复合型前置库系统去除面源主要污染物的研究

J．LakeSci．(湖泊科学)，2013，25(3):352-358．jlakes．org．E-mail:[e-mail]2013byJournalofLakeSciences*边博1，吴海锁1，徐志荣2，王惠中1，姜伟立112100362210098、、、．1d、、CODCr67．2%、68．2%89．3%2～3d．SS、、、15μm2～3d．Eliminatingnon-pointsourcepollutioninapre-damcomplexsystemintheTangmaRes-ervoirJiangsuProvinceBIANBo1WUHaisuo1XUZhirong2WANGHuizhong1＆JIANGWeili11JiangsuProvincialAcademyofEnvironmentalScienceNanjing210036P．R．China2CollegeofEnvironmentHohaiUniversityNanjing210098P．R．ChinaAbstractInthisstudytheefficienciesofapre-damcomplexsystemfornon-pointsourcepollutioncontrolwasinvestigatedforthemanagementoftheTangmaReservoirinLiyangCityJiangsuProvince．Thepre-damcomplexiscomposedofsettlingareaAshallow-waterareaBdeep-waterarea1Cdeep-waterarea2DsurfaceflowwetlandEandbiologicalmembranepurificationareaF．Theresultsshowedthatthepre-damcomplexsystemunderthestudycontributedtosignificantimprovementinthequalityofagriculturalnon-pointsourcepollutionflowingthroughthepre-dam．TheremovalofTNTPCODCrcouldbeupto67．2%68．2%and89．3%respectivelywhentheretentiontimewas1d．Theremovalefficiencywasincreasedwithincreas-ingofretentiontimewhiletheincrementwassmallandstable．MoreoverincreasedareasEandFcouldsignificantlyimprovetheremovalsofSSTNTPandCODCrparticularlythesmallerSSwhichwasconsistedofsizelessthan15μm．Furthermorebasedonlaboratoryresultsitwassuggestedthattheretentiontimebe2-3dintheTangmaprojectandthesystembeoptimizedtoimprovethepurificationefficiencyandhighutilizationofthearea．KeywordsNon-pointsourcespollutionpre-damcomplexsystemfunctionalareasnutrientsSSTangmaReservoir．、1-2．、．、、、3．*[e-mail]．边博等:复合型前置库系统去除面源主要污染物的研究353、．1950sUhlmann4、Nyholm5、Fiala6、．7-8、9-1011-1213．、．、．、、14-1511NH+4-N、TN1/4．、111416-17、．SS、、．11．16A、B、CD、E、F1a4ABCD．、E．、、、．1b．B0．20m0．30m．12-1B、CD、E、BCDE50/m2、25/m2、36/m255/m2．Fd×h15mm×5mm1940mm1．8L/min．1．2TN2～8mg/LNH+4-N0．8～3．0mg/LSS20～50mg/LTP0．8～2．8mg/LCODCr20～90mg/L140L45/minSS．0．28m3/d．SS39．28%2．72%d10、d50、d902．236、15．04253．091μm、、、1．5、．1F12h24h《354J．LakeSci．(湖泊科学)，2013，25(3)》18SS、TN、NH+4-N、CODCr、TP、TDP．NH+4-N、NO－3-N、TDP0．45μm．Mastersize2000MalvernInstrumentsLtdUK．1abFig．1Processflowaandschematicdiagrambofanintegratedpre-dam1．3η、δ、φ、λεη=CoutF/Cin×100%1δ=Couti/Cini×100%2φ=Couti/Cin×100%3λ=Qi/∑Qi×100%4ε=λi/Ai5CoutFFmg/LCinmg/LCoutimg/LCinimg/LiAim2Qimg∑Qimg．22．1SSSS12hSS80%48h90%SS＞48hSS．SS48h．DF36hEFSS8．51%36h3%2a．边博等:复合型前置库系统去除面源主要污染物的研究355ASS66．8%BE10%BEF1．48%．AEBB2．AEB2b．2bEFSS12．5%E．2SSa12h、bFig．