复合垂直流与潜流人工湿地沿程脱氮除磷对比研究栾晓丽

:,,1982,,。＊(No.OP061059)。复合垂直流与潜流人工湿地沿程脱氮除磷对比研究＊栾晓丽　王　晓　赵　钰　强艳艳((),　221008)　　　COD、TP、NH+4-N、NO-3-NTN。,。,,0～20cmCOD、TP、NH+4-NTN。,0～40cmCODTP,,,TN。　　　　　COD　　Purifiedefficiencyofnitrogenandphosphatethroughtwotypesofconstructedwetlands　LuanXiaoli,WangXiao,ZhaoYu,QiangYanyan.(JiangsuKeyLaboratoryofResourcesandEnvironmentalInformationEngineering,ChinaUniversityofMiningandTechnology,XuzhouJiangsu221008)Abstract:　IntegratedVerticalFlowConstructedWetland(IVCW)andSubsurfaceFlowConstructedWetland(SSFW)withthehydraulicloadingof600mm/dwerebuilttotreatdomesticwastewater.TheremovalefficiencyofCOD,TP,NH+4-N,NO-3-NandTNthroughthetwoconstructedwetlandsweredetectedandcompared.TheresultsshowedthatIVCWwasmoreeffectivethanSSFWinwaterpurified,bothofIVCWandSSFWpresentedbettereffi-ciencyinsummerthaninwinter.TheIVCWsystemprovidedasuitableecologyenvironmentformaintainingthemi-croorganisim,thedegradationofCOD,TP,NH+4-NandTNweremainlyinthefrontofthesystemTheremovalofCODandTPinSSFWwereobservedin0-40cmoftheconstructedwetlandsforthedepositionandadsorptionofsus-pendgranulesinwastewater,andthennitrificationwasintensifiedgraduallyinthemiddlestage,denitrificationexis-tedallthroughtheprocessofconstructedwetlandduetotheanoxicenvironment,whichinducedaequablyTNreduc-tioninSSFW.Keywords:　integratedverticalflowconstructedwetland;subsurfaceflowconstructedwetland;COD;nitrogen;phosphorus　　,、、,。,(SFW)、(IVCW)(SSFW)3,[1,2]。　　,[3]。、,。,,。,、,2。1　,2m2。21.0m×1.0m×1.2m,2.0m×1.0m×1.2m,1。1.1　管路设置。,0.9m,,。,·26·　　31　11　200911DOI:10.15985/j.cnki.1001-3865.2009.11.0081　Fig.1　SchematicdiagramofIVCWandSSFW0.1m。　　20、40、60、80、96cm5,20、40、60、80cm4。9。1.2　实验基质1m,90cm。200mm,600mm+,200mm;,200mm、600mm+100mm。1.3　植物选择2。:,;:1/2,1/2。1.4　试验方法,。,20075,12,600mm/d,、。[4]COD、TP、NH+4-N、NO-3-NTN。:COD15.7～69.2mg/L,TP0.30～6.40mg/L,NH+4-N2.2～35.3mg/L,TN8.6～41.2mg/L,pH7.0～7.2mg/L。2,22～32℃,-5～10℃。2　2.1　COD的沿程变化规律,COD71.36%、63.03%,2。,0～20cmCOD39.65%、53.96%,2,COD。,、。,,,,,,COD。80～100cmCOD,,。2　2CODFig.2　ChangesofCODconcentrationinthetwoCWs　　,COD,32.78%、·27·　33.84%,38.58%、29.19%。,,。0～20cmCOD,35.49%、43.16%,20cmCOD。2.2　TP的沿程变化规律,TP93.56%、84.15%。,0～20cm,TP,TP3.10mg/L0.51mg/L,TP89.27%,1.32mg/L0.22mg/L,94.65%。、。60～100cm,O2,,,TP。,、,TP,0.16、0.20mg/L。,,TP80%。,0～40cm,TP,TPTP55.44%,。0～120cm,,40～100cm,72.73%,120cm,DO,。　　3、4,TP,TP、83.77%、86.97%,1/2TP、89.33%、99.17%。　　,TP27.56%、24.69%;,9.47%、6.30%,2。,,,、。　　,CODTP。[5],,,,,TP,,CODTP,,。2.3　氮的沿程变化规律,NH+4-N38.87%、31.46%,NO-3-N91.40%、86.21%,TN50.17%、37.04%,57。。NH+4-N,,NH+4-NTN。,,NH+4-N,NH+4-N[6]。