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:1009-6094(2002)03-0022-05 高春娣 彭永臻 王淑莹 川哲夫 尾崎益雄(,100022) (,371-0816,)李春全(,100037) :2。。,,,。,,,,,。,。:;;;SVI:X701.3 :A0 ,。,,,,[1]。,、,。,[2,3],[4,5]。,,。,。1 ,14L,3,,(DO),DO2.0mg/L,(20±0.5)℃。,、、,,。,BOD/COD0.618。BOD/COD,COD,BOD。COD600mg/L,(MLSS)1900～2100mg/L,(TP)(BOD/P100/1),NH4Cl(TN),3BOD/N100/5、100/2100/0.94。,BOD/N,3。,,15～20,SVI,。2 2.1 SBR,SBRNs=V1S0X(V1+V2)24t(1) NsSBR,kgCOD/(kgMLSS·d);V1,L;V2,L;t,d,;S0(COD),mg/L;X,mg/L。,SBRS0t。,S0600mg/L,t。2.2 1)4.0kgCOD/(kgMLSS·d)(F/M4.0kgCOD/(kgMLSS·d)),1.5h。1。BOD/N100/5,40～50mL/g。BOD/N100/2,SVI256mL/g,。SVI,,,。SVI256mL/g,。,。BOD/N100/0.94,30SVI90mL/g458mL/g。,,。,2320026安全与环境学报 JournalofSafetyandEnvironmentVol.2,No.3Jun,2002:2001-12-04:(1973-),,,,。:(:59778024);(:01KJ37),,,,,BOD/N100/2。,。 1 BOD/NF/M4.0kgCOD/(kgMLSS·d)Fig.1 EffectofdifferentinfluentBOD/NvaluesatF/Mof4.0kgCOD/(kgMLSS·d)onsludgesettlingproperty2)1.54kgCOD/(kgMLSS·d)1.54kgCOD/(kgMLSS·d),BOD/N(100/5、100/2、100/0.94)2。2 BOD/NF/M1.54kgCOD/(kgMLSS·d)Fig.2 EffectofdifferentinfluentBOD/NvaluesatF/Mof1.54kgCOD/(kgMLss·d)onsludgesettlingpropertyCODMLSS,4h,1.54kg-COD/(kgMLSS·d)。,2,3BOD/NSVI,15,BOD/N100/0.94SVI110mL/g,BOD/N100/2100/5SVI95mL/g80mL/g。,3SVI,。BOD/N100/5,,,;BOD/N100/2,,,,,;BOD/N100/0.94,,。3)1.23kgCOD/(kgMLSS·d)5h,1.23kg-3 BOD/NF/M1.23kgCOD/(kgMLSS·d)Fig.3 EfectofdifferentinfluentBOD/NvaluesatF/Mof1.23kgCOD/(kgMLSS·d)onsludgesettlingpropertyCOD/(kgMLSS·d),SVI3。,BOD/N100/5SVI7125mL/g,,1595mL/g。BOD/N100/2SVI100mL/g120mL/g。BOD/N100/0.94,SVI5128mL/g,90mL/g。,BOD/N100/5100/2SVI,BOD/N100/0.94。4)1.03kgCOD/(kgMLSS·d)6h,1.03kgCOD/(kgMLSS·d),SVI4。4 BOD/NF/M1.03kgCOD/(kgMLSS·d)Fig.4 EfectofdifferentinfluentBOD/NvaluesatF/Mof1.03kgCOD/(kgMLSS·d)onsludgesettlingpropertyBOD/N100/5SVI,15100mL/g80mL/g,,,。BOD/N100/2,SVI,120mL/g,,,,。BOD/N100/0.94SVI,,58100mL/g130mL/g,,,。2320024,:5)0.62kgCOD/(kgMLSS·d)10h,0.62kg-COD/(kgMLSS·d),SVI5。5 BOD/NF/M0.62kgCOD/(kgMLSS·d)Fig.5 EfectofdifferentinfluentBOD/NvaluesatF/Mof0.62kgCOD/(kgMLSS·d)onsludgesettlingpropertyBOD/N100/5SVI,10SVI80mL/g100mL/g,10,SVI,15,SVI70mL/g。,。,,6(a)。6 BOD/N Fig.6 ColorcontrastofmixedliquidofdifferentBOD/Nvalueatloworganicloading,SVI,,,,。,NO2-—NNO3-—N。COD600mg/L,TN18.54mg/L,MLSS2000mg/L,0.2mg/LNO2-—N,NO3-—N。,,NH3—N,。(TN)NH4Cl,NH4Cl,NH4Cl。,BOD/N100/4,BOD/N100/5(COD),。(2mg/L),,80～100mg/LCOD(COD)。。NH4ClNH3,NH3,2NH3+3O2→2HNO2+2H2O+619.6×103J,NO2-—N,NO3-—N。,,,。BOD/N100/2SVI,7140mL/g170mL/g,,SVI,130～140mL/g。,,,,。(6(b))。BOD/N100/2SVI140mL/g,1.03kgCOD/(kgMLSS·d),,,,,,,,,,。BOD/N100/0.94SVI,10SVI120mL/g200mL/g,。