1 ? E 1c ê ￡￥z 3t) ? = ?ê CE ? ?? ?ê CE￥?Z?M 2 .d?ê CE vh ÷  s? ÷  ? ??E 0a ÷  'a ÷  úμ? ÷ M? ÷  X ? ?E ü H ÷  ¤(×?E ? B ÷  ?ê C 3t ry "#'y\  ? 3t?3y\ "#E ? ? T?ê CE 4#3E ?ê CE￥??Z T μt ?"? ??b? .dw @ T 3 Tapering Aeration w @ T￥.d ÷ y??A￥3 é Z_ ^??/?￥b L= f ? ^ -? ùù?a?   ?V31b vh ÷ ￥ "￥ü ^? ?￥?? ? ?  P?  ?M?79￥ b  ?M?" V[4ú) ? r qb vh ÷  4 vh ÷  ü ? @￥B?sVy ? ??y?￥??s?é ￡b s? ÷  5 ? ??E s? ÷ ￥$ éB?vv9Fé ￡?] HM ?9Fí @ê Ci P  ÷ y?á ??éH?y0 ?9 ?S?? ?? ?b ? ??￥à Q 6 ?yA?ò??s￥± 3t? ?? ? 'M] 3? ìa9'M] ? ? @C  μ? HyA￥F?M?9?ly1 ? ?9F￥μ? V1 ?y?A ?s?7? ^^w @? ????sí @ê C ???b? ??yV ?il  ? ? ^B?v￥? ? (?yy<ê ￡￥) ??μ B?a? èyA úò??s￥3 1? ( b ? ??E￥+? ? ??E 7 0a ÷  +?  ???? ?  §W￥.? ? qKv￥b ￡￥ 0 a)¨v  b é? ÷ ü V[¤?ú￥.? ? qb  M ? ??:1BTWFFS￥ù? ￥á? ￡?￥.?+? ?/m ? Ub 0a ÷  ? ? ￥ 'b? ￡ ?[/jNS?1R V[? 8 ? ?n¨? ?r q VrLH0  L8Ib V[¨B?￥ ???b 0a ÷ DB? ÷ M1 b  9v??a?1B? ÷ ￥￣P·?L1B#è{ {μ/?b ÷ y ￡ 'B?N ' z1  1 N  N  )  0I 0ay a¨??l?? ￥ê ￡ìb ??? "dé??? ￥ ? 4 àμ¤?w< ?¨b 8 'a ÷  'Y ÷ E) ? @? 'Y ÷ yem B? ÷ y°??N ￡ '?jNb 'Y ÷ E ' 1jN? 8 ¨1 ?b  'Y? V ?¨ b T1? ?\ PA @?ìb 'Y ÷ E??ê Cü sa ?M??v LlV ü? H ± 3t￥??}? ? ?iísèM????? ? s ￥ μB?￥M?b 'Y ÷ y = A? @vA ÷? y\ P, -B ′9 v] H A¤( HW9é ·3￥?9μ''￥9 F79Fb ?YCa K s ? Hê ￡ V ??YVYC 1iê ?1/ ￡b ''a ÷  9 ?sê ￡ìo31?s) ?yNá 3 ú μ? ÷ Eb ÷ y?￥.-44?1jNH- ÷  HW1? ?1jI) ?r q?? P·μY?.d￥?ê CE#è?M? ÷ b úμ? ÷ M? ÷  10 X ? ?y? =ü h?￥  bAF?í @ê C?B  ÷  ?aé ? ÷ y X? ú ￡??t￥ê C 3nù5??V?? 1 X ? ?Eb h?y  bA??μ?? V[?v   ￡??t}? ?3￥b h?y  bAC{￥h?ê C1×?v μ? ??A??? ?￥?rb X ? ?E 11 ü H ÷ ￥+? ÷  HW?érI .à÷é.-44?úr ?jNH- ?ê C HW? bW ?s)? =÷?  ? :?ê C 7×?í3h? V°¤ ?b a¨?ê ￡ ?l￥??í M ?S =l?ê ￡) ?) ?"dμ P¨b ü H ÷  12 ¤(×?E ?A ÷ V???B¨ #0%  ￥/? ^?? ? T¨/?￥? ·3￥μt ?T¨?v à μyNü??ZE?1¤(×?E9? ? 3 E?A￥ ÷ ??  ?T¨í @ê C￥ ÷ ? ?×?T¨b ?BZE°¤¨?eê ￡￥) ?1¨??y￥ @rT z?y V[?¨ :?ê C 9Fb ¤(×?E 13 ? ^ü H ÷ E￥B?+ y? T ?￥y8.éy ''? 0￠? !μV ? ÷  ?b ÷  ?￥?w? =A8á ? @? |¤ ÷ ?? ó ?T¨??A @ ??1jNT P?ê C??? ?b ? 14 15 B}9 b  V[4ú 3t) ?￥ ?bB ÷  y￥/nm b B ÷  B ÷ ￥ ?? ^B? 3  ?^C#p ?ˉ 5 ?? ?Pb  á>￥ ? ? ·3￥? V4ú ·3￥ w? ?9 ?"4ú.? ? q9F y7) ?rT zê C￥???9zbB ÷ i àμ?M?