垂直流人工湿地在寒冷地区的应用李亚峰

　　:2005-10-25:(2004229001):(1960-),,,.:1671-2021(2006)02-0281-04李亚峰1,刘　佳1,王晓东2,孙浩诚3,关晓野3(1.,110168;　2.,110001;3.,110000)　:研究垂直流人工湿地在北方地区的应用效果,解决了人工湿地在北方地区冬季运行的问题,为北方地区寒冷气候下应用湿地技术提供了有利的技术支持与保证.在冬季增加保温措施后,通过对全年水质指标的监测,得到沈阳浑南人工湿地示范工程对生活污水中各项污染物的去除效果.生活污水的进水水质指标:化学需氧量(COD)为182～423mg/L,氨氮(NH3-N)为42.0～69.45mg/L,总磷(TP)为4.11～8.0mg/L,各项指标的平均去除率分别为92.36%、97.97%、89.81%.沈阳市浑南垂直流人工湿地不仅可以安全越冬,利用水流的进入和排出有效的与大气进行气体交换,缓解床体内氧气不足,大大提高了污染物的去除,且从效果上看,冬季的去除效果与其他季节的效果相似,并无大的变化.:;;;;:X703　　　:A　　　0　　.、、.,、.,,,、、、.,..,,,,,.,...1　1.1　,41000m2,6500m2,34000m2.1000t/d.2004915,2004118.1.2　()1000t/d;()3d;1.1.3　,、、200603222　()JournalofShenyangJianzhuUniversity(NaturalScience)　Mar.　2006Vol.22,No.22;.　　1　、(mg·L-1)CODBODSS≤300-≤100≤120≤10-2　2.1　、.,,.,,.:,;;;,;,..,,,.,.,,2004/2005、1、2.1　　　1,,,.、,,7℃,12℃.,,,11℃,13℃.,,.2　、　　2,2004/2005-17℃,-26℃.,.9℃,.(5℃),,.2.2　(1):,300mm.,,.(2)3,116m,56m,6500m2.,:0.50m,0.30m,,20～10mm().1m.,0.15m,0.20m.,,ΔQ≈0,,.282　　()223　3.1　20044,10/m2,2.5m,10.20055,3.3m,7℃.,,,,70/m2.200412～20051,20056～20058.200412～20051,20056～20058..3.2　COD174.1～423mg/L,267.5mg/L,17.88mg/L(3).3　COD、　　3,,,,.,,,COD.,COD.,,,,.3.3　NH3-N,COD,,700cm,,.,NH3-N,NH3-N.42.0～69.45mg/L,58.3mg/L,1.31mg/L(4).4　NH3-N、　　,,、.,NH3-H,.3.4　TPCOD,4.11～8.0mg/L,5.2mg/L,0.54mg/L(5).5　TP、　　5,TP.:,,,;,.,.,22:283　　;..,,,;,,.,,.3.5　TSS,TSS,,.:,98.7mg/L,..4　　(1),.(2),,.(3),,,.(4),COD、NH4-N、TP92.36%,97.97%,89.81%,TSS100%.:[1]　GearheartRA.Useofconstructedwetlandstotreatdomesticwastewater[J].cityofArcata,California.WaterScience,1992,26(7-8):1625-1637.[2]　ChongRW,FlinderA,KroghC,etal.Retrofihingofintermittentdecantedextandedaeration(IDEA)plantforenhancedphosphorusremoval[J].WarSciTeth,1999,39(1):151-158.[3]　ScottD.Wallace,JaimeA.Nivala,Thermalresponseofahorizontalsubsurfaceflowwetlandinzcoldtemper-ateclimate[J].IWASpecialistGroupontheUseofMacrophytesinWaterPollutionControlNewsletter,2005,29(2):5-7.[4]　TannerCC.andSukias.Accumulationoforganicsolidsingravel-bedconstructedwetlands.WaterScience&Technology,1995,32(3):229-239.[5]　JiGuodong,SunTieheng,ZhouQixing.ConstructedsubsurfaceflowwetlandfortreatingheavyoilproducedwateroftheLiaoheoilfieldinChina[J].EcologicalEngineering,2002,18(4):489-495.[6]　,,.[J].,2000,16(1):38-41.[7]　,,,.[J].,2004,20(6):47-49.[8]　,,,.[J].,2003,23(5):462-466.ApplicationandResearchofVerticalConstructedWetlandinColdAreasLIYa-feng1,LIUJia1,WANGXiao-dong2,SUNHao-cheng3,GUANXiao-ye3(1.SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang110168;　2.LiaoningProvin-cialPharmaceuticalPlanningandDesigningInstituteCo.,Ltd,110001;　3.DesigningandResearchInstituteofShenyangHun-nanNewDistrict,Shenyang110000)Abstract:Inordertostudysubsurfaceconstructedwetlandinnorthernareas,resolvetheoperationincoldclimateandsupplyreliabletechnologysupport,thepaperanalyzestheperformanceoftheShenyangHunnandemonstrationconstructedwetlandfortoremovecontaminantsfromdomesticwastewater.Theresultshowsthesubsurfacewetlandhas“breath”function,canmaintainwarmthbalanceinbed.WheninfluentindexesareCOD:182～423mg/L,NH3-N:42.0～70.55mg/L,TP:4.11～8.0mg/L,averageremoveratesare91.98%,97.6%,89.19%respectively.TheoperatingresultsshowthatHunnansubsurfaceconstructedwetlandcannotonlylivethroughthewinter,butexchangeoxygenfromairbymakinguseofinfluentandeffluent,compensatefortheoxygeninadequacyofthebed,andhelptoremovethecontaminants.KeyWords:verticalconstructedwetland;reedroot;media;removerate;coldareas284　　()22