分段进水的生物除磷脱氮工艺

1,2(1.,300074;2.,300074):,:;/;:X703.1:B:1000-4602(2003)04-0032-051,(BNR),,,,,1991Tallman,/,,MLSS,Fillos/[1]2090,NalascoDaig2gerLethbridge,UCTVIPLethbridge49000m3/d,1998[2]90BNR,2211,SRT,MLSS,(),24(1),1/,,[1],BOD,MLSS,,;()232003Vol.19CHINAWATER&WASTEWATERNo.4中国城镇水网(1),=(1-TNef-TKNefTNin-TNex-TKNef)100%(1)TNinTNefTNexTKNef,(1),,,:=(1-1N11+r+R)100%(2)NrR(2)14(2)250%()78%,,50%300%,,(2)(2)(1),1996,,(1)(2),,[3]21212,,25%,50%,SS,MLSSMLSS,MLSS,MLSS(),11[3]1MLSS(mg/L)(%)MLSS(mg/L)(%)30001001600012.52450016.73360020.84300025.010075.0(50%)OregonWashington,RockGreek,200166435m3,:,;,[4]21213,BOD,332003Vol.19No.4中国城镇水网[1]3BNR,,BNR,UCTMUCTVIPBNR2090NolascoDaigger,90,33BNR3,UCTVIP,//,,,,(CBOD),CBOD,()CBOD(VFAs)[2]3,,UCTVIP(),,,,,,MLSSMLSS,BNRSRT,[2]4BNR:[1]411TallmanBioWin,,,,,,412,,,TN,,MLSS,,,,TN,413DODO,DO,BNR,,,DO,DO(0.5mg/L)432003Vol.19No.4中国城镇水网(),,,,,MLSS,,,,,,,415,,(VFAs)(PHB),,,PHB,,(VFAs),,BOD5/TKNBOD5/TP5511,,(94600m3/d)1225%50%,3425%,2000,9SS60mg/LCOD158mg/LTKN21.1mg/LNH3-N15.7mg/LpH7.596mg/L(CaCO3)1316d,HRT4.1hMLSS2000mg/L,50%,,,1mg/L,,1568%,2464%,,,,[5]512LethbridgeLethbridge2070,,90BNR,1998Lethbridge(3),,MLSSBNR18%,18%14,BOD5247mg/L,TKN41mg/L,TP14mg/L,TSS147mg/L,TP1mg/LSRT79d,HRT11.6h//12%19%69%,,,,1999BOD5118.5mg/LTKN37.8532003Vol.19No.4中国城镇水网=11.1BOD5/TKN=3.0TP15mg/L,TP1mg/L,NH3-N0.5mg/L,NO-3-N5mg/L[2]6BNR,,,,,,,,NBR,:[1]CarrioL,StreettF,MahoneyK,etal.Practicalconsider2allonfordesignofastep-feedbiologicalnutnentremovalsystem[A].Proceedingsof73rdAnnualConferenceandExposition[C].USA:Anaheim,California,2000.[2]CrawfordG,BlackS,StaffordD,etal.Thestepbio-Pprocessatlethbridge-overonefullyearofoperation[A].Proceedingsof73rdAnnualConferenceandExposition[C].USA:Anaheim,California,2000.[3]SakaiY,KoikeS.Developmentofstep-feedmultistagedenitrification-nitrificationprocess[A].ProceedingsofWaterEnvironmentFederation71stAnnualConferenceandExposition[C].USA:Orlando,FL,1998.[4]MilindVWable,CarloSpani.Sidebysidecomparisonofstepfeedandplugflowactivatedsludgeprocessperfor2manceattherockcreekadvancedwastewatertreatmentfacility[A].Proceedingsof75thAnnualTechnicalExhi2bitionandConference[C].IllinoisUSA:McCormickPlace,Chicago,2002.[5]FillosJ,RamalingamK,CalTioLA.Full-scaleevaluat2lonofstep-feedBNRprocessataNewYorkCitywaterpollutioncontrolplant[A].Proceedingsof75thAnnualTechnicalExhibitionandConference[C].IllinoisUSA:McCormickPlace,Chicago,2002.:[phone]E-mail:[e-mail]:2003-01-20ZrO212mZrO2(),1.3cm,0.7cm,12m,SEM,,,ZrO230min,,ZrO2:0.8g/L150kPa0.1m/s,,0.51m,,0.20.3m3/(m2s),ZrO2,,95%,COD90%()632003Vol.19No.4中国城镇水网