17],,.[J].,2008,24(17):36-39.[18],.[J].,2009,25(6):9-13.[19].:[M].:,2008:17-310.[20].Cu/Fe[D].:,2007.[21].[D].:,2007.[22].[D].:,2006.[23].[D].:,2007.[24].[D].:,2006.[25].[D].:,2006.[26]CwiertnyDM,BransfieldSJ,RobertsAL.Influenceoftheoxidiz-ingspeciesonthereactivityofiron-basedbimetallicreductants[J].EnvironmentalScience&Technology,2007,41(10):3724-3740.[27]NoubactepC.AcriticalreviewontheprocessofcontaminantremovalinFe0-H2Osystems[J].EnvironmentalTechnology,2008,29(8):909-920.[28]HsuJC,LinCJ,LiaoCH,etal.Evaluationofthemultiple-ioncompetitionintheadsorptionofAs(V)ontoreclaimediron-oxidecoatedsandsbyfractionalfactorialdesign[J].Chemosphere,2008,72(7):1049-1055.[29]MaLuming,ZhangWeixian.Enhancedbiologicaltreatmentofindustrialwastewaterwithbimetalliczero-valentiron[J].Environ-mentalScience&Technology,2008,42(15):5384-5389.[30].[D].:,2006.[31].—[D].:,2010.[32].[D].:,2006.[](1984—),2009。:021-65982106,E-mail:liuxin0240357@126.com。:,,E-mail:lumingma0708@yahoo.com.cn。[]2011-02-18()2011-05,31(5)4
本文标题:催化铁技术在脱氮除磷中的应用进展
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