德国一段硝化和反硝化活性污泥法曝气池的设计计算上

57Vol.23No.21997BOD5,OBBOD5OVC8,tTSOVN(kgO2kgBOD5):OVN=[4.6(Bd,NO3-Nmax-Bd,NO3-Nd-Bd,NO3-N0)+117Bd,NO3-Nd]Bd,BOD5max(7)Bd,NO3-Nmax()()(kgd);Bd,NO3-Nd(kgd);Bd,NO3-N0()(kgd);Bd,BOD5max()BOD5(kgd),10,1020OB(kgO2kgBOD5)CX,(8):OB=CSCS-CX(OVCfC+OVNfN)(8)CS()(mgL);CX(mgL),:CX=2mgL;CX=2mgL;CX=015mgL;fC;fNfCfN9:OB=OBBh,BOD5max(kgO2h)(9)Bh,BOD5max()BOD5(kgh),,,OVC(kgO2kgBOD5)84681015251001830196110511151132115512018711001110112011381160150194110811201130114611601811001117113011401154116020110511221135114511601160()(d)T()------9tTS(d)468101525fC113011251120112011151110fN(20000)215021001150fN(100000)21011801150tTS-58Vol123No.21997110210,,,,51,,,,100300%,,2mg/L,1/43/4NH+4-N,NO-3-N,,,,,38W/m3KS,,115mmol/L,,,(10):KSe=KS0-[0107(NH0-NHe-NO0+NOe)](mmol/L)(10)KS0KSe(mmol/L);NH0NHeNH+4-N(mg/L);NO0NOeNO-3-N(mg/L)mmol/LmgHCO-3/L2mmol/mmolN,817mgHCO-3/mgN;1mmol/mmolN,4135mgHCO-3/mgN(),,CO2,pHCO2015110mmol/L,pH616619pH710pH10,,,()11Qt=26000m3/d;Qtmax=1530m3/h(Qtmax),Qm3000m3/h21,()5850kg/d6000kg/d,85%()7000kg/d,:Bd,BOD5=6000kg/d,230mg/L;Bh,BOD5=250kg/h;Bd,BOD5max=7000kg/d;Bh,BOD5max=292kg/h31,TKN1192kg/d,160kg/d,TKN1192+pH(%)(mmolL)pH106912182411061961761661561411571161961861761621071271061961861721571371171061961831071471271171061959Vol.23No.219971601350kg/d(2mg/L):52kg/d;(BOD55%):300kg/d,:Bd,TKN0=1350-01056000-0100226000=9981000kg/d;85%1550kg/d;(2mg/L):52kg/d;(BOD55%):350kg/d,:Bd,TKNmax=1550-01057000-0100226000=11481150kg/d4185%,Bd,NO3-N0=0,Bd,NO3-N=Bd,TKN0+Bd,NO3-N0=1000kg/d,3814mg/L;Bd,NO3-Nmax=Bd,TKN2max+Bd,NO3-N0=1150kg/d5185%Bd,NH4-N0=1160kg/d,4416mg/L;(15501000/26000-15()=4416mg/L)61TS0/BOD550%TS0=3350mg/L;BOD5=5000mg/L;TS0/BOD5=016771KS0=715mmol/L81,(175m3/d160kgTKN/d)24h()11,(10),NO-3-N15mg/L,2mg/L,:2600001015+2600001002=442kg/d:1350-4421350100%=67%Bd,NO3-NdTKNBd,TKN0NO-3-NBd,NO3-N0,NO-3-NBd,Ne:Bd,NO3-Nd=Bd,TKN0+Bd,NO3-N0-Bd,Ne=1000+0-2600001015=610kg/d:6101000100%=61%6RF()150%21VD/VBB,1kgBOD5:(Bd,TKN0+Bd,NO3-N0-Bd,Ne)/Bd,BOD5=(1000+0-390)/6000=011kgNO-3-N/kgBOD55:VD/VBB=01331VD/VBB=0130,3tTS=11d(100000)4111dTS0/BOD5=0167,7BOD5:USB=USBOD5=0181kg/kgBOD551(1)BOD5(4)BOD5:BTS=1/(USBtTS)=1/(018111)=01112kgBOD5/(kgd)4:TSBB=215kg/m3(5)BOD5:BR=BTSTSBB=01112215=0128kg/(m3d)(2)(6)VBB=Bd,BOD5/BR=6000/0128--------+60Vol123No.21997101020112111101186000115011180176311111211112110700010001118016621541121111011860001150111801462145112111121107000100011180141212309283110210600011501135014621920928311211070001000113501412161OVCOVNOB(kg/d)tTS(d)(mg/L)CSCXfCfNBOD5(kg/d)(kgO2/h)(kgO2/h)(kgO2/h):206d,8d11=21500m3VD=21500013=6450m3;VN=VBB-VD=15050m361,BOD5OVC(8)OVN(7)BOD5,OB(8)fCfN(9),1110,,:OB=OBBh,BOD5max=3111292=908kgO2/h71(1)KS0=715mmol/LNH0=4416mg/LNHe=0mg/L()NO0=0mg/LNOe=3814mg/L(10):KSe=KS0-[0107(NH0-NHe-NO0+NOe)]=715-[0107(4416-0-0+3814)]=1169115mmol/L(2)KS0=715mmol/LNH0=4416mg/LNHe=0mg/L()NO0=0mg/LNOe=15mg/L(10):KSe=KS0-[0107(NH0-NHe-NO0+NOe)]=715-[0107(4416-0-0+15)]=313115mmol/L81pH10%,10pH:(1)710;(2)713[1]BemessungvoneinstufigenBelebungsanlagenab5000Einwohnerwerten,ATVArbeitsblattA1311[2]AbwasserreinigungmitNitrifikation,Denitri2fikationundPhosphorelimination,KorrespondenzAbwasser,Feb119911[3]weitergehendeAbwasserreinigung,OldenbourgVerlag1:31400123:[phone](O):199621027