复合塘湿地系统水生植物时空分布对氮磷去除的影响彭剑峰

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2004,13(4):508-511@jeesci.comGA02C201-011977E-mail:pjf1995@163.com2004-06-071.1500902.266003/NH3NOx-NH329.5%30.1%16.9%17.8%24.5%19.4%NOx-0.4mg/L32.3%28.1%/NH38.5%11.5%X703.1A1672-2175200404-0508-04[1,2][3](lifeform)-,(HFPs)?(APs)?(AFPs)?(FPs)?(HPs)?(CWs)200120032~3DOHach-16046pHPHS-3C(2mm)APHA1995NOx--N0.5m1000mL15mL24h30mL0.1mL1(Chlorellavul-garis)(Anabaenaazotica)(Synerdiaacus)(Selenastrum)020040060080010001200140016001800HFPsAPsAFPsFPsHPsCWs/(104L-1)DOI:10.16258/j.cnki.1674-5906.2004.04.012-509020406080100120123456789101112NH3/(%)HFPsAPsAFPsFPsHPsCWs(Duckweed)(Ceratophyllumdemersum)???(Oscillatoria)(Chroomonasacuta)pHDOpHDOpHDO2NH3NH3()NH3NH3NH3/3NH3CO2O2DOpH/[4]NH32NH3NH329.5%16.9%24.5%pHNH3pH3NH3NH3SSBOD5NH3(1)SenziaKemp[5,6]NH3DOpH/NH3NH3NH33(39.7%)32.3%28.1%(r2=0.71)[7]()4NOx-NOx-NOx-NOx-0123456HFPsAPsAFPsFPsHPsCWs/(mg•L-1)24681012510134200411/[8]DONOx-NOx-4NOx-0.4mg/L4NOx-6~10NOx-NOx-0.2mg/L46~8NOx-5(TP)TP()TP(1~4)TPTP(7~11)TPTP,30.1%17.8%19.4%TP5~6TPTPTPFe3+Ca2+Al3+pHDOTPTPTP12NH3TPNOx-3NH3TP[1]KATRINT.Phytoplankton,pelagiccommunityandnutrientsinadeepoligotrophicalpinelake:ratiosassensitiveindicatorsoftheuseofP-resources(DRPDOP:PPandTNTPSRSi)[J].WaterResearch,2003,37(7):1583-1592.[2],.[J].,2004,24(2):151-154.[3]CANOVASS,PICOTB.Seasonaldevelopmentofphytoplanktonandzooplanktoninahigh-ratealgalpond[J].WaterScienceTechnology,1996,33(7):199-206.[4]KIMY,KIMW.Rolesofwaterhyacinthsandtheirrootsforreducingalgalconcentrationintheeffluentfromwastestabilizationponds[J].WaterResearch,2000,34(13):3285-3294.[5]SENZIAMA,MASHAURIDA.Suitabilityofconstructedwetlandsandwastestabilizationpondsinwastewatertreatment:nitrogentrans-formationandremoval[J].PhysicsandChemistryoftheEarth,2003,28(3):1117-1124.[6]KEMPMC,GEORGEDB.Subsurfaceflowconstructedwetlandstreatingmunicipalwastewaterfornitrogentransformationandre-moval[J].WaterEnvironmentalResearch,1997,69(7):1254-1262.[7]BURFORDMA,LORENZENK.Modellingnitrogendynamicsinintensiveshrimpponds:theroleofsedimentremineralization[J].Aquaculture,2004,229(1):129-145.[8]MICHALG,ERANF.Enhancingnitrificationinverticalflowcon-structedwetlandutilizingapassiveairpump[J].WaterResearch,1998,32(12):3513-3520.00.20.40.60.811.2HFPsAPsAFPsFPsHPsCWsNOx--N/(mg•L-1)24681012020406080100120123456789101112TP/%HFPsApsAFPsFPsHPsCWs-511EffectofspatiotemporalpatternsofhydrophytesonNandPremovalinamultistageponds-wetlandstreatmentsystemPENGJian-feng1,WANGBao-zhen1,XIASheng-ji1WANGLin21.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.OceanUniversityofChina,Qingdao266003,ChinaAbstract:Theeffectsofvariationsinhydrophytesonnitrogenandphosphorusremovalwereevaluatedindifferentunitsofacom-binedpond-wetlandwastewatertreatmentfacility,basedontheheterogeneityofspatiotemporalpatternsofhydrophytesinthesesys-tems.Variationsinspeciesandbiomassofhydrophytesledtoperiodicvariationsinnitrogenandphosphorusremovalineachunit.HydrophytesaffectedtheremovalofNH3,NOx-,totalphosphorusandorganicnitrogenthroughinfluencingratesofvariousmecha-nisms,especiallynitrification-denitrification,chemicalprecipitationandmetabolismofalgae.Differentmechanismsinvolvedinnitrogenandphosphateremovaldeterminedthatdifferentspeciesofnitrogenandphosphatearemainlyremovedindifferentunit.Briefly,theremovalofNH3andtotalphosphorusmainlyoccurredinaeration-fishponds(29.5%,30.1%),fishponds(16.9%,17.8%)andhydrophyteponds(24.5%,19.4%);theremovalofNOx-mainlyoccurredintheconstructedwetland(0.4mg/Linfinaleffluent);andtheremovaloforganicnitrogenmainlyoccurredinhybridfacultativeponds(32.3%)andfishponds(28.1%).Additionally,con-structedwetlandexhibitsrelativelylowpotentialofremovingNH3andtotalphosphate,lessthan8.5%and11.5%respectively,ow-ingtoitshighcapacityoffiltratingalgaeandsubsequentmineralizationofalgaebiomass.Keyword:hydrophytes;nitrogen;phosphorus;eco-pond;constructedwetland[4].3[M].:,1998.[5]FUKASET,SHIBATAM,MIYAJIY.Factorsaffectingbiologicalremovalofphosphorus[J].WaterScienceandTechnology,1985,17:187-198.[6]WARANGKANAPUNRATTANASIN.InvestigationoftheeffectsofCOD/TPrationontheperformanceofabiologicalnutrientremovalsystem[D].BlacksburgVirginia:VirginiaPolytechnicInstituteandStateUniversity,1997.[7],,.()[J].,1998,24(8):69-73.Influencingfactorsofanaerobic-oxicbiologicalphosphorusremovalprocessLIJie1,XIONGBi-yong2,ZHANGJie1,21.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.KeyLabofWaterQualityScienceandWaterEnvironmentRehabilitationEngineering,BeijingUniversityofTechnology,Beijing100022,ChinaAbstract:Theanaerobic-oxicbiologicalphosphorusremovalprocesswasemployedtoinvestigatetheinfluenceandcontrolstrategyoftwomajorfactors,theinfluent?(COD)/?(TP)ratioandtheBODload.Theresultsindicatedthatthehighratioofinfluent?(COD)/?(TP)wasinfavorofthephosphorusremoval.P-releasehadapositivecorrelationwithCOD-uptakeinanaerobiccondition.Theinfluent?(COD)/?(TP)ratiohadnosignificantinfluenceontheremovalofCOD.ThedatasuggestedthatPHBproductionwas

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