ê C ± 3t￥?é? P± 3t s?è T¨b 16 ?ê C 3t ry "#''y\ m1"#''￥ @?Yè￥?ê CV?- - !?B? ó T ry ?] ry V[ ^1 ói ó￥b ó T ry r V ? ?"?￥?ê CyN r ￥ ???/?]?B? 3t ryb ry9 V[ AT?¨V ? ÷ + y? T￥ ÷ y ó ^ B??￥ <   by7"#'' V[ a1 ^B?ˉ? T ?ê CEb ?ê C 3t ry "#''y\ 17  ? 3t?3y\ "#E 18 ")[úμ??úμ??#)[?μ??") ÷ yT = HW jNJO#)T = HWjIb ?"d? !?y") ÷ y ^B? 7b?￥ 3t" db"a# )ò1μ? ?￥ê Cí @"d )￥ê C o?Mb ) ?rT×? μ F  μ?Q)′M?￥ ? ?b ?y\? V[? ü6 L ?é?s ùy !b  ? 3t?3y\ "#E ? ? T?ê CE 4#3E m14#3y\￥''?  T ''?T @??é ￡Q??? ￡?=????''V? F?Vê ￡ @ ??=?2 ??B?? ù ??? ù ú  ?V?? ^B? !μ ÷ ?ó ?￥Q?  =GQé?￥b 19 20 21 ?y\"dF?e? nm? !=?y ÷ yY =? y￥? ?íê Cí @ !! ? 0  μ?B? f ?/  ?y<ê ￡) ?í3 !? ??y èQ?w? ?v^?¤?a? ?? @"d￥ ￡ ￡é é??T 2YV a???ò?í?T￥ ? Vr??? " ￥rT êê C??? ?z47*′?? ?μr1]? ′ ) 3n ??y\￥ò?T¨ #ò[?·S VYV9 ?F[ e ?L?1 e?^??15 ?b ? ? T?ê CE 4#3E 4#3y\D ?? @?ê Cy \M1￥a? ? ? ?¨ q? ? ￡h ? >v è ￡? ?? é?′3 ú ê !! ?¨ q? ?? e?ˉ ì? a¨?v ￡ b ? ? T?ê CE 4#3E 4#3y\￥ ?? 22 Countercurrent Aeration System(CCAS 23 #JP-BD ? ÷ "d ¨? BOD ?"???b?￥+??ê CEa ?? 24 25 ? 1? ?ê CE￥ !99 ? 26 ?ê C"dy\ !9 ?ü??"dT1?8 ? I n ? ÷ ya=?ya ÷  !!aí @ !!? .à ? :?ê C￥) ?)?b ?1 !9 = ? \ @?ê4  ÷ y ??ytj￥ ?? =?yó b uaê C u￥y\ !9 "d !9 ê Cí @ !! !9 ?1G  ￡é ￡''  3ê ￡ 3ê ￡1?￥ì gê ￡? ? !9ü y<l ￡ kù? !9? ? y\ @?￥ê4 31?°ù?? l"￥$''  ê ￡￥ ￡  ￡é''  ￡ 1"?) ?? ?ZEs9 ??i l" q? 1/ ￡ 1 ?  ￡é %?ê¨￥) ? @??) ?? ¤ ,ê ￡￥`''   ` ￡ó''  ê ￡) ?ìì?''  ì?1?''  ì?1é''   :?ê C￥ ^?ù @?ê4 ^?ê C !9?￥ n1ù51"? °a￥ ×? V Laü6?ìarmA?WD?°￥$ é?/ ?aü61?[¤?5é? ?￥ @?b 27 ÷ y￥9 ?BüZE ? ~ ?  -BXSPODF? ? 5o .D$BSUZ E μtμ ? qE ?á D .D,JOOFZ E μtμ? q￥ ?V UZE ?ê Cμ? q/ 4  e?ê Cμ? ÷  u ?μ? q/ 7  e? ?μ? 28 ? ?y\￥üT = HW?ü ?" q ?? ÷ y￥ ￡ ?T = HW ?  è @ N  I ÷ yé ￡#0% i NH- ￡1 pNH-?¨?é ￡ p ÷  y ? ?é ￡ü ?" q  üT = HWl H |T = HW1I 5 ÷ y ?7"?N   ü ￡ ?T = HW t ê Cμ? q ^·?ê× ?ê C?ê HW = ? ?? s￥#0%  '' 0S S X qv N V ρ ρ = T?/Tê Cμ? q LH#0%  LH.-744·E RWD ÷  HWM?￥ ü (é ￡ @ N  E 5 T  ÷ yé ￡￥ ü (#0%  ?NH- 5 T  ÷ y?￥ê C iNH-b ê Cμ? q 29 ?μ? ^·?ê ? ÷  u?ê HW = ? ?? s ￥#0%  '' T?/W ?μ? qLH#0%  N  ·Eb ?