单级曝气生物滤池处理生活污水的动力学特性

38220062JOURNALOFHARBININSTITUTEOFTECHNOLOGYVol138No12Feb.20061,3,2,2,3(1.,150001,E2mail:[e-mail];2.,150090;3.,250022):.202215,HRT1125hUBAF-AUBAF-BUBAF-CK1115214,117422116372.,,,.,,pH,.3,.:;;;:TU375:A:0367-6234(2006)02-0203-05Kineticcharacteristicofsinglebiologicalaeratedfilter(BAF)fordomesticwastewatertreatmentQIULi2ping1,3,DUMao2an2,MAJun2,ZHANGLi2xin3(1.PostdoctoralProgrammeEnvironmentalEngineeringandTechnologyCorp,HarbinInstituteofTechnology,Harbin150001,ChinaE2mail:[e-mail];2.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;3.SchoolofCivilEngineering,JinanUniversity,Jinan250022,China)Abstract:Thekineticmodelsoforganicsandammoniaremovalinabiologicalaeratedfilter(BAF)fordo2mesticwastewatertreatmentwereestablished.Thekineticconstantsk1ofreactorUBAF-A,UBAF-BandUBAF-Cwere15214,17422and16372respectivelyundertheoperationalconditionsoftemperature20225andHRT125h.Theresultsshowedthatorganicremovalefficiencywasaffectedbythefiltermedia.Thegravelmediafilterhasabetterperformancethanthatofceramicmedia,andthesmallsizemediafilterhasabetterperformancethanthelargeone.ThekineticcharacteristicsofammoniaremovalinBAFwereana2lyzed.Theresultsdemonstratedthattheammoniaremovalratechangedwiththeactivitydistributionofammo2niaoxidizerinasingleBAF,whichwasaffectedbystratumconcentration,DOandpHvalue.Thethreepa2rameterschangedalongthewaterflowandthenitrificationratetoremoveorganicsandammoniachangedinthreedifferentkineticregionsinthereactordimension,thatisDO,doublematricesandsubstratumcontrol.Thereweredifferentcharacteristicsofnitrificationrateinthethreekineticregions.Keywords:singlebiologicalaeratedfilter;kineticmodel;organicremoval;ammoniaremoval:2004-06-09.:(59825106);(Y0417).:(1968-),,,,;(1962-),,,,.,,,[4].,,.,[2,3],,COD,,.13,UBAF-AUBAF-BUBAF-C,2500mm,100mm,,(1),1600mm,150mm,1015mm,.20cm.,..NH4ClKH2PO4CaCl2H2OMg2SO47H2ONaClFeSO47H2O.1/mm/(gcm-3)UBAF-A581119UBAF-B352156UBAF-C3511152COD[2,4],,.[2,3],.211,,r=dsdt=-ks.(1):r;st;k.,,,,1.11,H,Q,S0,Se,A,,.dv:--=.(2):dv,Qds,mg/d;dv,,dsdtAdv+dsdtSdv,mg/d;dvdsdtdv,mg/d.dvQds-dsdtAdv-dsdtSdv=dsdtdv,(3)dv=Adh.(4):Q,L/d;dsdv,mg/L;dv,L;Adv,m2;dhdv,m;(ds/dt)Adv,mg/(Ld);dsdtSdv,mg/(Ld);dsdtdv,mg/(Ld).,,dsdtdv=0.,(3)40238Qds-dsdtAdv-dsdtSdv=0.(5),,(5)Qds=dsdtAdv.(6),(1)(4)(6),Adsdh=-kASQ.(7),,QAk,K1=kAQ,(8):K1,m-1.(8)(7),dsdh=-K1s.(9)(9)S=S0e-K1h,(10):ShCOD,mg/L;S0COD,mg/L.(10),.(10),Eckenfelder[5]:CeC0=exp{-KHav1+m[AQ]n}.(11)(11)CeC0=exp-K2HLn.(12):CehCOD,mg/L;C0COD,mg/L;Hh,m;A,m2;Q,m3/h;av,m2/m3;KK2mn;L,m3/(m2/h).,(10)(12),K1K2Ln,K1.212K1.3,,,K13,K1.K1,(10)ln(S0/Si)=K1h.lnS0/SihK1.202215,HRT1125h,COD,(2),UBAF-AUBAF-BUBAF-CK1KA1=115214,KB1=117422,KC1=116372.2,3,lnS0/Sih,,(10)COD.UBAF-AUBAF-BUBAF-C(3),,UBAF-BKB1UBAF-AUBAF-C,,UBAF-CKC1UBAF-AKA1,,.2K13,.Monod,,,5022,:[6]:qN=NYN=qN,maxNKN+N.(13):qN,g/(gVSSd);qN,max,g/(gVSSd);N,d-1;YN,g/(gNH4-N);KN,mg/L;N,mg/L.,,1,H,Q,N0,Ne,A,dvdN,dv(2).(2)dv,QdN,mg/d;dv,,rAdv+rSdv,mg/d;dv(dN/dt)dv,mg/d.dvQdN-rAdv-rSdv=(dN/dt)dv.(14):dNdv,mg/L;rAdv,mg/(Ld);rSdv,mg/(Ld);(dN/dt)dv,mg/(Ld);.,,,(14)QdN=rAdv.(15)(4)(15),rA=QAdNdh.(16)hdvNh,Xa,(13)rA=qNXa=qN,maxNhXaKN+Nh.(16)dNdh=qN,maxAXaQNhKN+Nh.(17)(17),,Xa,(18),KNlnNhN+N-Nh=qN,maxAXah/Q.(18)vmax=qN,maxXa,mg/(Ld),(18)KNln(Nh/N)+N-Nh=vmaxAh/Q.(19)[6]KN=10(01051T-11158),,KNLn(Nh/N)+N-NhAh/Q,,vmax.-NNhh,KNvmax.,,,,[7],,OURV,,,(19).pH[6],N=maxNhKN+NhDOhKo+DOh[1-01833(712-pH)],pH.,Xa=K3,dNdh=qN,maxAmaxK3QNhKN+Nh2DOhKo+DOh[1-01833(712-pH)].(20)(13),qN,max=N,maxYN.(21)(21)(20),dNdh=2N,maxAK3YNQNhKN+Nh2DOhKo+DOh[1-01833(712-pH)].(22):K3.(22),pH60238.pH,,(22).,.,,,,,,,[7];,,,,,.,.,.,(22).,,mg/L,KN016316mg/L[7],NhmKN,,NhKN+NhNhNh=1,dNdh=2N,maxAK3YNQDOhKo+DOh[1-01833(712-pH)].,,,pH.,,DOh/(KDO+DOh),,pH,.,,,(22),Monod,pH,.,,,mg/L,KDO0115110mg/L[6],DOmKDO,,DOh/(KDO+DOh)DOh/DOh=1,dN/dh=2N,max(AK3/YNQ)(Nh/(KN+Nh))[1-01833(712-pH)].,,pH.,,NhKN+Nh2,,pH,.,3,,(),3,.41)S=S0e-Kh,K1.2)3,.:[1],.[J].,2002,20(3):7-11.[2]SINKOFFMD,PORGESR,MCDERMOTTJH.Meanresidencetimeofaliquidinatricklingfilter[J].JSanEngngDivAmSocCivilEngrs,1959,85(SA6):51-60.[3]LOGANBE,HERMANOVICZSW,PARKERDS.Engineeringimplicationsofanewtricklingfiltermodel[J].JofWaterPollutionControlFederation[J].1987a,59:1017-1028.[4]LOGANBE,HERMANOVICZSW,PARKERDS.Afundamentalmodelfortricklingfilterdesign[J].JofWaterPollutionControlFederation,1987b,59:1029-1042.[5]ECKENFELDERJWW,BARNHARTEE.Perform2anceofahighratetricklingfilterusingselectedmedia[J].JofWaterPollutionControlFederation,1963,35:1535-1551.[6],.[M].:,1998.[7].[D].:,2003.()7022,: