高效除氮菌在模拟潜流人工湿地中的应用邓春蕾

2742008　8　　四　川　环　境SICHUANENVIRONMENT　　Vol.27,No.4August2008··:2008-04-09:(1983-),,,2005,。邓春蕾,王克科,王　岩(,　450001)　　:研究高效除氮菌的加入对模拟潜流人工湿地除污效果的影响。结果表明,除氮菌提高了污水中COD、氨氮及总磷的去除率,对COD的去除率可以提高10%左右,总磷最高可提高20%,试验三天,对氨氮的去除率也提高20%～30%。　　:;;:X703　　　　:A　　　　:1001-3644(2008)04-0001-03ApplicationofHighRateDenitrifierforConstructedWetlandwithSimulatingUndercurrentDENGChun-lei,WANGKe-ke,WANGYan(SchoolofChemicalEngineering,ZhengzhouUniversity,Zhengzhou450001,China)　　Abstract:Researchonpollutantsremovalefficiencyofthehighratedenitrifierappliedforconstructedwetlandwithsimulatingundercurrentwasconducted.TheresultshowedthatthedenitrifierincreasedtheremovalofCODandtotalphosphorusby10%and20%respectively.Andtheremovalofammonianitrogenwasincreased20%～30%fromtheexperimentforthreedays.Keywords:Denitrifier;wetland;pollutantremoval　　。,TN45%,NH+4-N94%,64%[Walson,1989],,TN、NH+4-N、NO3-N、TP67%、61%、72%、76%[1～3]。,[3]。,,,pH,,,。,,,。1　材料与方法1.1　,。,,。6.32×108/mL,200mL。,:NH+4-N:2010.7mg/L;TP:16.36364mg/L;COD:4838.4mg/L。1.2　。(1),,(1∶1),。。,。DOI:10.14034/j.cnki.schj.2008.04.001,。。,,5。,,。1　Tab.1　Compositionofpackingmaterialsinthestatictest(cm)(5)、、、(10)(6.67)30℃～35℃。1.3　COD,TP—,[4]。2　结果与讨论2.1　COD(1),,,CO2。1　CODFig.1　TheimpactofdifferentdenitrifiersonCODremoval　　1,COD,,,,,COD。,COD,,。COD80%,10%。2.2　(2)、、。,8%～16%,[5]。,、、,A/A/O,。2,,,。。,1d,2d,3d,90%,,,,,。2　　　　　　　　　　　　　　　　　　四川环境272　Fig.2　Theimpactofdifferentdenitrifiersonammonianitrogenremoval2.3　(3),,15%[3]。,,[6～8]。3,,,,15%～20%。3　Fig.3　TheimpactofdifferentdenitrifiersonTPremoval3　结　论　　,COD、,COD10%,20%,,20%～30%。:[1]　TannerCC,SukiasJP,UpsdellMP1.Relationshipsbetweenloadingratesandpollutantremovalduringmaturationofgravelbedconstructedwetlands[J].J.Enviro.Qual.,1998,27:448-458.[2]　IWA.Constructedwetlandsforpollutioncontrol:processes,per-formance,designandoperation.InternationalWaterAssociationScientificandTechnicalReportNo.8[R].London,UK:IWA.Publishing,2000.[3]　,,,.[J].,2004,18(4):77-92.[4]　.[M].:,1998.210-252.[5]　USEPA.Constructedwetlandstreatmentofmunicipalwastewatersmanual.EPA625-R-99-010[R].Cincinnati:OfficeofResearchandDevelopment,2000.[6]　LauchlanHF,SpringMC,DavidS.Atestoffourplantspeciestoreducetotalnitrogenandtotalphosphorusfromsoilleachateinsubsurfacewetlandmicrocosms[J].BioresourceTechnology,2004,94(2):185-192.[7]　SunG,GrayKR,BiddlestoneAJ,etal.treatmentofagriculturalwastewaterinacombinedtidalflow-downflowreedbedsystem[J].WaterScienceandTechnology,1999,40(3):139-146.[8]　.[J].,2002,21(4):51-59.34　　　　　　: