复合垂直流构建湿地的设计方法及净化效果吴振斌

:1006-155X(2003)01-012-05吴振斌1,詹德昊1,2,张　晟1,成水平1,傅贵萍1,贺　峰1(1.,　430072;2.,　430074):,,.(CODCr),(BOD5)(TSS)66.1%,76.7%72.4%.,CODBOD582.6%85.8%.、、、,,.:;;-;;:X171.4　　　:A　　2070[1].、、、[1～3],,、、、[1～6].“”,、、[1～8].,、,、、、[9].(IntegratedVerticalFlowConstructedWetland),.1　IVCW150,[9],.,,,,,.1990,“”.1.1　“”,、(ERBIC18CT960059).,,.,10～20cm..1.[10].,,,.,、.IVCW,:2002-08-15:(1956-),,,,,、.:(39925007)(KSCX2-SW-102).36120032()EngineeringJournalofWuhanUniversityVol.36No.1Feb.20031　.1.2　、.、[5]..IVCW,.IVCW.BODCOD;NH+4-N;[11].IVCW(TP)、(IP)COD,(KN)[12]..,[13,14].,,,[7]..,.,(、、、、)[15].2　IVCW,:Wolverton6;Ten-nesseeValleyAuthority(TVA)TVA[9].,,,.、,.、、、、IVCW.2.1　、,.,IVCW,.IVCW,.,,,,.2.2　IVCW,IVCW、、IVCW.,,　1:13　　　;;,.,,.,.,;,,,.2.3　,.[16].()、、、IVCW.,.2.4　,.IVCW.2.4.1　根据水力负荷计算、,,,IVCW.As=Qα×1000:AsIVCW,m2;Q,m3/d;αIVCW,mm/d.,.,2000mm/d,,1000mm/d.80～620mm/d[6].2.4.2　根据降解的BOD5计算Kikuth:As=5.2Q(lnC0-lnCt)[1]:AsIVCW,m2;Q,m3/d;C0BOD5,mg/L;CtBOD5,mg/L.2.4.3　根据湿地植物输氧能力计算:RO=1.5L0[1]:RO,kg/d;L0BOD5,kg/d.R′OR′O=TO·As1000:R′O,kg/d;TO,g/(m2·d);5～45gO2/(m2·d),20gO2/(m2·d)[1].IVCWAs.,[1].2.5　IVCWAs,.,,2∶1..IVCW,60～70cm;、、,45～55cm[3].,15～20cm.,IVCW80～120cm.,10～20cm.2.6　IVCW、、、、.、,;,;、.0～16mm.0～4mm,15～25cm;4～8mm(8～16mm).16～32mm.2.7　.、[3],、、、、.Per-fler,,[17].,、,　14　　　()2003,.2.8　IVCW、、、、、.,.,,0.05/(m3·d),.:IVCW.1,,,、、,,.1　[4,18]/m3/m3m2/m315008330.201.205745740.201.2042.91380.022.794.228010.656056.23510.092.13　IVCW,.,9m×9m×1m.15cm(40～80mm),0～4mm,55cm,45cm.10cm..、.,,.,,.,,,.2～4.800mm/d.3.1　(),2.2　()[12]CODcrmg/LBOD5mg/LTSSmg/LKNmg/LTPmg/LIPmg/L46.77.8910.84.370.300.11(19.2)(4.18)(5.7)(2.8)(0.17)(0.10)　:.　　GB3838-2002《》V,.3.2　1998,.,[19].3.3　[12]%CODcrBOD5TSSKNTPIP66.176.772.463.376.771.6　　60%,GB3838-2002Ⅲ,Ⅱ.,,IVCW,.4　,,、.、.,1999“　1:15　　　”.,,.,IVCW,,.4,,,,.4　DOCODMnBOD5TP/mg·L-10.4738.4738.653.0820.172/mg·L-16.826.715.470.3610.030/%/82.685.886.282.65　　,:(1),COD、TSSBOD566.1%,72.4%76.7%;COD82.6%,BOD585.8%.(2)-、N,P,.,,.(3)、、、,、.GB3838-2002Ⅲ—Ⅱ.(4),,,.IVCW,,.:[1]　,.[J].,1993,14(2):39-43.[2]　,,　,.[J].,1999,32(6):88-92.[3]　.[M].:,1997.[4]　,,　,.[J].,1991,10(9):41-46.[5]　.[J].,1996(1-2):1-8.[6]　　,,,.[J].,1991,4(5):17-22.[7]　.[J].,1995,16(3):83-86.[8]　,.[J].,2000,19(2):8-12.[9]　SherwoodCR.[J]..,1994(6):15-24.[10]　,,,.[J].,2001,22(5):45-49.[11]　.[J].,1995(2):140-144.[12]　,　,,.[J].,2001,21(5):622-624.[13]　BrixH.Functionsofmacrophytesinconstructedwetlands[J].Wat.Sci.Tech,1994(29):71-78.