,0.62kgCOD/(kgMLSS·d),,,。BOD/N100/2,,,。2,(6(c))。2.3 COD0.62kgCOD/(kgMLSS·d),18BOD/NDOCOD,DO7,COD8。COD600mg/L,COD500mg/L,3,0.3m3/h,10h。DO3。,DO0;,DO,DO“DO24安全与环境学报22”;DO。BOD/N3。BOD/N100/5,DO3.2mg/L,40minCOD100mg/L,。DO6mg/L,,。,DO,80min7mg/L,。COD70mg/L。7 F/M0.62kgCOD/(kg/MLSS·d)18DOFig.7 VariationofDOconcentrationinthe18thcycleatF/Mof0.62kgCOD/(kgMLSS·d)8 F/M0.62kgCOD/(kgMLSS·d)18CODFig.8 VariationofCODconcentrationinthe18thcycleatF/Mof0.62kgCOD/(kgMLSS·d)BOD/N100/2DO4.5mg/L,130min,COD100mg/L,,DO7mg/L。BOD/N100/0.94DO,5.1mg/L,350min。MLSS,BOD/N100/21200mg/L,BOD/N100/0.941000mg/L,DO;,,,,。2.4 ,(F/M4.0kgCOD/(kgMLSS·d))。9。,BOD/N100/0.94SVI216mL/g,BOD/N100/2SVI140mL/g。,,21,BOD/N100/0.94SVI150mL/g。BOD/N100/2SVI100mL/g。,SVI,,。9 Fig.9 Controlofbulkingoccurredatloworganicaccompa-niedbythedeficiencyofnitrogen3 ,。1),。,,1.54kgCOD/(kgMLSS·d)0.62kgCOD/(kgMLSS·d),,。,0.62kgCOD/(kgMLSS·d),。2)BOD/N100/2,(F/M4.0kgCOD/(kgMLSS·d));,,,。,SVI,140mL/g,。3)BOD/N100/0.94,;SVI200mL/g,。,,,。References()1 TakacsIandFleitE.ModelingoftheMicromorphologyoftheActi-vatedSludgeFloc:LowDO,LowF/MBulking[J].WatSciTech,1995,31(2):235～2382520024,:2 ZhouLi(),PengYongzhen(),HuangZhi(),etal.Influencefactorsandcontroloffilamentoussludgebulking[J].EvolvementofEnvironmentalScience(),1999,7(1):88～933 NovakL,LarreaL,WannerJ,etal.Non-filamentousActivatedSludgeBulkingCausedbyZoogloea[J].WatSciTech.,1994,29(7):301～3044 WangShuying(),GaoChundi(),PengYongzhen(),etal.Effectsoforganicloadingonsludgebulkinginin-dustrialwastewatertreatmentwithSBRprocess[J].EnvironmentalScienceTransaction(),2000,20(2):129～1335 GaoChundi(),PengYongzhen(),WangShuying(),etal.Non-filamentousactivatedsludgebulkingcausedbynitrogendeficiency[J].EnvironmentalScience(),2001,22(6):61～65EXPLORINGTHEEFFECTSOFNITROGENDEFICIENCYONTHESLUDGEBULKINGATDIFFERENTORGANICLOADINGGAOChun-di,PENGYong-zhen & WANGShu-ying(CollegeofEnvironmentalandEnergyEngineering,BeijingPolytechnicUniversity,Beijing100022,China)AkioTakigawa & MasuoOzaki(MaebashiInstituteofTechnology,Maebashi371-0816,Japan)and LIChun-quan(BeijingZhongyuanEngineeringDesignAdrisoryCompany,Beijing100037,China)Abstract:Thepresentpaperintendstoexplorethepossibleeffectsofnitrogendeficiencyonthesludgebulkingatloworganicload-ing.Asisknown,organicloadingandnutrientdeficiencyaretwoimportantfactorsinfluencingthesludgebulkinginsequencingbatchreactorprocessingfedwithbrewingwastewater.Tosolvethisproblem,itisnecessarytokeepthenecessaryvalueofbio-chemicaloxygendemand:nitrogen(BOD/N)intheinfluentat100/5,100/2,100/0.94res