好氧颗粒污泥反应器快速启动及除碳脱氮试验邓风

25420097WATERRESOURCESPROTECTIONVol.25No.4Jul.2009　　:(2008ZX07421-002):(1970—),,,,,。E-mail:[e-mail]　1,2,1(1.,　210098;2.,　210009):为快速启动好氧颗粒污泥反应器,在SBR反应器中同时接种硝化污泥和厌氧颗粒污泥,控制反应条件,温度23～25℃,pH值7.5～8.5,DO质量浓度1.5mg/L左右,15d即完成反应器快速启动。形成的好氧颗粒污泥粒径1.5～2.5mm,SVI值54mL/g。颗粒污泥结构紧密,沉降性能良好。反应器连续运行40多天,改变进水COD及NH+4-N浓度,COD和NH+4-N去除率均能稳定在80%以上,反应器内发生了同步硝化反硝化过程。:好氧颗粒污泥;除碳;同步硝化反硝化:X703　　　:B　　　:1004-6933(2009)04-0048-03Experimentonrapidstart-upandremovalofcarbonandnitrogeninaerobicgranularsludgereactorDENGFeng1,2,WANGDe-guan1(1.CollegeofEnvironmentalScienceandEngineering,HohaiUniversity,Nanjing210098,China;2.CollegeofEnvironment,NanjingUniversityofTechnology,Nanjing210009,China)Abstract:Inordertorapidlystartuptheaerobicgranularsludgereactor,thenitritedsludgeandanaerobicgranularsludgewereinoculatedsimultaneouslyinasequencingbatchreactor.Whenthetemperaturewas23～25℃,thepHvaluewas7.5～8.5andtheDOwas1.5mg/L,thereactorwasstartedrapidlyafter15days.Theaveragediameteroftheproducedaerobicgranulewas1.5～2.5mm,theSVIvaluewas54mL/g,andthegranulesludgewascompactwithgoodsettleability.Whenthereactorhadbeenrunningcontinuouslyformorethan40dayswithdifferentCODandNH+4-Nconcentrationsintheinfluents,thecarbonandnitrogenremovalrateexceeded80%.Thetestresultsshowedthatnitrificationanddenitrificationoccurredsimultaneouslyinthisreactor.Keywords:aerobicgranularsludge;carbonremoval;simultaneousnitrificationanddenitrification　　,、、、、、[1],。2:①,、C/N;②,。,,[2]、[3]、[4]。SBR,15d,,。1　1.1　SBR(1),,,,·48·100mm,500mm,3L。1100mm,,pHDOpH。1　SBR1.2　,、、,NH4Cl、NaHCO3、KH2PO4、FeCl3·6H2O、CaCl2、KCl、NaCl、MgSO4,EDTA、CoCl2·6H2O、NaMoO4·2H2O、NiCl2·6H2O、MnCl2·4H2O、ZnSO4·7H2O、CuSO4·5H2O。,UASB。,,。2　SBR,SBR12h,,10h,1.5h,0.5h,50%。:(23～25℃),pH7.5～8.5,DO1.5mg/L。COD180～280mg/L,NH+4-N28～40mg/L。2.1　CODNH+4-N2COD、NH+4-N。2,COD,COD,。8NH+4-N28mg/L40mg/L,COD69.1%,,10d85%。,,,,,NH+4-N。,NH+4-N。8NH+4-N2　COD、NH+4-N40mg/L,NH+4-N44.25%,80%。CODNH+4-N80%,,,。2.2　CODNH+4-N,40。CODNH+4-N80%,CODNH+4-N(COD3:320mg/L,540mg/L,680mg/L;NH+4-N4:42mg/L,68mg/L,85mg/L,118.4mg/L),COD、NH+4-N(3)。3,,CODNH+4-N,NH+4-NCOD,。3　CODNH+4-NTN。TN,8.6%,,50%(4),(SND)。·49·SND:①SBRSND;②SND。,DO,,/,,。,[5]。4　TN3　,4d。,,。,[6],,。,,1.5～2.5mm,,,SVI54mL/g。,,、、、(5～6)。5　5d,,,、,(7)。,DO,。6　7　SEM4　　a.SBR,DO1.5mg/L,pH7.5～8.5,23～25℃。,,,15d,。1.5～2.5mm,,。b.40,CODNH+4-N。,,CODNH+4-N80%。c.DO,,/,。,,。(下转第54页)·50·54.3%97.9%,CODNH3-N。2h。2.5　10g/L、220℃、3.5MPa、2h,,CODNH3-N,5。5　5,CODNH3-N98.7%97.9%,,CODNH3-N90%88%;Cu2+,Cu2+1.8mg/L,Cu2+,0.2mg/L。,CuO-Co3O4-La2O3/TiO2-ZrO2。3　　a.CuO、Co3O4、La2O3,TiO2-ZrO2,CuO-Co3O4-La2O3/TiO2-ZrO2。b.,:10g/L,220℃,3.5MPa,2h。COD98.7%,NH3-N97.9%。c.,15,COD90%,NH3-N88%,。:[1],.[J].,2008,28(5):35-37.[2],,.COD[J].,2008,31(1):62-64.[3],,.[J].,2008,18(3):72-74.[4],.[J].,1993,15(5):88-91.[5]LUCKF.Wetairoxidation:past,presentandfuture[J].CatalysisToday,1999,53(1):81-91.[6],,,.[J].EnviromentalScience,1999,20(2):42-44.[7]ZHUWang-peng,BINYue-jing,LIZhong-he,etal.ApplicationofcatalyticwetoxidationforthetreatmentofH-acidmanufacturingprocesswastewater[J].WaterResearch,2002,36(8):1947-1954.[8].[D].:,2006.[9],,.[J].,2006,26(9):41-44.(:2008-12-08　:)(上接第50页):[1]BEUNJJ,HENDRIKSA,VanLOOSDRECHTMCM,etal.Aerobicgranulationinasequencingbatchreactor[J].WaterRes,1999,33(10):2283-2290.[2]LIUYong-qiang,TAYJH,MOYBYP.Characteristicsofaerobicgranularsludgeinasequencingbatchreactorwithvariableaeration[J].ApplMicrobiolBiotechnol,2006,71:761-766.[3]IVANOVV,WANGXiao-hui,TAYSTL,etal.Bioaugmentationandenhancedformationofmicrobialgranulesusedinaerobicwastewatertreatment[J].ApplMicrobiolBiotechnol,2006,70:374-381.[4]JIANGHe-long,TAYJH,LIUYu,etal.Ca2+augmentationforenhancementofaerobicallygrownmicrobialgranulesinsludgeblanketreactors[J].BiotechnologyLetters,2003,25:95-99.[5],,,.[J].,2006,27(9):1858-1861.[6]HULSHOFFPOLLW,deCASTROLOPESSI,LETTINGAG,etal.Anaerobicsludgegranulation[J].WaterRes,2004,38:1376-1389.(:2008-05-02　:)·54·