2TheinfluenceofretentiontimeonSSremovalinpre-damaandcontributionratewithretentiontimeof12hbfordifferentfunctionalareas72hSS5～40μmSS90．2%．SS40μm5μm3a．12hA＞100μm30～100μm5～30μm＜5μm．B、C、D40μm5～40μm5μmEF5～40μm＜5μm＜40μm．5～40μm．40μm．3SSabFig．3SSparticalsizedistributionofinflowandoutflowaandtheremovalofdifferentparticlesizesbinpre-dam20μm97%．20μm、10μm．EF356J．LakeSci．(湖泊科学)，2013，25(3)15μm24%．60h15μm6．8%SS．4Fig．4Removalefficiencyofnutrientswithdifferentretentiontimeinpre-dam5～20μm．SS5～20μm3b．2．2、CODCr、TN、TP89．3%、67．2%、68．2%．97．7%TDPTPTPTDPSS4．、．EFCODCr、TN、NH+4-N、TP5．82%、6．52%、6．34%、9．29%5a．A48．0%～67．2%SSSS．B20%TP20．9%．ABDE、20%、．CF7%CCODCr、NH+4-N2．5%．CODCrNH+4-N5b．．51dabFig．5Thecumulativeremovalefficiencyaandcontributionbtonutrientsindifferentfunctionalareaswithretentiontimeof1day1A、BEE、TPATNA．CFCODCr、TN．．边博等:复合型前置库系统去除面源主要污染物的研究3571%/m2Tab．1TheεvalueofnutrientswithdifferentfunctionalareasεCODCrεTNεNH+4-NεTPA156．76115．67139．62111．97B78．5994．6187．7196．99C5．7427．0110．8130．14D35．5363．4755．1445．43E43．97103．0132．38142．04F11．515．5415．718．5833．1SSTP19-20、SS．12hSS1d、、12SS3E．．SS21-22SSA．A．10%5b．．1d．2～3d．、．3．2SS、、、A、B、ESSEAB2b5bE．．CF、、、SS．A、B、E2b13．F、、、12、、．、．SS5～20μm．41、、CODCr67．2%、68．2%、89．3%1d358J．LakeSci．(湖泊科学)，2013，25(3)SS92%2～3d2～3d．2EFSS、、、CODCr12．5%、6．52%、9．29%、5．82%EE15μm．3A、B、DECF．51．．2007111-4．2．．2006206192-195．3．．20083491-6．4UhlmannDBenndorfJ．Theuseofprimaryreservoirstocontroleutrophicationcausedbynutrientinflowsfromnon-pointsourceslanduseimpactonlakeandreservoirecosystemsproceedingsofaregionalworkshoponMABproject5．WarsawFacultasWien1980152-188．5NyholmNSorensenPEOlrikKetal．Restorationoflakenakskovindrefjorddenmarkusingalgalpondstoremovenutri-entsfrominflowingriverwater．ProgWatTechnol197810881-892．6FialaLVassataP．Phosphorusreductioninaman-madelakebymeansofasmallreservoirintheinflow．ArchHydrobiol19829424-37．7．．199615633-35．8．．19961248-10．9．．2003126342-344．10．．200626101665-1670．11．．2009455/6595-601．12．———．2011354-59．13．、．200615111-14．14．．200828361-64．15PaulL．Nutrienteliminationinpre-damsresultsoflongtermstudies．4thInternationalConferenceonReservoirLimnolo-gyandWaterQuality．CeskeBudejoviceCzechRepublic2002August12-16．16．-．200619545-48．17．．20102591-2594．18《》．4．2002．19PaulLSchruterKLabahnJ．Phosphoruseliminationbylongitudinalsubdivisionofreservoirsandlakes．WaterScienceandTechnology1998372235-243．20Salvia-CastellviMDohetAVanderPetal．ControloftheeutrophicationofthereservoirofEsch-sur-SreLuxem-bourgevaluationofthephosphorusremovalbypredams．Hydrobiologia20014591/2/361-71．21．．200671227-31．22．．20103821193