[14]　,.[J].,1998,17(2):47-51.[15]　　,.[J].,2000(3):32-37.[16]　,.、[J].,1996,12(1):47-51.[17]　ReinhardP,JohnnesL,etal.Constructedwetlandsforre-habilitationandreuseofsurfacewaterintropicalandsub-tropicalareas—firstresultsfromsmall_scaleplotsusingverticalflowbeds[J].Wat.Sci.Tech..1999,40(3):155-162.[18]　,,.[J].,1993,12(8):21-24.[19]　《》.(3)[M].:,1989.(下转第41页)　16　　　()2003ApplyingmixedlanguageprogrammingtorealizevisualizationofoutputsofcomputationalfluiddynamicsJIANGGuo_qiang,LIWei,NAYu_tong(SchoolofWaterResourcesandHydropower,WuhanUniversity,Wuhan430072,China)Abstract:Somekeytechniquestorealizevisualizationfortheoutputsofcomputationalfluiddynamicsbyusingmixedlanguageprogramming,arediscussed.Asanexample,interactivecontrolledflowfieldnumericalsimulationanditsre-al_timevisualizationoftwodimensionalPoiseuilleflowdrivenbydifferenttemperatureisimplemented.Thetechniquespresentedarehelpfultoovercomesomeshortcomingsincommonnumericalmodel,whichcannotrealizevisualizationandinteractivecontrollingduringthecourseofcomputation.Keywords:mixedlanguageprogramming;visualizationinscientificcomputation;hybridfiniteanalyticmethod;Poiseuilleflow(上接第16页)DesignmethodandpurificationefficiencyofintegratedverticalflowconstructedwetlandWUZhen_bin1,ZHANDe_hao1,2,ZHANGSheng1,CHENShui_ping1,FUGui_ping1,HEFeng1(1.StateKeyLaboratoryofFreshwaterEcologyandBiotechnology,InstituteofHydrobiology,ChineseAcademyofSciences,Wuhan430072,China;2.CollegeofEnvironmentalScienceandEngineering,HuazhongUniversityofScienceandTechnology,Wuhan430074,China)Abstract:Thetheoryanddesignmethodofintegratedverticalflowconstructedwetland(IVCW)areexplained;thein-vestmentandoperationcostareanalyzedandthepurificationefficiencyofthesystemtreatingcontaminatedsurfacewa-terisalsodemonstrated.Theresultsofthepilotsystemshowthattheremoveratesofchemicaloxygendemand(CODCr),fiveday'sbiochemicaloxygendemand(BOD5)andtotalsuspendedsolids(TSS)are66.1%,76.7%and72.4%respectively.Afull_scalesystemtreatingpollutedsurfacewaterisintroduced,itshowsthatthesystemcanre-move82.6%CODand85.8%BOD5.IVCWisapracticalandeffectivewastewatertreatmentsystemwithlowinvest-mentandoperationcost,itiseasytooperateandmaintainwithhighqualityeffluentsothatcanmakesignificantcon-tributiontothewaterqualityimprovementandrehabilitationofaquaticecosystems.Keywords:wastewatertreatment;constructedwetland;downflow_upflow;designmethod;purificationefficiency　1:41