城市污水生物除磷脱氮系统剩余污泥量的计算

:1006-7329(2003)05-0069-06X1,2,3(1.,400045;2.,400044;3.,400045):,,,,,,K(0.751),K,(ASM2):;;;;;;K:X703:ASurplusSludgeVolumeCalculationofBiologicalPhosphorusandNitrogenRemovalProcessforMunicipalWastewaterXUJing1,LUOPing2,SUNJun2yi3(1.CollegeofUrbanConstructionandEnvironmentalEngineering,ChongqingUniversity,Chongqing400045,P.R.China;2.CollegeofChemistryandChemicalEngineering,ChongqingUniversity,Chongqing400045,P.R.China;3.CollegeofCivilEngi2neering,ChongqingUniversity,Chongqing400045,P.R.China)Abstract:Sincethekeytothedesignofactivatedsludgeprocessissurplussludgevolumecalculation,whileactivatedsludgesystemsaremainformsinbiologicalPandNremovalprocess(BPNRP),itisnecessarytocalculateexcesssludgeproductionofBPNRP.CombinedwiththeoperatingexperienceofwastewatertreatmentplantsinKunming,thispaperanalyzesandcomparestheprecisionoftraditionalcalculatingmethod,sludgeretentiontimemethodandmathematicalmodelsinsurplussludgevolumecalculationofBPNRPformunicipalwastewater.Then,itsuggeststhatthesludgeagemethodissuitableatpresentandpointsoutthatadjustedco2efficientK(0.751)isrelatedtospecificprocessandseveralvaluesofKaregiven.Atthesametime,ital2sopointsoutthatactivatedsludgemathematicalmodelASM2istheorientationofdevelopment.Keywords:municipalwastewater;biologicalphosphorusandnitrogenremovalprocess;surplussludgevol2ume;sludgeretentiontimemethod;mathematicalmodelmethod;sludgeyieldindex;adjustedcoefficientK,,,A/OA2/OBarden2phoUCTVIPSBR255200310JournalofChongqingJianzhuUniversityVol.25No.5Oct.2003X:2003-07-03:(1968-),,,,©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(GB8978-1996),,,,,,[1],,,,:,ASM2,,,[2],,,,,,,,,,,11.1,,,,,,,,,[3,4]:X=Y(Sa-Se)Q-KdVXv:X(VSS),kg/d;(Sa-Se)Q,kg/d;VXvkg,Xv=MLVSS,V,m3;Y,1kgBODMLVSSkg;Kd(),d-1,c,X0,,1.2,,,,,,,,,ATVATV[5]:1)():YHQBOD5,i()-bHXMLSSVfT,H()0725©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.)(10%):0.1bHXMLSSVfT,H3),60%:0.6QSS,:SP=YHQBOD5,i-bHXMLSSVfT,H+0.1bHXMLSSVfT,H+0.6QSS:X=(YHQBOD5,i-bHXMLSSVfT,H)/SPSP=MLSSV/C,SP:SP=YHQBOD5,i+0.6QSS-0.9bHYHQBOD5,ifT,H/(-1C+bHfT,H)1kgBOD5SPt:SPt=YH+0.6SSBOD5,i-0.9bHYHcfT,H1+bHYHcfT,H:Q,m3/d;X;V,m3;C,d;YH,kgSS/kgBOD5,YH=0.6;bH,bH=0.08L/d;fT,H,fT,H=1.072(T-15)(T,);SS,kg/m3;BOD5,iBOD5,kg/m3;BOD5,eBOD5,kg/m3YH=0.6bH=0.08L/d,:SPt=0.6(SSBOD5,i+1)-0.0720.6cfT,H1+0.08cfT,HY,,SS/BOD5,,1K(K):Y=K0.6(SSBOD5,i+1)-0.0720.6cfT,H1+0.08cfT,H,SP=YQ(BOD5,i-BOD5,e)(kgSS/d)1.3IAWQ19952(ASM2),,,ASM2,19192242,,;ASM11319,8,,,,,,8.5%13%[3],ASM1ASM1,[3,4]:1)VSS,XI=TSS(1-fv+fvfnv)(kgSS/d);2),(XB,H),XB,H=BOD5YH/(1+cbH)(kgVSS/d);,(,XB,A)XB,A=TKNYA/(1+cbA)(kgVSS/d);3)XP=fPbHcXB,H(kgVSS/d);,XT=XI+XB,H+XB,A+XP(kgVSS/d)175,:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(kgVSS/d),4)Xw=XT-XEF(kgVSS/d):fvSS,0.7;fnvVSS,0.3;YH,0.65kgVSS/kgBOD5;YA,0.1kgVSS/kgNH3-N;bH,0.15d-1(15);bA,0.035d-1(15);fP,0.22,,A2/O,(60%),36.5t,,80%35,10,,(ICEAS),,1,,,2(),131(mg/L)BOD5CODcrSSTNTP180360200308153010100.5160801002002003048101510150.52(mg/L)BOD5CODcrSSTNTP190.41518.6416.441.376.523.5719.63.316.770.2812(Carrousel)(Carrousel)1()2ICEAS()3,,[4](Yobs=0.65kgSS/kgBOD5)9.26t/d,,2725©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,80%1520,5t,1520t,,BOD5=150mg/LSS=250mg/LBOD5=10mg/LSS=15mg/L,5.5104m3/d10104m3/d10104m3/d,15,VSS/SS0.75,,,,,,,VSS/SS,,VSS/SS0.7,BOD5,,,(C=2030d)[6],c30d[7]TP1mg/LTN,,,,815d,C=815d,[3,8]33Y(kgVSS/kgBOD5)Kd(d-1)X(tSS/d)Y(kgSS/kgBOD5)0K1SP(tSS/d)XW(tSS/d)(tSS/d)Q=5.5104m3/dc=4030dVSS/SS=0.75Y=0.4Kd=0.1X0K=0.75Y=0.790.82SP=6.086.38.746.1Q=10104m3/dc=258dVSS/SS=0.7Y=0.55,Kd=0.05X=5.6Yobs=0.65()X=9.26K=1Y=1.221.39SP=17.119.516.719.51520Q=10104m3/dc=2520dVSS/SS=0.75Y=0.5Kd=0.08X0K=0.95Y=1.161.19SP=16.316.716.316.716.33,ASM1,c30d,,c30d,,ASM1,,,,,,,ASM2,K0.751,,K,A2/O,K=1;ICEAS,K=0.95;,K=0.75,31),,(ASM2),375,:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.),Y,,,,K(0.751),K,A2/O,K=1;ICEAS,K=0.95;,K=0.75Y=K0.6(SSBOD5,i+1)-0.0720.6cfT,H1+0.08cfT,H3)c30d,ASM1:[1].CODJ.,1999,15(2):18-24.[2],,.J.,2001,20(4):199-200.[3],.M.,1998.[4].J.,2001,27(7):15-18.[5].J.,1999,15(6):53-55.[6].M.,2000.[7].J.,1997,13(3):17-18.[8].M.,1999.(46):[1],,.J.,2000,20(3):7.[2],.J.,1998,(1):1-6.[3],.M.,1995,15(4):5661.[4],.M.:,1991.[5],,.J.(S0),2002,376-381.[6],,.J.,1997,(5):59-65.[7].J.,1994(2):4-8.4725©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.