胡茂永,刘春平,吴甫成(湖南师范大学资源与环境科学学院,长沙 410081) :,,、、。。,、。、,-。:;;;:X703 :A :1002-1264(2003)-0015-03FeasibilityStudyonSewageTreatmentofDongtingLakewithWetlandsHUMao-yong,LIUChun-ping,WUFu-cheng(DepartmentofResource&Environment,HunanNormalUniversity,Changsha 410081,China)Abstract:Basedontheexperiencesofsewagetreatmentwithwetlandinhomeandabroad,thepaperemphaticallyanalyzedtheefficiencyoftreatmentwithwetlandseco-systemandfoundthatconstructedwetlandshavetheadvan-tagesoflowinvestmentcost,lowenergy,lowoperationcost,highefficiency,easyhandlingandsoon.DongtingLakeisthesecondlargestlakeandthebiggestofwetlandeco-systemconservationareainChina.Inrecentyears,ourgovernmenthasbeencarryingoutmanyprojectsinthearea,forinstance,recovery,immigratingandsoon.OntheprinciplesofefficientandeconomicalandthefactsofDongtingLake,thepaperproposedthatapplicationofcon-structed-naturalwetlandforsewagetreatmentbetheoptimalplanandhavewideprospectinthefutureofDongtingLakearea.Keywords:wetland;DongtingLake;sewage,treatment1 ,,,,,、[1,2]。 、,。,、。1953,Dr.KatheSeidel,(、、)[3]。2060,,Dr.Kickuth,“”,,,N,P。2070,Othfrensen[4,5]。,。,,,[6]。 。1990,。。。,,,、、,,、。2 。,,,,、,,。 、[4]。。151620036URBANENVIRONMENT&URBANECOLOGYVol16,SupplJun. 2003:(CN008802-YZ08/China);(01JJY3014) :2002-12-16。、、、、、,。。1。1 ,,0.1m,。,0.5m,。,、,,、。3 3.1 。,,BOD585%~95%,COD80%,BOD510mg/L,SS20mg/L[7,8],GB8978—1996(BOD5≤30mg/L,SS≤30mg/L)(1)[4]。1 (cm/d)BOD5(mg/L)(mg/L)(%)SS(mg/L)(mg/L)(%)Ringste5.701891194243698 1.7118915922432391BlutherBurn 10.97207497616726846.24207437916717909.392073086167268410.0920751751671790Santeu 、4.68118.35.39658.13.794、4.68118.322.38158.17.986、4.68118.330.47458.15.5914.68118.336.46958.15.690 ,,[7];,。 N、P,60%、90%[6],N、P20%~40%。N、P,,,,[8]。3.2 、 ,1/10~1/2。[9],(2)。,,、。3、3[4]。,,,,CO2、SO2,。2 ()()()(/t)()(/t)33006601000.203190.17515008331000.204200.64 57457436.50.20102.40.2848.91382.00.02003 ()1857485480.2(hm2)1.675.634.67()12443.835.8 ,,,,。,10,。4 4.1 ,,、、、,2625km2,,,1992《》。4.1.1 ,,,,,,。16.4℃~17.0℃,10℃246~256d,277d。1200~1400mm,。,,,,。4.1.2 16 16 2003 、,、。、,、、,、、,(Miscanthussaccharifious)、(Phragmitascommunis),700km2,[10]。:,,,。4.1.3 80%,,,、,,,,,。,。4.2 ,,,、,“4350”2625km24350km2,,,,,,。,50%。、、、。1999,、100,2t,COD170201.3t,BOD537128.1t,36619.65t,2487t。,、,9945.2t5689t,49.6%28.4%。CODBOD581.7%79.13%,。、、,。19979~101996,、,、。—。[11]。1990-,8,、,1.10mg/L0.110mg/L。,,。 ,、。,。60%。。4.3 ,,,,-,,,,,。 ,,,。。,,、、———、。[1] .[J].,1998,(1):41-42.[2] ,.[J].,1998,18(5):542-544.[3] Seidel,K..Abbauvonbacteriumcolidurchhoherewasserpflanzen[J].Naturwiss.,1964,51,395.[4] .[J].,1995,3(6):1-8.[5] ReportofaVisitbyA.G.BoontoCanadaandtheU.S.AtoIn-vestigatetheUseofWetlandsfortheTreatmentofWastewater,8-28th,March,1986.[6] ,,,.[J].,1999,32(6):88-92.[7] ,.———[J].,1996,9(1-2):1-8.[8] ,.[J].,1997,10(3):1-5.[9] ,,,.[R],,1991.[10] ,,.[A].,[M].,2001.[11] ,.[M].,2000.:(1977-),,,,,3。17,