菖蒲人工湿地对城市生活污水的净化研究曹优明

:,,1964,,,,。＊(No.KJ061204)。菖蒲人工湿地对城市生活污水的净化研究＊曹优明(,402168)　　　、3,。,TP、TN、NH+4-N、,,99.7%、85.8%、99.5%、99.3%;COD,,83.2%。,,,。　　　　　　Urbansewagetreatmentperformanceofcalamusartificialwetlandsfilledwithsoiland/orcoalash　CAOYouming.(CollegeofChemistryandEnvironmentEngineering,ChongqingUniversityofArtsandSciences,Chongqing402168)Abstract:　Labscalecalamusartificialwetlandsystems,usingsoil,pulverizedcoalashandsoil/coalash(equalvolumemixtureofsoilandpulverizedcoalash)asthefillingmaterial,werecomparedinsewagetreatmentatvaryinghydraulicloadingratesof1,2,3and5L/d.Theresultshavedemonstratedtheoutstandingtreatmentperformanceofallwetlandsystemsespeciallyatthelowloadingratesaswellasthebenefitsofincludingcoalash.Overall,thecoalashsystemaccomplishedthemostremovalsofTP,TN,NH+4-Nandturbidity;thesoil/coalashsystemwasbestinremovingCOD.Keywords:　calamusartificialwetland;urbansewage;removalefficiency;coalash　　,,。,,。,1500～2000/t,0.70～1.20/t[1]。,,,,,,,、、。,,、、[2]。,,。1953,Max-PlanckSEIDEL,,Max-Planck,[3]。SEIDELKICKUTHKICK-UTH1972“”,,[4]。1974,、。,。“”,,,。[5]158。,。[6]、CODTN。,,,。[7]/。,COD、、·54·　　32　12　201012DOI:10.15985/j.cnki.1001-3865.2010.12.011、、92.19%、99.62%、93.98%、97.02%、96.87%96.39%。,,。,。1　1.1　实验主要试剂、仪器:WGZ-1A;YX-280B;752—;722E;85-1;。　　:、、、、、、、、、、、、、、、、、,。1.2　城市生活污水来源《》(GB12998—91)()。1.3　实验流程设计1。1　Fig.1　Flowdiagramoftheexperimentalstudy1.4　实验装置2。、。6cm,20cm。38cm,5cm。6cm,10cm。10cm,。　　(20cm)、(20cm)(10cm)(10cm),,1#、2#、3#(1#、2#、3#)。1.5　植物的栽培及驯化9,11cm,12cm。,,1,55d,35d,4d,。3。1.6　监测方法TP《》(GB11893—89);TN《TN》(GB11894—89);NH+4-N《》(GB7479—87);COD《》(GB11914—89);。1.7　实验方法2,,1L/d3d。3d,。,2d,。2、3、5L/d。2　2　Fig.2　Schematicdrawingofthelabscalewetlandsystem·55·　1　1L/d1#、2#、3#、1)Table1　Treatmentperformanceofthewetlandsystemsoperatingat1L/dTPTNNH+4-NCOD3.2731.5930.27440.7880.301#0.135.610.2581.241.601#96.082.299.281.698.02#0.054.470.1476.560.602#98.585.899.582.699.33#0.066.320.2774.152.203#98.280.099.183.297.3　　:1)NTU,%,mg/L。24。2　2L/d1#、2#、3#、Table2　Treatmentperformanceofthewetlandsystemsoperatingat2L/dTPTNNH+4-NCOD2.9929.7931.51436.2678.901#0.188.610.4580.122.301#94.071.198.681.697.12#0.017.510.2975.451.002#99.774.899.182.798.73#0.338.020.3673.126.203#89.073.198.983.292.13　3L/d1#、2#、3#、Table3　Treatmentperformanceofthewetlandsystemsoperatingat3L/dTPTNNH+4-NCOD3.0532.3230.58446.8481.801#0.4610.120.8995.147.201#84.968.797.178.791.22#0.118.360.5890.165.802#96.474.198.179.892.93#0.5012.051.2385.756.403#83.662.796.080.892.24　5L/d1#、2#、3#、Table4　Treatmentperformanceofthewetlandsystemsoperatingat5L/dTPTNNH+4-NCOD3.0334.3132.41452.5283.401#0.6812.607.81113.2626.401#77.663.375.975.068.32#0.2317.714.38102.3114.532#92.448.486.577.482.63#0.9619.029.6997.5619.403#68.344.670.178.476.7　　1、2、3、5L/d1#、2#、3#、14。