对浮动床生物膜硝化反应器的研究胡明成

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23 1         Vol.23,No.1 20032JOURNALOFGUILINUNIVERSITYOFELECTRONICTECHNOLOGYFeb.2003 胡明成1,于文波2,沙 敏3    (1.桂林电子工业学院电子工程系,广西桂林 541004;     2.黑龙江省建筑职业技术学院 150001;3.哈尔滨703研究所 150006) :,,。:,。,,4.5mg/l,240gNOx-N/m3·d.:;;;;:TU992.3    :A    :1001-7437(2003)01-31-03,,,、。,,。[1,2]。,,,,,。,。,。1 (1),300m-1。。2,。,1 (H=15mm,H=5mm,W=1mm)。,,。,,。2 2.1 ,。:rmax,T=rmax,T010KT(T-T0)rmax,T——T,gNOx-N/m3·d;rmax,T0——20℃,gNOx-N/m3·d;:2002-10-08:(1963-),,,,.DOI:10.16725/j.cnki.cn45-1351/tn.2003.01.0082 ()T——(℃);T0——,20℃;KT——,0.045.,。,KT0.045。,15℃。2.2 ,3。,2gO2/gNH4-N,。5gO2/gNH4-N。3 ,2.5~3.5gO2/gNH4-N。,,:(1)2gO2/gNH4-N.r=78SO2r——,gNOx-/m3·d;SO2——,gO2/l.(2)5gO2/gNH4-N.r=378S0.7NH4-Nr——,gNOx-N/m3·d;SNH4-N——,gNH4-N/l.2.3 2gO2/gNH4-N,。1-9g/l。,,0[3]。4。,。5。,。,,,  4 SO2/SNH42gO2(gNH4-N)-132                                     20032  5 SO2/SNH42gO2(gNH4-N)-1。[2]。2.4 ,,,。6。300~600gBOD5/m3·d,180~360gNOx-N/m3·d。1500gBOD5/m3·d0.3 :(1)。5mg/l,240gNOx-N/m3·d.(2),,。   6 SO2/SNH42gO2(gNH4-N)-14~6mg/l。2.5~3.5gO2/gNH4-N。(3)。,。。(4),1500gBOD5/m3·d。,,BOD。:[1] LarsJHem.Nitrificationinmovingbedbiofilmreactor[J].WaterResearch,1999,(6):1425-1433.[2] PanterHA.Microbialtransformationofinorganicnitrogen[J].WaterTechnology,1997,(8):3-29.[3] SiegristH.DemonstrationofmasstransferandpHeffectinanitrification[J].WaterResearch,1987,(21):1481-1487.AStudyontheMovingBedNitrifyingBiofilmReactorHUMin-cheng1,YUWen-bo2,SHAMin3(1.Dept.ofElectronicEngineering,Guilin541004,China; 2.CivilEngineeringInstituteofHeilonjiangProvince,Harbin150001,China)  3.ResearchCenterNo.703,Harbin150006,China)Abstract:Anewbiofilmreactor-movingbedreactorwhichisfilledwithcarriersbearinghighspecificsurfaceandlesspossibilitiesofcloggingisstudied.Theexperimentresultsshowthatwhenalkalinityisinexcessandthereisnoorganicload,thenitrificationratecanbedeterminedeitherbytheammoniumconcentrationorbytheoxygenconcentration.Wehavefoundthattheoxygenconcentrationimposesagreatinfluenceonthenitrificationratewhenoxygenbecomesaratelimitingfactor.Whentheoxygenconcentrationisabout4.5mg/l,thenitrificationratecanreachat240gNOx-N/m3·d.Keywords:biofilm,nitrification,movingbed,kinetics,organicload331               胡明成:                 

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