低温对固体碳源填充床反硝化的影响

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()JTsinghuaUniv(Sci&Tech),20084832008,Vol.48,No.333ö364362439,(,100084):2007201209:(59978020,50508018):(1982),(),,:,,E2mail:[e-mail]:,,:810,6080mgõL-1,2.54.5mgõ(Lõh)-1,20%,;912cmõh-1,;1015,,K=0.046:;;;:X703:A:100020054(2008)0320436204DenitrificationatlowtemperaturesusingBDPsasthesolidcarbonsourceinapackedbedreactorFANZhenxing,WANGJianlong(InstituteofNuclearandNewEnergyTechnology,TsinghuaUniversity,Beijing100084,China)Abstract:Denitrificationusingastarch2basedbiologicallydegradablepolymerasthesolidcarbonsourceandbiofilmsupportofthedenitrifyingmicroorganismswasstudiedinapackedbedreactoratlowtemperatures(8-10).Theresultscanprovidethetechnicalparametersforprocessapplications.At8-10,thedenitrificationratewas2.5-4.5mgõ(Lõh)-1andthenitrateremovalratewasbelow20%forthenitrateconcentrationsof60-80mgõL-1intheinfluent,resultinginconsiderabledecreasesthedenitrificationrateandthenitriteremovalrate.Forhydraulicloadingsof9-12cmõh-1,thedenitrificationrateisdirectlyrelatedtotheloading.At10-15,thedenitrificationrateshowsgreaterdependenceonthetemperaturethanthatatnormaltemperaturewithatemperatureconstant,K=0.046.Keywords:denitrification;solidcarbonsource;lowtemperature;hydraulicloadingrate,,[1],;[2],(biologicaldegradablepolymers,BDPs),(polycaprolactone,PCL),B(polyhydroxybutyrate,PHB)PCL,([NO-3]0.23mgõL-1)[3][4-5](BDPs)BDPs[6]BDPs(),;,BDPs,1140cm,30cm,3cm,60L,,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ö(kgõm-3)11001150GB1033wH2Oö%0.61.2öMPa12GB1040ö%300GB1040ö%80ö%98,6080mgõL-1BDPs1.2,(810),,6090mLõh-1,(HRT)2.33.3h,913cmõh-1;1015,1.3[7]:0.45Lm1mL10mL,220nmShimadzuUV23100JSM26460LV22.121015,Hvr2,,,,10.714.565.7%WelanderMattiasson[8],,31555%,,,,,DOC,,2Arrhenius(1)[9],kt=k2010K(Hö-20).(1):ktt,mgõ(Lõh)-1;k2020,mgõ(Lõh)-1;K,K-1(1)lg{ktö[mgõ(Lõh)-1]}=K(Hö-20)+lg{k20ö[mgõ(Lõh)-1]}.(2)(2),K=0.046,0.020.08[9];20300.033[4],,734,:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.õ(Lõh)-1,25307.08.5cmõh-122.92mgõ(Lõh)-1[6],510Volokita[10],32143,,,,5102.45[4],,834()2008,48(3)©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.)810,6080mgõL-1,2.54.5mgõ(Lõh)-1,20%,,2)912cmõh-1,3)1015,,K=0.046(References)[1],,.[J].,2002,22(6):711-715.WANGHaiyan,QUJiuhui,LEIPengju.Electrochemicalhydrogenandsulfurautotrophicdenitrificationcombinedprocessindrinkingwatertreatment[J].ActaScientiaeCircumstantiae,2002,22(6):711-715.(inChinese)[2],,.[J].,1999,25(4):214-219.ZHUNanwen,GAOTingyao,ZHOUZengyan.BiologicaldenitrificationfromdrinkingwaterReviewandcomment[J].TechnologyofWaterTreatment,1999,25(4):214-219.(inChinese)[3]BoleyA,MllerWR,HaiderG.Biodegradablepolymersassolidsubstrateandbiofilmcarrierfordenitrificationinrecirculatedaquaculturesystems[J].AquaculturalEngineering,2000,22:75-85.[4],,.pHPBS[J].,2006,27(2):290-293.ZHOUHaihong,WANGJianlong,ZHAOXuan.DenitrificationusingPBSascarbonsourceandbiofilmsupporter:EffectofpH[J].EnvironmentalScience,2006,27(2):290-293.(inChinese)[5],,.[J].(),2006,46(3):32-35.ZHOUHaihong,ZHAOXuan,WANGJianlong.Removalofnitratesfromdrinkingwaterusingbiodegradablepolymersasbothsubstrateandbiofilmcarrier[J].JTsinghuaUniv(Sci&Tech),2006,46(3):32-35.(inChinese)[6],.[J].,2006,26(2):95-98.ZHOUHaihong,WANGJianlong.Nitrateremovalusingbiodegradablepolymers(DBPs)ascarbonsourceandbiofilmcarrierofdenitrifyingmicroorganisms[J].ChinaBiotechnology,2006,26(2):95-98.(inChinese)[7].,3[M].:,1998,260-263.StateEnvironmentalProtectionAgency.WaterandWasteWaterMonitoringandAnalysisMethod[M].ThirdEdition.Beijing:ChinaEnvironmentalSciencePress,1998.260-263.[8]WelanderU,MattiassonB.Denitrificationatlowtemperaturesusingasuspendedcarrierbiofilmprocess[J].WaterResearch,2003,37:2394-2398.[9].pH[J].,1994,14(4):308-313.XUYatong.TheinfluenceofpHvaluesandtemperatureondenitrification[J].ChinaEnvironmentalScience,1994,14(4):308-313.(inChinese)[10]VolokitaM,BelkinS,AbeliovichA,SoaresM.Biologicaldenitrificationofdrinkingwaterusingnewspaper[J].WaterResearch,1996,30(4):965-971.934,: