ࡱ> KMJ9 R(9bjbj2Dl ,,,,,,,,|~~~~~~$ V,,,,,F,,FFF,,,|F,|FF@@,  *J@@<0@e< e@F;m'`alll1.ldxpef[!jWvSU\_O 0~V~0 _  TNm'Yf[algc6RNDnSxvzV[͑p[[ Nwm0200092 00Xd)R(uZx̃(W:'lagN Nv8TxTS]xS\O(u [s.l0xv TeSd /fwQ g[(uMRofvW^al4lYtel ^z;m'`alll1.l0dxvpef[!jWR g)RNyb/gvc^^(u0e-N[ASM2d!jW0Barkerand Dold!jW0Delft!jW\ON:N~vN~ cQN1uZx̃_wv:'l8TxTS]xS\O(u-N㉳Qv 2*NS]xSZx̃Sm^vnx[T1uS]xSZx̃8Tx@b_wvxvQ\ϑ0 00sQ.͋!jWuir%{QirSduirǏϑdx\O(u:'l8Tx 00-NVR{|SX703.10 e.shƋxA 0ezS1009 24552004 02 0001 04 Development of Mathematical Models of Demtrihcation and Dephosphorization by Activated Sludge Process XU Wei feng GU Guo-wei ZHANG Fang She Key Lab of Pollution Control and Resource Reuse Tongji Universiry Shanthe 200092 China 00AbstractThe use of the phosphorus uptake and denltrification of PAOs under anoxic conditions for the0realization of the simultaneous removal of nltrogen and phosphorus is a method with practical prospect for munic ipal sewage treatment and the establishment of the mathematical models of denitrlfication and dephosphorization0by activated-sludge process benefits the popularization and application of this technofogy.Models ASM2d Barker0and Dold and Delft are presented in a detailed way in this paper with two issues raised which need to be re solved in the anoxic phosphorus uptake and denitrificatlon caused by PAOs i.e.the determination of the concen tration of denitrification PAOs and the decrease of phosphorus caused by the phosphorus uptake of denitrification-PAOs. 00Key words model; biological nutrient removal; biological excess phosphrus removal;anoxic phosphrus0uptake 001990 t^Neg Yf[v~bS g:'l8Txsa[1] sS@bvS]xSdx\O(u0ُy\O(u(WSt N/fǏNy|Q'`S]xS~̃ryrvuirDd>ex\O(u [sv ُye_\S]xS1.lNuirdx g:g0WTN:NN Sw~50vCODT30v'lϑ v^v^Q\50viRYOallϑ0V :NSc~vYtb/g[2]0N[ N [-N]vLv UCTzX[(W@w N\S]xSZx̃DPB 0(W] z[-N wpQDelft'Yf[xSQNySWvUCTz  BCFS v^(W10^GS~be^al4lYt:W-N[E^(u FOُeb!jWvxvz]\O؏k\0Vdk (Wcuir%{QirSdvpef[!jW-N Sb1uDPB_wv:'l8TxTS]xS\O(u0 1 N~3*N;N!jW 00BarkerTDold;3=ՋVǏN N$Nyel\DPBSb(WZx̃}Y'l8Txv!jW-N`$$N{|Zx̃^\ sSS]xSZx̃T}Y'lZx̃a$N{|Zx̃^\ sS(Wuirdx|~-NSX[(WN{|Zx̃0'YϑՋ][nx[X[(W@w$N{|Zx̃ 6q N$N{|Zx̃:NW@xvpef[!jWv:p/f (W+T}Y'lkv|~-N}Y'lZx̃O'YϑXkv^g~b:NOR̃y ODPB@b`SkOegNO0ck/fƋ0R Nv:w !jW-N8^SSbN{|Zx̃ Ǒ(u N TvS^s u(WgN`Q NǑ(u N TvSf[ϑ|pe0vMR;N g3*N!jWc:'l8TxTS]xS\O(u`$ASM2d!jWa$BarkerDold!jW[3]b$Delft!jW[4] 1.0ASM2d!jW 00ASM2d!jWǏXR DPBv$N*NǏ z[ASM2 !jWۏLNۏNek^8O vQ;NN(W:'lagN NZx̃)R(uSOQ.X[vPHAۏL`$Xka$8Txv^lS:NZxSTir0ُ$N*NǏ zN}Y'lZx̃vXkT8TxǏ zN7h S/f(W:'lagN NR+RXNN*NbQ|peNO3 sSS0ُfv^ N/f@b gvZx̃(W:'lagN NuT.x bS]xSZx̃vus0.xsk}Y'lZx̃NO0 00^S_fv/f _{Q̃4lbaSuirM g:girvbQ|peFe NASM2 -Nv0.lXR0RASM2d-Nv0.2 ُ>fW0WXRN(WS'lagN NbaSuirM g:gir4l:NfuirM g:girvs vQ~g/ffuirM g:girf_0WSu:N%cS'`xVFA ُyVFAZx̃@b8T6e g~X:_Nuirdx|~vHeg0 1.2 BarkerDold!jW 00BarkerDold!jW/fN ASM1 TZx̃vpef[!jW[5-6]:NW@x\ONv^vO9e vQ;NO9eR:N`$Zx̃v:'l8TxSS]xS\O(ua$CODvSd0 1.2.1 Zx̃v:'l8TxSS]xS 00BarkerTDold:NNRZx̃(W:'lagN N)R(uNO3-\O:N5uP[SSO ۏ 'lSSOQ.X[vPHBv^NsX-N8T6exxv0Ƌ0RN$N{|Zx̃:NW@xvpef[!jWv:w [N(W:'l0}Y'lagN NR+RǑ(u N TvRRf[8^peTSf[ϑ|peeg_NN{|Zx̃ sSXNNN*NbQ|pep0dkY N}Y'lagNvk :'lagN N8Txs\0 1.2.2 CODvSd 00CODvSd:gtSbN N3*NǏ z`$baSuirMCOD4l:NfuirMCODa$SuǏ zsS_{Q̃\fuirMCOD4l:NVFA0(WASM2 -NO(uMonode z^zNSuǏ zvRRf[!jW S NǏNs|peY(uv/fS'lagN NvNs|peYH ANA0NAMS2 vk !jWGP[N gRSuNirYac= 0.4 /fwx vQYOR(W|~-Nm1Yb$Zx̃8T6eVFA1uZx̃8T6evVFA-NN gRYPHB0.889 lS:NPHB vQYOR(W|~-Nm1Y0 1.3 Delft!jW 001996t^KubaI{N[7]NS'l}Y'lZx̃v}Y'l8TxN"!jW:NW@x cQNS'l:'lZx̃v:'l8TxN"!jW0T MumleituerI{N[4]~TN N$N*N!jWb_bN*NS'l:'l}Y'lZx̃v[teN"!jW y:NDelft!jW0ُ*N!jW-NbR0W(u TNWYRRf[e zTSpecN$Nydx:g6R S/fǑ(u N TvSpe:@T^ "*4fj  <B@FV\  " !!(":"&$,$`$H*H*5\CJaJ5CJ\aJ]"$~p88 9"9$9ilf$If7$K$L$Ifj 634a$IfK$$If$If $$Ifa$5$$IfT 634a $$Ifa$ (9`$$$$%%''''( (2(6(++..88 9"9$9&9(9 CJOJQJCJaJ jUH*5\$9&9(95$$IfT 634a0182P. 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