μ? q 0VS VSX q NN V ρ ρ== 0S S X qv N V ρ ρ = 0VS VSX q NN V ρ ρ== ?  ? ??B T V9 ? ÷ y￥8'' 00VS VS SX V qq V N N ρ ρ ρ == 5 T ?RW ^X?￥5 Y ?/ V? IVê4b ? ty<ê ￡1YV k ? ??5 Y ?/′bê Cμ? qE?¨ZL?31B?￥üb 30 μt?331￥  3 ￥9 ? 0 () 0.68 VS S q ρ ρ? ?3￥ " ê C￥?  3 ￥9 ? ?3￥ " 9 1 31 ??b?3  3 ￥9 ? 3 ￥9 ? 32 93 ￥9 ? ? ~ ?? ? 5oE  1 ÷ y?é ?" ? q?± 3t i￥1"Z? T?E5 T EUé ?" q''?ê HW =?ê8 ?"￥é NH#0%  -·I ,Kv￥?ê± 3té ?" ? q''?ê HW =?ê± 3 t  ?"￥éNH#0%  NH744·I 5 T ± 3t??￥é iNH#0%  - , T ?è ? ′??é ?" ? q￥, H￥é i NH- 5 Y ± 3t￥ iNH-b SSX SS dK dt K ρ ρρ ρ ? ? = + 33 SSX SS dK dt K ρ ρρ ρ ?? = + S X d K dt ρ ρ=? SX S S K K dt d ρρ ρ ?= ?5 T ,T H?Z? Ve?1 ?5,T H?Z? Ve?1 ? ÷ y ￡1 pú Hè)?5 <Ks ?b ? ~ ?? ? 5oE ó± 3t￥9é?é￥ ?"1" T SX dX dd yK dt dt ρρ ρ=? T? Z??" ?NH744NH#0%   , E  =÷}?" ?I  b 34  TV ü ÷ y?￥± 3t￥M? ^???? =÷} ? Z ?8???￥b?]￥?Z T??]￥ ￡éZ? , E ′ ^?]￥b?ê CE??￥" ?′ V?n/V SX dX dd yK dt dt ρρ ρ=? () SX obs dd y dt dt ρρ = ? ú￥Z PCTFSWF Lé ^ h"  =÷}?a￥ê??" ??1V4??" ?bZ1 ? ???" ?b SX dX dd yK dt dt ρρ ρ=? 35 ? ~ ?? ? 5oE ?? ?? ÷ y￥9 ?  T ? ÷ y8￥9 ? R W é ￡ @  R WX  ?"￥ :??ê C @  R WS ê Cí @  5 Y  ÷ y?￥± 3t i 5 YF  @ ￡?{<￥± 3t i 5 YS í @ê C?￥± 3t i 5 T é ￡é i ê 5 T  @é i 7 ÷ y8b 36 ± 3t ü (T = HW??ê C - ^·Q? "d =￥± 3t ??÷?BQ ?¨￥ HWy ? ü ^·Q?"d =± 3t9 D ? ° ? ￥ :?± 3t ￥1′b[,DV U?ê1E () X C Vw X V Vw Xe V qqq ρ θ ρ ρ = +? m ? U"dé?± 3t ￥t  ü? [] ? ? ? ? ? ? ?+?+?=? Xd S XeVwVXVwXV X K dt d yVqqqqV dt d ρ ρ ρρρ ρ )( 0 37 ê ￡?￥5 Y ?l V[- {?9 y75 Y  ×? ?/E5 Y EU O 0SSS d dt t ρρρ? = ? ?a''¤ 0 () (1 ) CV S S XdC qy V K θ ρρ ρθ ? = + [] ? ? ? ? ? ? ?+?+?=? Xd S XeVwVXVwXV X K dt d yVqqqqV dt d ρ ρ ρρρ ρ )( 0 ? ~ ?? ? 5oE ?? ?? ÷ y￥9 ?  T ? ?￥ :??ê C 9 ? 38  M? X ?á )FVLFMFLJBO ? |YVl ￡ 3t) ?￥v  Lù?yT ?Cl ￡ 3t) ??± 3t9é??t ?3-Wi"B? ￥1" ? ^4  ?/￥Z? T () () SX g udX dd YK dt dt ρρ ρ= ?? () X g d dt ρ () S u d dt ρ ± 3t9éD?t?3￥''1" T T? ± 3tê9é ? ?t ?¨ ?3 ? :á q" ? , E  =÷?   ?h" ? 5 9 Q? ?± 3t ib B M 3?Q??± 3t￥9é ^?t?3￥2T4N -Wi"B?? 1"bC ?[E5 4  ±Q? H EU =￥?t h{ ?E5 9  EU =￥± 3t9é -W￥1 è1"′ YV/ TV U- T?: á q" ? 5 9 ± 3t ib ± 3t9é ? ± 3t19é ? X X d dt ρ υ = S S d dt ρ υ = X X υ μ ρ = S X q υ ρ = X s d Y d ρ ρ = / / Xt X s ts dd Y dd ρ υ ρ υ == / / XX sX Y q υ ρ μ υρ = =  ?t?3 ? ?t1?3 ? 39  L=y??á q" ? ?± 3t9é" ? Yè[ L=? ¤￥4?á q" ? ?± 3tê9é" ? Y obs }9b1N T V  T¤ T?0￡1± 3t1ê9é ?b V?1 () () SX g udX dd YK dt dt ρρ ρ=?? obs Yqμ′= ? (/) (/) Xg Su d XX ddt ddt YK ρ ρ ρρ = ? d Yq Kμ′= ??  () () SX g obs u dd Y dt dt ρρ = ] ?V T ¤ H]"[E4 d Yq Kμ ′ = ?? XdtkdXdX d ? '' ± 3t￥ê9é E9 ’1 dS Xdt k dS dX dS dX d ? '' '' q k yy d obs ?= 40 ? q k yy d obs ?= d c kqY ??= θ 1 ¤ )1( 1 ) 1 ( 1 cd c d c k y k y q θ θθ +=+= } ? ¤? '' cd c dobs k y kyy θ θ + ?= 1 cd obs k y y θ+ = 1 1 obs dC y y K θ = + 55 :??ê C 1Y [è????%8V U￥ :? ?ê C 1 0 () XobsVS S Pyqρ ρ= ?? 41 ? ~ ?? ? 5oE ?? ?? ÷ y￥9 ?  T è ?? ?3￥ b   μt 3?Q??μ?s$?μ?s??± 3t? ? :??ê C by7 ?3 1 0 () 0.68 VS S q ρ ρ? 9 ?3￥ " 1 ? 9 ? 42 ? b  9 ? ó? p3 [ ] VrFVCCKAOTR T L HTs La ?=??×??= ? ?? 20 )20( 02.1βα VCKSOTR SLa ×= )20()20( [] 20 ,, )20( 024.1 ? ×??? ? = T L HTS S FCC CAOTR SOTR βα ? b  9 ? SOTR STORSTOR D a 6.3 278.0231.0201. '' == × = ? ?3  b ?c  23.1%￥ á 1.201kg/m 3  I n? ÷  ￥ ?¨ q E 0  L=3? 1 0 '' /6.3 ESTOR E D D a a == N  NJOPSI N  NJOPSI 43 ?￥?a V?/ T9 ? T?1?￥?a ) ÷  ￥?à '' I E  ÷  ￥a ? ? >D ÷  !!? Tμ1 I G 5??￥9?a ? >I G I  I  I  %JM  ? ? >%??" ? I  %JM ’  ? ? > M’, M E  , M 15 ￥q￥| ?" ? ?a9 ? P = H + h d + h f ? ~ ?? ? 5oE  4w @ ÷ y￥9 ?  T ??? - ?? T￥ ÷ y L=rTμ?y7? ??￥9 ?  T9 V¨?w @ ÷ y￥9 ?b 44 ) ?ê ￡ 1N  Eü??a￥#0%  1NH- ?) ?a￥ ￡#0%  1NH-b1 p ?? ÷ y￥8 ? C ? b  büù?? ? ?/ Hq ?ê ￡?1￥ ? ÷ y??Aè????%8 .-744]?A??%8  .-44-11 èí @ê C44 i1NH- é ÷ y?.-441NH- ê !9￥, D 1E ? ￡?cμNH- 3t%8 ? ^ V 3?￥ ìê ￡?cμ@￥ 3?Q? ?3￥a ?  e± í í íê ￡ @ ￥9M?" ?1b è 3 ?? ￡???%8 ?]￥#0%   B??%8? V 3?￥?s1? NH- C V 3???%8￥K?#0% - "??" NH- D V 3???%8￥#0% - 1#0%  "?" NH- E ??ü ÷ y) ?a￥ ￡ ·3?#0%  ''5 T NH-"5 T NH-5 T "NH- 9 ?) ?r q&  ???y ? ?" ????%85) ?r q Vr 250 20 92% 250 E ? == 250 6.2 97.5% 250 E ? == ?9 ￡? ·3?#0%  ￥ i  ￡?￥9#0%  " ￡? ·3?￥#0%   ￡???%8￥#0%  45 X? 3 1 10 21600 / 05 / ( 6.2 / 3500 / 0.06 ( C V Se X d d qmd ymgmg mg L mg L Kd θ ρ ρ ? = = = = = = °Vê? °Vê? 5 ( )( )( )[ ] () () 30 10 21600 0.5 250 6.2 () 4702 (1 ) 3500 1 006 10 VSS C XdC qy Vm K ρρ θ ρθ ? ?? == = + +?? ?? 3 ?9 ? ÷ y￥8 3 è9 ? ?? ?"￥ :??è?C  3125.0 )10)(06.0(1 5.0 1 = + = + = Cd obs K y y θ ( ) () 3 0 ( ) 0.3125 21600 250 6.2 10 1645.7 / XobsVS S Pyq kg d ρρ ? =?=×?? = () () ( ) 1 1645.7 0.8 2057.1 / XSS Pkgd ? =×= 9 ?Z PCT 9 ? ?"￥[????%89￥ê C  9 ? ?"￥[449￥ê C  46 3 é9 ?í @ê C1S ÷ y?744 i"NH- í @ê C744 i"NH- ( )3500 8000 0.78 VVr Vr Vr V qq q q r q = ==  3 ê9 ? ÷ y￥ ￡ ?T = HW () 4702 0.217 5.2 21600 V V tdh q == = = 47 3 ?9 ? ÷ y ?3￥ b   B 3?Q??cμt ?? 3? ?3￥  ()( ) () 3 0 21600 250 6.2 10 7744 / 0.68 0.68 VS S L q BOD kg d ρρ ? ??? == = ?3 "?" LHE n59 ? ÷ y ?3￥  C 3?Q? ?3  3 ?9 ? ÷ y ?3￥ b   B ? b  á1LHN  b ?cμ￥ 1  5 ?3￥ ? ? b  1 C L= ?3￥ b  1 Q? ?3￥ 9 ?M?￥ b   () 3 5407 19406 / 1.201 0.232 md= × () 3 19406 242.575 168 / min 0.08 m== C !9 ?3￥ b  1 ( ) 3 1.3 168 218 / minm×= 48 ?á D .D,JOOFZ E  1 ? f a1ê ￡?ê ?t￥ ??F? Vm U ?/ ê ? t ??%8ê ?t   ??8 ·3?ê ?t í??% 8ê ?t μ??% 8ê ?t í ·3 ?ê ?t μ ·3 ?ê ?t ? V 3t?3μ ??%8ê ?t V 3t?3￥μ ??%8ê ?t V 3t?3 ￥μt ? V 3t? 3μt ê ?t￥ ?? f ? l ￡ ? ￥ ê ? t í??%8ê ?t ? V 3t?3μ??%8ê ?t V 3t?3μ??%8ê ?t V 3t?3￥μ ·3?ê ?t í ·3?ê ?t ? V 3t?3μ ·3?ê ?t '' ??± 3 tV ? ?ê C ?1?￥± 3t 8?$0  a)  0 ?sM??￥ 3t8? ?s =?l ￡? '' =?l ￡? 49 ?ê CEV??ê ?t￥ ??? 1"￥1? ?  z￥ ?/í?? V?3￥??%8ü?ê C E) ?'' $± 3t ?  ?Mb ? ?ì g 3ê ￡ ? V 3t?3￥μt ?1 ?1± 3t%?1$0  ? ￡b?V? db￥ ? ± 3tN2??-3b è ?ê CE"d?;i"μté￥}??± 3t￥ 9éN29i"%té￥1 &}??± 3t-WY V Jt yé?￥}?V?? =÷? b é ?? =÷}?át￥? V 3t?3? P V 3t?3μ t￥?D3 $0% # ???? ? 3?3 #0% - b ê ò?? ?￥?ê C￥%F?''M]b? s  F? V¨$  )  0  /$  )  /0  V Ub ?á D .D,JOOFZ E  2? ?? ÷ y?￥é ?" qZ? é ?" qZ? SXS SS dK dt K ρ ρρ ρ =? + ? ?μt? ?) ? H @?￥#0%  ??,T ?5 T 5  TM1 SXS S dK dt K ρ ρρ =? 50 ? ? ?? ÷ y?￥?A ^ ( ￥y7 μt ÷ y?￥}? ? q ^ ( ￥5 0SSS d dt t ρ ρρ? =? SXS SS dK dt K ρ ρρ ρ =? + T?, N ?1}? ? q" ?, N ? ￡?M? ? ￡?1￥ Hì gê ￡￥, N "I ? ￡?1￥ H, N "I ￡?1￥ H, N I ??? p a¨?￥j￥S?b S SXs K K dt d ρρρ ?