,·28·　　31　11　200911,、,[7],。　　0～20cm,NH+4-N,NH+4-N78.45%,O2NH+4-N,NO-2-NNO-3-N,NO-3-N,NH+4-NTN,TN40.38%。20～40cm,NH+4-N,NH+4-N,NO-3-N,。60cm,,NH+4-N,NO-3-N。60～80cm,,,NO-3-NNO-3-N50.12%。80～100cm,,NH+4-N、NO-3-N、TN。,。　　0～20cm,NH+4-N,DO,DO,NH+4-N,,NH+4-N,NH+4-N。,,DO。60～100cm,NH+4-N,NO-3-N,NH+4-NNH+4-N65.70%。,,TN。　　,NH+4-N、NO-3-N、TN7.15%、4.08%,25.51%、17.68%15.89%、8.42%,2NH+4-N。NH+4-N、3。,NH+4-N,,NH+4-N、,NH+4-N。NH+4-N,。6,2,。,85%。3　　(1)COD、NH+4-N、TNTP,71.63%、38.87%、50.17%、93.56%,8.33%、7.41%、13.13%、9.41%。2(下转第34页)·29·　,。:[1]　RUSSELLKM,GALLOWAYJN,MACKOSA,etal.SourcesofnitrogeninwetdepositiontotheChesapeakeBayregion[J].AtmosphericEnvironment,1998,32(14/15):2453-2465.[2]　VITOUSEKPM,ABERJD,HOWARTHRW,etal.Humanalterationoftheglobalnitrogencycle:sourcesandconse-quences[J].EcologicalApplications,1997,7(3):737-750.[3]　HOLLOWAYT,LEVYH,CARMICHAELG.Transferofre-activenitrogeninAsia:developmentandevaluationofasource-receptormodel[J].AtmosphericEnvironment,2002,36(26):4251-4264.[4]　GALLOWAYJN,DENTENERJF,CAPONEGD,etal.Ni-trogencycles:past,presentandfuture[J].Biogeochemistry,2004,70(2):153-226.[5]　EGMONDK,BRESSERT,BOUWMANL.TheEuropeanni-trogencase[J].Ambio,2002,31(2):72-78.[6]　ZHENGXunhua,FUCongbin,XUXingkai,etal.TheAsiannitrogencyclecasestudy[J].Ambio,2002,31(2):79-87.[7]　TWONSENDAR,BRASWELLBH,HOLLANDEA,etal.Spatialandtemporalpatternsinterrestrialcarbonstorageduetodepositionoffossilfuelnitrogen[J].EcologicalApplica-tions,1996,6(3):804-814.[8]　ANJunling,UEDAH,WANGZifa,etal.SimulationsofmonthlymeannitrateconcentrationsinprecipitationoverEastAsia[J].AtmosphericEnvironment,2002,36(26):4159-4171.[9]　LARSSENT,SEIPAHM,SEMBA,etal.AciddepositionanditseffectsinChina:anoverview[J].EnvironmentalSciencePolicy,1999,2(1):9-24.[10]　.[J].,2006,17(6):1099-1102.[11]　,,.[J].,2008,29(1):38-46.[12]　.[J].,2005,1(2):59-61.[13]　,,,.[J].,2006,26(6):1633-1639.[14]　,,,.:[J].,2004,15(9):1616-1620.[15]　,,.[J].,2007,18(9):291-295.[16]　WINCHESTERJW,ESCALONAL,MENGFJ,etal.At-mosphericdepositionandhydrogeologicflowofnitrogeninnorthernFloridaWatersheds[J].GeochimicaetCosmochimi-caActa,1995,59(11):2215-2122.[17]　NOREENP,RAYP,HOLLYG.Directwetanddrydeposi-tionofammonia,nitricacid,ammoniumandnitratetotheTampaBayEstuary,FL,USA[J].AtmosphericEnviron-ment,2001,35(23):3947-3955.[18]　DAVIDW,BRADH,HANSP.Importanceofatmospherical-lydepositednitrogentotheannualnitrogenbudgetoftheNe-useRiverestuary,NorthCarolina[J].EnvironmentInterna-tional,2003,29(2/3):393-399.[19]　,.[J].,2008,16(1):16-19.[20]　SCHINDLERDW.Effectsofacidrainonfreshwaterecosys-tems[J]