10复合人工湿地对城市受污染河水的净化效果余志敏

44Vol.4,No.420104ChineseJournalofEnvironmentalEngineeringApr.2010131,23111(1.,510642;2.;510642;3.,210008)2,1:2,TNTPCODSS50%85%85%80%;2,,;X703A167329108(2010)0420741205RemovalefficiencyofintegratedconstructedwetlandsfortreatingpollutedriverwaterYuZhimin1YuanXiaoyan3CuiLihua1,2ZhuXizhen1ZhuWenling1LiYajing1(1.CollegeofNaturalResourceandEnvironment,SouthChinaAgriculturalUniversity,Guangzhou510642,China;2.KeyLaboratoryofAgroecologyandRuralEnvironmentofGuangdongRegularHigherEducationInstitutions,SouthChinaAgriculturalUniversity,Guangzhou510642,China)3.InstituteofSoilScience,ChineseAcademyofSciences,Nanjing210008,China)AbstractTwokindsofintegratedconstructedwetlandswereusedforthetreatmentofpollutedriverwaterinKunmingcity.Theresultsshowedthatthetwointegratedconstructedwetlandsystemshadgoodpurificationef2ficienciesforpollutedurbanriverwater,themonthlyaverageremovalratesofTN,TP,CODandSSweremorethan50%,85%,85%and80%,respectively.Thetwointegratedconstructedwetlandsystemscouldsufferhighhydraulicloadingrateshock,andseasonalvariationofclimateinKunmingcityhadnosignificantinfluenceontheeffluentqualityofthetwointegratedconstructedwetlands.Theperformanceofverticalup2flowwithverticalup2flowconstructedwetlandswasbetterthanthatofverticalup2flowwithhorizontalflowconstructedwetlands.Heavyrainfallcouldaffecttheeffluentquality.Keywordsintegratedconstructedwetland;pollutedriverwater;purificationefficiencies;seasonalchan2ges:(863)(2005AA601010202);(2006168402);(2007A02010000222,2008A080800028,2008A020100010):2009-04-16;:2009-05-14:(1981),,,,3,E2mail:[e-mail][13],,,4863,(),,,,1715km4,400m3,3.12m3/s,80%V,,,,:1(ZL200410027422.4)2(:200810199011.1),,1111,,,PVC,,,1121#2#3#,1#2#2,LWH18m8m111m,LWH18m8m018m;3#,LWH18m8m117m,LWH18m8m114m,3019m,;016m,,,,:(Cannageneralis)(Loliumpe2renneLinn)(Irispseudacorus)(Cype2rusalternifolius)(TyphaorientalisPresl)(Scirpuscrassipes),113,,01651196m3/(m2d),,2007420084,114[4]TN:;TP:;COD:;NH32N:;SS:11511Table1QualityofsewageinHaiheRiver,KunmingCity(mg/L)NH32N21.7134.8028.74(3.39)TN10.5050.0033.8(6.72)TP0.606.433.53(1.03)COD23.59506.3188.68(78.11)SS1.61361.00101.60(112.79):(S.E.),n=592211TN20074,51#,3#,62#1#,3#1,23,,TN,2#TN,55%;1#2#,50%3#TN,40%,,3#1#2#,,,,,,[5],TN2474:1TNFig11RemovalefficiencyofTNbyintegratedconstructedwetlandsystems212TP2,TP,,1#2#85%,3#80%2,SiO240%50%Al2O330%35%Fe2O34%20%CaO1%5%[6],[710],TP2TPFig12RemovalefficiencyofTPbyintegratedconstructedwetlandsystems213COD3,COD,,COD[11,12],,;[13],,,,1#2#89%,3#85%3CODFig13RemovalefficiencyofCODinintegratedconstructedwetlandsystems214SS4,,,SSSS,,,SS,SS[14],,1#80%,2#90%,3#,SS,76%4SSFig.4RemovalefficiencyofSSbyintegratedconstructedwetlandsystems215,2,,,,,3474[1519],,,,,,(0105),Allen[20]2,,TNTPCOD,SS,,,,(1)66195%,2Table2RemovalefficiencyoftheintegratedconstructedwetlandsystemindifferentseasonsTN(mg/L)(%)TP(mg/L)(%)COD(mg/L)(%)SS(mg/L)(%)1#14.5046.710.2987.5517.8185.1232.0474.4216.3041.930.6477.2721.5787.255.5377.3315.3560.120.3492.2830.6089.612.8684.6215.2461.650.3292.1327.4392.601.8291.932#11.8859.250.3187.3216.9088.818.0368.5811.7562.200.2194.5821.5386.682.3784.3913.3463.290.2892.7732.6388.653.2497.2214.4663.700.3292.1127.0192.792.0788.363#17.5334.370.6468.0530.0777.0831.6871.0920.0634.740.7379.5746.2369.388.0664.4920.6344.690.6681.9732.8089.057.8160.2620.9947.160.6184.6029.8591.925.1867.463(1),TNTPCODSS50%85%85%80%TNTPCODSS43%83%85%76%,(2),,(3)(1890m),,,[1]GreenwayM.SuitabilityofmacrophytefornutrientremovalfromsurfaceflowconstructedwetlandsreceivingsecondarytreatedsewageeffluentinQueensland,Australia.WaterScienceandTechnology,2003,48(2):121128[2]..,1991,4(5):1722[3]BhamidimarriR.Constructedwetlandsforwastewatertreat2ment:TheNewZealandexperience.WaterScienceandTechnology,1991,24(5):247253[4].(4).:,2002[5]LimP.E.,WongT.F.,Lim.D.V.Oxygendemand,nitrogenandcopperremovalbyfree2water2surfaceandsub2surface2flowconstructedwetlandsundertropicalconditions.EnvironmentInternational,2001,26:425431[6]..,1993,(3):1011[7]AnuLiikanen,MarkkuPuustinen,JariKoskiaho,etal.Phosphorusremovalinawetlandconstructedonformerara2bleland.Environ.Qual.,2004,33:112411324474:[8]USEPA.Manualconstructedwetlandstreatmentofmunici2palwastewater(EPA/625/R299/010).Cincinnati,Ohio:OfficeofResearchandDevelopment,NationalRiskMan2agementResearchLaboratory,1999[9]StummW.,MorganJ.J.Aquaticchemistry:Anintroduc2tionemphasizingchemicalequilibriainnaturalwaters.NewYork:John&Sons,1970.583[10],,,.2.,2003,14(4):597600[11]ReddyK.R.Fateofnitrogenandphosphorusinwastewa2terretentionreservoircontainingaquaticmacrophytes.En2viron.Qual.,1983,12(1):137141[12]ZhuT.,JenssenP.D.,MahlumT.,etal.Phosphorussorptionandchemicalcharacteristicsoflightweightaggre2gates2potentialfiltermediaintreatmentwetlands.Wat.Sci.Tech.,1997,35(5):103108[13],..,2004,24(3):48[14]ZachritzW.,FullerJ.Performanceofanartificialwet2landsfiltertreatingfacultativelagooneffluentatCarville,Louisiana.Water.EnvironmentResearch,1993,65(1):4652[15]KnightR.L.,MckimT.W.Performanceofanaturalwetlandtreatmentsystemforwastewatermanagement.WPCF,1987,59:746754