= Sm S X m K K K K ρ ρρ ?== dt d , S 5 0SSS d dt t ρ ρρ? =? 0 1 S S m K t ρ ρ = + 0SS mS t K c ρ ρ? = 2? ss K ρ>> 51 ?á D .D,JOOFZ E ??A??%8 i￥9 ? ?A￥ ??% 8'' ?ê C￥ F??s ?%. B =÷}?? =￥ ± 3tμ8. F ?}?￥? V 3?￥ μ??%8. J í??%8. JJ ?Aè ???? %8 .-744  ? A ? ? % 8 .-44 t ? ? ü ^? é  o?? pé?Q? "dò?t é￥é  ü?9 ?b t ? ?S?￥ê? ?ê HW é ?t  ?ê HW ?t  ?ê HW h{t  ?ê HW ?t  "   ?YZ? T (1+r)Q X, Se Q - Qw Xe, Se Q S 0 X 0 =0 rQ, Xr, Se V X, Se =?y t ? ?S? Qw, X, Se 52 t ? ? ? -4 ? @± 3t i ?)?×? ?± 3t àμ?'' E9EU B · 7 t ? ? ?R T ? @" @ ?h{ 2·9  "<2X ·9  22X ·9F>  E9EU B ·7 < E9EU H ·7> 2X·9  22X ·9F E9EU H ·7 ?2X·9  22X ·9F79,D ? E9EU H "9,D ,D: · E4EU V 9,E () () SX g udX dd YK dt dt ρρ ρ= ?? y1 tdt d SSS ρρρ ? = 0 a a SS m C K Mt y ? ? ? = ρρ θ 0 1 () () Ca C SSm Ca SSmC a K t y tKt y M θ θ ρρ θ ρρθ ?+ ? = + ? = 1 0 0 1/, c=Y · (dS/dt) u /X - Kd K?3¤ 53 Ca CSS Ca CSSm a K t K ty M θ θρρ θ θρρ ?+ ? = ?+ ? = 1 /)(84.0 1 /)( 00 ? ? ? ? ? ? ??= a C SSme M t yM θ ρρ )(2.0 0 t MM C iOi θ = )(1.0inf eaiiii MMMM ++= ?ê CòF??s￥9 ? ? ?? ÷ yé?t  ü?¤ . J ) ?V???? 3Q?7 ?, $ ? . J0 1Ul H =ê ￡ @ ? ÷ y?￥? V 3?￥μ??%8 b ?á D .D,JOOFZ E   @ê ￡￥#0%  9 ? () () 5 0.8 a ff S ff M EBOD ES M ρ=+ T?& GG V U @.V U.-44b  @ê ￡?￥ V?3μt ? ?s  @ê ￡#0%   ·3? ￡?￥ ? ￡V=?y í￥êC''. B ?￥ 54 ?á D .D,JOOFZ E ?3 ? q ÷ y?￥¨o }?é =÷}? 3 ? q1=?s-? ( ) 0 0.57 1.1 SS aa dO K M dt t ρρ? ?? =+ ?? ?? ?á D .D,JOOFZ E   ? f a1  ?? ?? ÷ y8￥9 ? T]" V [¨?w @￥9 ???ê C?òF?￥9 ?51? ￥ f ? ? ??b 55 !ì gê ￡ì￥#0%  1NH-441NH- ?  1744744? 1? V?3￥''?tébê ￡ü Q??a#0%  ￥ ?" q1 44￥??" q1  ê ￡Kv @ 1N  I1 p) ?a @￥441 NH-P·#0%  l?NH-b9 ? ÷ y￥8? 3 b è 3 ? ￡#0%  1NH-B? ÷ y￥.-441 NH- ?. B  P·5 V[9 ? @? ·3?#0%  1 () () () 5 0 0.8 35 70.8 20 100 1.5 / 200 1 0.3 140 / 140 1.5 138.5 6 11.5 22.5 a ff S ff S S S M EBOD ES M mg L mg L th ρ ρ ρ ρ ?=+ ? ?? =+ ? ?? ?? = =?= === ÷ y81 33 420 / 6 2520mh h m×= ò9 ? ÷ y￥8 56 3 ó9 ?.-44 C -, D B?1U￥#?¨E''I ?[ () () ()() () 0 120 0.84 0.84 140 1.5 6 685 / 1 1 0.02 120 C SS a aC t M mg L K θ ρρ θ ?? == = ++ ?. B ￥9 ? 3 ó9 ?.