多孔生物粒子流化床中DO和COD对同步硝化反硝化的影响陈雷

　　:2006-11-13.　　:　(1971～),,,,.DOCOD陈　雷1　于　艳1　郭莉莉1　洪文笔2(1:　,　130021;　2:,　133002):研究了多孔生物粒子流化床同步硝化反硝化系统中,溶解氧和COD浓度变化对脱氮效率的影响.研究结果表明:在溶解氧浓度为1.0mg/L～3.0mg/L范围内,随着反应器内溶解氧浓度的降低,总氮去除率提高,保持较好脱氮率的溶解氧浓度为2.0mg/L左右;在进水COD浓度为400mg/L～700mg/L范围内,保持较好脱氮率的最佳有机物浓度为600mg/L左右,降低或提高有机物浓度时总脱氮率均下降.:多孔生物粒子流化床;同步硝化反硝化;溶解氧;进水COD浓度:X703　　　　　:A　　　　　:1009-1288(2007)03-0012-03　　,,,.,,,,(SimultaneousNitrificationandDenitrification,SND),,、SBR、[1-3].,,,,.,,———,,,(SND).,,.,,.DOCODSND.1　1.1　1　　　(1).31L,28L;8L,11L;1700mm,440mm;90mm,40mm;950mm;0.9mm～1.0mm;10mm,8mm.25℃,2mg/L,pH8..1.2　　　,,,、、,,pH.　第24卷　第3期2007年9月吉　林　建　筑　工　程　学　院　学　报JournalofJilinArchitecturalandCivilEngineeringInstituteVol.24　No.3Sep.2007　1.3　　　,COD,NH4+—N,TN,NO2--N,NO3-—N,pH.,COD[4];NH4+—N[4];NO2-—NN—(1—)-[4];NO3-—N[4].2　2.1　　　.DO,;DO,,,,,SNDDO.2.1.1　DO对COD与TN去除率的影响　　,,2mg/L()[5].DO1.0mg/L,2.0mg/L3.0mg/L(4±0.2mg/L),.3DO,COD、、、TN,1,.4L/h,7h,4000mg/L.1　3DO/(mg·L-1)COD/(mg·L-1)NH3-N/(mg·L-1)TN/(mg·L-1)NO2-N/(mg·L-1)NO3-N/(mg·L-1)150052.389.5246.772.22413.2452.26.5250022.595.5244.681.02410.6580.56.0350031.793.6244.880.02411.8510.57.0　　1,3(1.0mg/L,2.0mg/L3.0mg/L),,,72.2%,81%80%;TN45%,58%51%;COD89.5%,95.5%93.6%.,,COD,2,31,.3,DO2.0mg/L,.,,,2.0mg/L.,DO,,;DO,,.,,,,,、.2.1.2　DO对氨氮去除率的影响2　DODO,2,.,,,,,,,.DO31.3113　第3期陈　雷,于　艳,郭莉莉,洪文笔:多孔生物粒子流化床中DO和COD对同步硝化反硝化的影响3　DOTN,.DO3mg/L,TN51%,DO,DO,,,TN,,,,DO3mg/L,TN51%.DO2mg/L,TN,58%,DO,,,,.DO1mg/L,,,TN45%,,,,.2.2　COD4　CODTN　　COD∶N∶P=150∶5∶1,DO2.0mg/L,4SND,COD400mg/L,600mg/L,800mg/L1000mg/L,4.4COD,TN54%,57%,61%50%;COD94.4%,93.7%,92.5%91.7%.,4,,COD800mg/L,,.,,,,,.,,COD,,DO,,.3　　　(1),、,.,.(2),,,DO2.0mg/L.(3)COD,,COD800mg/L,DO2.0mg/L.(4),,,,,.(下转第18页)14吉　林　建　筑　工　程　学　院　学　报第24卷AnalysisaboutTheoryandConcreteofInteractionBetweenSuperstructureandFoundationQIANKun1,3,NIHong-guang2,YINXin-sheng3,NEILei3(1:SchoolofCivilEngineering,JilinUniversity,Changchun　130026;2:ChangchunCivilEgineeringInstitute,Changchun　130021;3:SchoolofCivilEngineering,JilinArchitecturalandCivilEngineeringInstitute,Changchun　130021)Abstract:Thesuperstructureandfoundationofhighriseareincompletesystemofinteraction,takingthecaseofproject,bycomparativelyanalyzingthecomputedvaluewhichiscalculatedbyapplyingthetheoryofinteractionbetweensuperstructureandfoundationandthemeasuredvaluewhichiscalculatedinscene,wefindsthatthecomputedvalueneatlydovetailsthemeasuredvalue.Keywords:superstructure;foundation;interaction;stiffness(上接第14页)　　　　　[1]　MASUDAS,WATANABEY,ISHIGUROM.Bio2filmpropertiesandsimultaneousnitrificationanddenitrificationinaerobicbiologicalcon-tactor〔J〕.WatSciTech,1991,23(2):1355-1363.　　[2]　MUNCHEV,LANTPA,KELLERJ.Simultaneousnitrificationanddenitrifcationinbench2scalesequencingbatchreactor〔J〕.WatRes,1996,30(2):277-284.　　[3]　BRUCEER,WAYNEEL.Simultaneousdenitrificationwethnetrificationinsingle2channeloxidationditch〔J〕.WPCE,1985,57(4):66-74.　　[4]　.〔M〕.:,1989.　　[5]　.()〔M〕.:,2000.TheEffectofDOConcentrationandInletCODConcentrationontheSNDinPorousBiologicalParticleFluidizedBedCHENLei1,YUYan1,GUOLi-li1,HONGWen-bi2(1:SchoolofMunicipalandEnvironmentalEngineering,JilinArchitectureandCivilEngineeringInstitute,Changchun　130021;　2:YanjiWaterSupplyCompany,Yanji　133002)Abstract:TheeffectofDOconcentrationandinletCODconcentrationonthenitrogenremovalefficiencyinporousbiologicalparticlefluidizedbednitrificationanddenitrification(SND)isstudied.ResultsshowthattotalnitrogenremovalefficiencyhasatendencytorisewiththedecreaseofDOconcentrationbetween1.0mg/Land3.0mg/LinthereactorandtheproperDOconcentrationisabout2.0mg/L.Theoptimalorganicconcentrationwhichcanreachthebestnitrogenremovalefficiencyis600mg/LintherangeofinletCODconcentrationfrom400mg/Lto700mg/L.Thelowerorhigherorganicconcentrationmaydecreasethetotalnitrogenremovaleffi-ciency.Keywords:porousbiologicalparticlefluidizedbed;SND;dissolvedoxygenconcentration;inletCODconcentration18吉　林　建　筑　工　程　学　院　学　报第24卷