多级表面流人工湿地氧化塘工艺处理微污染原水万金保

/111211．3300312．330031/。COD、TN、NO－3－N、NO－2－N、TP53．7%、45．0%、34．0%、54．5%、48．7%50．5%。COD、TNTP30．2～31．4℃。TNTNR2=0．6174TPTPR2=0．9130。、、。X505A1000－4602201121－0011－04“”2007BAB23C02CombinedProcessofMulti-surfaceFlowConstructedWetlandandOxidationPondforTreatmentofMicro-pollutedRawWaterWANJin-bao1LANXin-yi1TANGAi-ping12LIUFeng11．SchoolofEnvironmentalandChemicalEngineeringNanchangUniversityNanchang330031China2．SchoolofEnvironmentalandChemicalEngineeringNanchangHangkongUniversityNanchang330031ChinaAbstractThecombinedprocessofmulti-surfaceflowconstructedwetlandandoxidationpondwasusedtotreatmicro-pollutedrawwaterfromfishpondaquacultureandagriculturalproductionandthepollutantremovaleffectoftheconstructedwetlandwasinvestigated．Theresultsshowthatthetreatmenteffectofmicro-pollutedrawwaterbywetlandsystemisverysignificant．InthewholemonitoringperiodtheaverageremovalratesofCODTNNO－3－NNO－2－NTPandsolubleTPare53．7%45．0%34．0%54．5%48．7%and50．5%respectively．Thequalityofthefinaleffluentmeetsthestandardofwaterenvironmentalfunctionarea．AstemperatureisincreasedtheremovalratesofCODTNandTPareincreased．Inparticulartheirremovalratesareincreasedsharplyat30．2℃to31．4℃．FortheconstructedwetlandthereisapoorcorrelationbetweenTNloadandremovalrateR2=0．6174butthereisagoodcorrelationbetweenTPloadandremovalrateR2=0．9130．Becauseoflessinvest-mentgoodeffectsimpleoperationandmanagementthesurfaceflowconstructedwetlandsystemhasagoodapplicationprospectinreductionofpollutionloadintothelake．·11·2721201111CHINAWATER＆WASTEWATERVol．27No．21Nov．2011Keywordsmulti-surfaceflowconstructedwetlandoxidationpondmicro-pollutedrawwa-tertemperature、、、、、、。39．6×104hm2537．5×104hm2。1。。、、、、。。11.12hm21400m2。、、8、。。。Ⅳ。1.220095100m3/d。COD31．06mg/LTN1．289mg/LNO－3－N0．491mg/LNO－2－N0．026mg/LTP0．106mg/L0．039mg/L。《》GB3838—2002Ⅴ。1.31。。。、、20/m2。。230、266、488m20．43、0．38、0．21m3/m2·d0．4m。1Fig．1PlanlayoutofwetlandsystemPVC0．2m。4/m2。PVC。550m21．2m0．18m3/m2·d。1.420095712。1630、。CODTN—NO－3－NNO－2－NTP6350M。SPSS17．0Origin6．0。22.11。COD、TN、NO－3－N、·21·2721．watergasheat．comNO－2－N、TP、53．7%、45．0%、34．0%、54．5%、48．7%、50．5%。GB3838—2002COD、TN、TPⅤ、ⅣⅢⅠ、ⅢⅡ。Ⅲ。1、Tab．1Characteristicofinflowandoutflowmg·L－1±±COD21．50～49．7031．06±9．387．17～27．0015．00±7．92TN0．487～2．4901．289±0．7840．115～1．6870．724±0．566NO－3－N0．126～0．8950．491±0．2560．027～0．7790．365±0．251NO－2－N0．008～0．0560．026±0．0150．001～0．0480．014±0．014TP0．051～0．1580．106±0．0310．018～0．0900．056±0．0230．013～0．0880．039±0．2830．003～0．0480．021±0．0172COD。53．7%361%～94%。、。4。5。、6。TP48．7%50．5%。2.2COD、TNTP2。4．3～31．4℃2COD、TNTP。—。。230．2～31．4℃30．2～31．4℃。2Fig．2Effectoftemperatureonpollutantsremoval2.36TNTP。TNTNy=0．404x+0．006R2=0．6174TPTPy=0．401x+0．0005R2=0．91307。。2.49．27、、、、927/m30．1/m3。。3①/COD、TN、·31·．watergasheat．com/2721NO－3－N、NO－2－N、TP、53．7%、45．0%、34．0%、54．5%、48．7%、50．5%。②COD、TNTP30．2～31．4℃。③TNTNR2=0．6174TPTPR2=0．9130。。④、、。1．J．20093731292－1293．2．COD、J．200415122337－2341．3RousseauDPLVanrolleghemPAPauwN．ConstructedwetlandsinFlandersaperformanceanalysisJ．EcolEng2004233151－163．4．J．20062682670－2677．5．J．2008173923－925．6BubbaMDAriasCABrixH．PhosphorusadsorptionmaximumofsandsforuseasmediainsubsurfaceflowconstructedreedbedsasmeasuredbytheLangmuiriso-thermJ．WaterRes200337143390－3400．7．J．20071651372－1375．1952－。[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2011－04－2510。。②DODO。③。。④。1．M．2005．2．J．200732145－146．3TanwarPNandyTKhanRetal．IntermittentcyclicprocessforenhancedbiologicalnutrientremovaltreatingcombinedchemicallaboratorywastewaterJ．BioresourTechnol200798132473－2478．4BalkuS．Comparisonbetweenalternatingaerobic-anoxicandconventionalactivatedsludgesystemsJ．WaterRes200741102220－2228．5．4M．2002．6HartleyKJ．Controllingsludgesettleabilityintheoxida-tionditchprocessJ．WaterRes2008426/71459－1466．1968－。[e-mail]2011－05－06·41·2721．watergasheat．com