-44 ?. F ￥9 ? () () () 0 120 0.2 0.84 0.2 0.84 140 1.5 685 6 328 / C eSSa MM t mg L θ ρρ ??? ??? ?? =??=?? ??????? ? ???? ? ? ?? = 57 3 ó9 ?.-44 è. J ￥9 ? ( )( ) ( ) () ln 80 0.8 0.4 26 / 120 ln 26 520 / 6 i C ii fM mg L M fM mg L t θ == ?? ?? =?= = ???? ???? 3 ó9 ?.-44 é. JJ ￥9 ? ( ) ( ) () ()() ln 80 1 0.8 16 / ln 0.1 120 16 0.1 685 328 421 / 6 ii C ii ii a e fM mg L MfM MM t mg L θ =?= ?? =?+ + ?? ?? ?? =++= ?? ?? 58 3 ó9 ?.-44 ê .-44￥9 ? () 685 328 520 421 1954 aeii MLSS M M M M=+++ =+++= NH- 3  9 ? ? ?3 ? q () () ()() ( ) 0 0.57 1.1 1 0.57 14 1.5 1.1 0.02 685 28.23 / 6 SS aa dO KM dt mg L h ρρ? =+ ? = =? ??￥ ? ?3 1 2 24 28.23 2520 24 1707 / dO VkgOd dt ?? = ? ? = 59 ??? =Q??y =Q??y￥? ?1 p B.ó b %As ? = .ê C i ê Pí @ê C￥c ￡ q??í @ê C￥8h  60 =?y￥ L=yT f ?  1=?y? ?Ri" 1? u b ￡ uaà ` ua?a?? uaa ê u ?? ? C ￡? ??a ê? ?b  2?Aé ?=?y[a?''$ d%8 ivvv????B?à ` ubà ` u ? ^ b ￡ u ?-Wμ B C ￡? ?b  3à ` ua ^B??a?? uN u =%8 i''?M? ?9''?Mbà ` u?à ` f ?￥a °¤?Y?a?? u? C ?￥? ?avl?? ?b  4 Líy?)??ê Ca ê ub =?y￥ L=yT f ? =?y￥ó b ? ?D?Aé ?ya￥à ` f ? á MM 19D=?y￥V ? ?μ1b =?y￥ i ê ? ??1Dê C?é# C?￥ ?μ1b ???? ? z￥?ê C=?y￥ C? ? V[?lb 61 ''e ? 62 63 64 65 =Q??y￥/?9 ? =Q??y/ 1?i[/+?  =Q??y￥é ￡?s? P? ￡ ( i/?μ ??à `￥Hq P C?2vb  =?y?ê Cà8? ^ ?^$ @ ￡y<1K? @)￥ @ ? P?êé￥ ￡ ??VN  NIb  ê C?￥ ?1 I nê C i ê￥1 pb=?y = ?ê C?￥ ·3oμh{ àμ?  ?^{Db ? H WVé V ??Y?ê C?± 3t￥ ?i V ?yQb?7 P ê C ?b# i ê HWB???VIb =Q??y￥ ?9 ?ZE Ve ü1¨/   TQ? V V q A u Vrqt = = T?"ó b uV ?N   R W l ￡ !9 @ ¨Kv H @ N  I V??r q? ?N  N  INI 7ê C u ?N   SKvê Cí @1 Uê C=Q??y?￥ i ê HWIb =Q??y￥/?9 ? 66 ? B? ?ê CE"d !9? ??￥Bt×1ù5 B ￡ ?μ? =μμ? ?± 3t i 1 ÷  HW ?± 3t ü (T = HW .$35 B.? ? q tí @ê C i ?í @ê C q ? ÷ y￥/ EaQ)?a EBa ·3 i E=aê C 3n#  e? 67 @_ê ￡ì ￥ @ M? B. ￡ ?μ? B? =￥ @ M? ?1?￥ @ M? ? ￡/?￥ @ M? ,￥ê4??/?￥ @ M? ￡ ?μ?￥M??Y?ê CE"d￥ ÷ y?=Q?? yb ? @ 9F Hê ￡ ÷ y =￥T = HW ê ?Y ￡é ] H?Y ÷ y￥ ￡êb ?1?V ? ÷  ?? ￡ ?￥M? ?￥?üM¤?×?b ￡ ??Y￥?s ^=Q??yb B. ￡ ?μ? 68 = .μμ? q/ ê Cμ? q/?.-44￥ !9′?¨¤vBt ÷ y ?3 ￥8 V[lBtb ? ￡ ￡é1??7 O P :?ê C 99F ê C )?￥n¨? ? 4] H??) ?"d?? 0  / ???