3　3.1　TP净化效果TP3。3,,TP。2#TP,,5L/d92.4%。70%～80%,,[8]。、,、,。3TP68%,TP《》(GB8978—1996)(1.0mg/L)3.2　TN净化效果TN4。TN[5]159。·56·　　32　12　201012。,,TN,TN,,,。4,,3TN,TN。,3#TN。2～3L/d,1#、2#TN,1#、2#,TN。,,TN。3.3　NH+4-N净化效果NH+4-N5。5,,3NH+4-N。,3NH+4-N,NH+4-N、、,NH+4-N[9]。5　NH+4-NFig.5　EffectofhydraulicloadingonNH+4-Nremoval3.4　COD净化效果COD6。6,1～2L/d,3COD;2L/d,3COD。3#COD,83.2%,2#,1#。6　CODFig.6　EffectofhydraulicloadingonCODremoval3.5　浊度净化效果·57·　7。7,3,2#,2#,、。7　Fig.7　Effectofhydraulicloadingonturbidityremoval4　　TP、TN、NH+4-N、,,99.7%、85.8%、99.5%、99.3%;COD,,83.2%。,,,。:[1]　.[J].,1999(5):26-27.[2]　.[J].,2005,30(6):63-65.[3]　HOUSECH.Combiningconstructedwetlandsandaquaticandsoilfilterforreclamationandreuseofwater[J].EcologicalEn-gineering,1999,12(1):27-38.[4]　GERSBERGRM,ELKINSBV,LYONSR,etal.Roleofa-quaticplantsinwastewatertreatmentbyartificialwetlands[J].WaterResearch,1986,20(3):363-368.[5]　,,,.[J].,2005,16(1).[6]　,,,.COD、[J].,2004,15(12):2337-2341.[7]　,,./[J].:,2000,17(3):51-56.[8]　,,.[J].,2005,18(6):45-49.[9]　.[J].,2002,21(1):69-71.编辑:黄　苇　(:2010-05-31)(上接第34页),。:[1]　ELKHATIBEA,BENNETTOL,WRIGHTRJ.Arsenitesorptionanddesorptioninsoils[J].Soil.Sci.Soc.Am.J.,1984,48(5):1025-1030.[2]　,.[J].:,2005,24(4):89-91.[3]　LIUYunguo,XIAWenbin,HUANGBaorong,etal.Applica-tionofimmobilizationandwashingtechnologiestotheremedi-ationofheavymetalcontaminatedsoil[J].JournalofCentralSouthUniversityofForestry&Technology,2008,28(4):129-135.[4]　.[J].,2002,3(8):36-40.[5]　TOKUNAGAS,HAKUTAT.Acidwashingandstabilizationofanartificialarsenic-contaminatedsoil[J].Chemosphere,2002,46(1):31-38.[6]　POLETTINIA,POMIR,ROLLEE,etal.Akineticstudyofchelant-assistedremediationofcontaminateddredgedsediment[J].JournalofHazardousMaterials,2006,137(3):1458-1465.[7]　PAPASSIOPIN,TAMBOURISS,KONTOPOULOSA.Re-movalofheavymetalsfromcalcareouscontaminatedsoilbyEDTAleaching[J].Water,AirandSoilPollution,1999,109(11):1-15.[8]　NAIDUR,HATERRD.Effectofdifferentorganicligandsoncadmiumsorptionbyandextractabilityfromsoils[J].SoilSci-enceSocialAmericanJournal,1998,62(33):644-650.[9]　,,,.Cd[J].,2007,26(6):762-767.[10]　,,,.As(Ⅴ)[J].,2005,37(6):645-648.[11]　ALAMMGM,TOKUNAGAS,MAEKAWAT.Extractionofarsenicinasyntheticarsenic-contaminatedsoilusingphos-phate[J].Chemosphere,2001,43(8):1035-1041.[12]　,,,.[J].,1999,36(2):189-197.编辑:陈泽军　(:2010-08-18)·58·　　32　12　201012