反硝化速率计算

10220046JournalofTianjinInstituteofUrbanConstructionVol.10No.2Jun.2004X,,(,300384):,.,.:;;;;:X799.3031:A:100626853(2004)0220122203,(GBJ14287)(97),[1].,.,..112.120[2]md-10.303.000.80KsmgNH42N/L0.200.500.40YmgMLVSS/(mgNH42Nd)0.100.300.20Kdd-10.030.060.05220[2]md-10.300.900.30KsmgNO32N/L0.060.200.10YmgMLVSS/(mgNO32Nd)0.200.400.30Kdd-10.040.080.062(1)mm=0.8exp[0.098(t-20)]DOKO2+DO[1-0.833(7.2-pH)](1):mDOpH,d-1;t,;DO,mg/L;KO2,KO2=1.3mg/L;pHpH,7.2.(2)qmaxqmax=mY(2):qmax,mgNH42N/(mgMLVSSd);YX:2003212215:(1971-),,,,.1.(3)mcNdcNmcNmcN=Yqmax-Kd(3):mcN,d;.dcNdcN=SFmcN(4):dcN,d;SF,,1.52.5;mcN,d.(4)qq=1dcN+Kd1Y(5):q,mgNH42N/(mgMLVSSd);.(5)TKNN1N1=qKsqmax-q(6):N1TKN,mg/L;Ks,mg/L,1,Ks=100.051t-1.158;.(6)t1t1=No-N1qXN(7):t1,d;NoTKN,mg/L;XN,mg/L,XN=(0.080.10)Xv(8):Xv,mgMLVSS/L;.(7)V1V1=t1Q(9):V1,m3;Q,m3/d;.3(1)20qD20.20qD203.3qD20[3]qD20/mgNO32N(mgMLVSSd)-1/qD20/mgNO32N(mgMLVSSd)-1/0.0300.11025270.754250.289200.530200.349250.575250.603250.386200.362250.08425qD20=0.3FM+0.029(10):qD2020,mgNO32N/(mgMLVSSd);FM,mgBOD5/(mgMLVSSd),0.20.4.(10).(2)qDTqDT=qD20(t-20)(11):qDTt,mgNO32N/(mgMLVSSd);qD2020,mgNO32N/(mgMLVSSd);t,;,=1.09.(3)t2t2=ND-N2qDNXDN(12):t2,d;NDNO32N,mg/L;N2NO32N,mg/L;qDTt,mgNO32N/(mgMLVSSd);XDN,mgMLVSS/L.(4)V2V2=t2Q(13):V2,m3;.(5)dcDdcD=dcNV2/V1(14):dcD,d;.4dcdc=dcN+dcD(15)321:5XX=(V1+V2)Xv1000dc(16):X,kgMLVSS/d;.6O2O2=aQ(So-Se)+b[Q(TNo-N1)-0.1241000X]-1000cX-2.86[Q(TNo-N1-N2)-0.1241000X](17):O2,g/d;abcBODNH42N,1,4.571.42;SoSeBOD,mg/L;Q,m3/d;0.124;2.86;TNo,mg/L;N1TKN,mg/L;N2,mg/L;X,kgMLVSS/d.7,pH6.5,50mg/L.ALKW+ALKC+ALKDNALKN+ALKE(18):ALKW,mg/L,CaCO3;ALKCBOD5,mg/L,CaCO3,ALKC=k(So-Se),kBOD5,mg(CaCO3)/mgBOD5,,4;ALKDN,mg/L,CaCO3,ALKDN=3.57(ND-N2);ALKN,mg/L,CaCO3,ALKN=7.14(No-N1);ALKE,=50mg/L,CaCO3;.(18),(18).4dck[4]dc/dk/(mg(CaCO3)/mgBOD5)200.1010200.05100.01:[1],,,.[J].,2001,5(17):46249.[2].[M].:,2002.[3],.[M].:,1998.[4].[M].:,1997.KineticsdesignontechnologyofbiologicalpredenitrificationfrommunicipalwastewaterCHIYong2zhi,LIYu,WULi2ping(DepartmentofMunicipalandEnvironmentalEngineering,TIUC,Tianjin300384,China)Abstract:Byintroducingrevisedsubstratekineticsparametersintothedesignontechnologyofbiologicalpredenitrification,themethodwhichusedsolidretentiontimetodesignthereactorvolumesandthecalculationformulasforsystemsludgeexcessamount,systemoxygendemandandsystemalkalinitycheckofthetechnologyareintroduced.Keywords:municipalwastewater;technologyofbiologicalpredenitrification;biologicaldenitrification;kineticsprarameters;re2actordesign4212004102