￥ ? 4b 1E ? :?ê C)? ￥ ? 4?1 pê ￡) ?"d￥×? V L V[?¨?￥ê Cμ? q <0.1ü ÷ yy¤ ?v?ü ^ü H ÷ Eb ÷  u ?￥9 ? !9?1 I n￥?1ù5 ^ ?? ? ?ê Cμ? q/?.-44￥ !9′b ? .± 3t i  !9??¨ú￥.-44i? ?4úrmey ?/ Bê C i?ü ^± 3t￥% b ÷ y ê C ￥9Fi?" C -￥9F C -￥9Fü Pê C ?%￥1 èhl =Vú￥± 3t ia?￥??y? 4?? ??Y ￡ ￡é  ? ÷ yê C￥9Fü1 p ÷ y?μ÷ú ￥.? ? q?5± 3tü s?]?) ?r q? ?b?¨B?￥ ÷  !!"d L= o ??¨M? ￥ê C i.-44￥4ú ^μK￥b 69 1 ÷  HW Yè f ?//ì gê ￡￥K ÷  HW1I÷ vt?? ?@ ÷ y3 ? qμ1b ? ÷ yS¤?l H ÷  !! ^?"d￥μ??′ e? !9￥b?"  e HW Vv/? ? n !!￥ ? ?? ? s¤? ?¨b ? ÷ yS¤vt V??3 ? q] H??μ? q￥?? ÷  !! V[hl ÷  !!￥ ?¨ q¤?4 úb ?± 3t ü (T = HW .$35 ?? C -  ? ° ?b￥ :?ê C  yT"￥?ê C9  ± 3t ü (T = HW d= ± 3t ü (T = HWà ?? ￡ ?T = HWN H ÷ y =￥± 3t i??v?s± 3t ^ ss ?￥b ± 3t￥T = HW?@￥é\ P± 3t?z￥à `[L× ?s ??? ?VéVéQ7\ Pà `HqM μb ± 3t ü (T = HW?μù? a ü?ê C?± 3t￥ F?b W} HWé?± 3t ü (T = HW￥ *t± 3t+? ? V ????ê C?N2b 70 B.? ? q .? ? q1 I n=?V? 14ú￥.? ? q .?? ￡? ??.??± 3t￥ V ? A?μ @￥  A? P?A?￥??%8 ??? ???Hq tí @ê C i í @ê C i ^?ê C? ?+??í @ê Cí @ ? q￥f ?b ?·mé?t  ü? Vw ¤/ 1" T () 1 VSr V V Sa Sa Sr rq q rq r r ρ ρ ρρ =+ = + T?5 TB — ÷ y?￥.-44NH- 5 TS —í @ê C￥??%8 iNH- S—ê Cí @1b ? ?? T V? ÷ y?￥.-44? V ?ú?í @ê C i ??¤íí @1?vbK?.-44′￥?1y í ^í @ê C￥ ib 71 ? ?ê C￥?? i ê+?￥·S ? ^· ÷ y ?A??NJOa ??ê× ? C??￥ A C￥8è¨ ?ê ^N-Hb  ÷ y g) |?A k" ??.-44 H- ü k"bB?N-￥ c???NJO? ê C￥8 N- ?/ T9 ? ?ê C8· ?47* )/( )/( LgMLSS LmL SVI ?ê C8 = 47*￥?? tí @ê C i ?í @ê C q ú￥ê Cí @ 9v é ???y￥ @ 9F = ?y￥μ? ê ??y￥?? HW?? ??r q P?$??￥%8 ? @{<b ?ê Cí @ q￥ !9?μ??i??T V ?￥ K? @ b?1??y4 Kv×??b 72 ? ÷ y￥/ w @ ÷ y ? ?? ÷ y U64￥ù?V üw @ ÷ y￥: _???× h{ q￥ ? V ü￥.? s? K?b ) ? l Ho ￥μB?? ÷  ? ?^? ? ÷ ??? ub ) ? v H ÷ y9M?9v ÷ y? ^ s? ??￥b EQ)′?a ?ê CYèQ)"jb Q) ?[ ? ???S? ^??ê ￡?￥?aé} ?aá 3 ??a?V? ? ￡?{ ?￥a ?áb y<ê ￡?üè ? ?aéy7á 3Q)V?￥ù 5by<l ￡?￥μ ?Yèé ? ÷ y -é?? ?b 3ê ￡?μ@￥a PQ) ??z￥ ￡ üb 73 EB ·3 i Yè ·3 i? ^B?1oy í"d ·3 i ù ??¤í? ,bo1% ) ?¤ ?31￥ ·3 ? é?}? }? ? q? s ·3￥?Yb B? a1?A? ·3 i? ?j NH-[ ￡?ê C"d?è￥?b Vs￥ ÷  i¤?4ú?????Vs   ?áà8 ?  P ￡$ 6úb +Y ^?z ??ú7 C - êé￥"d <  ? P ? T￥à8? ??z￥ ` b E=ê C 3n#  e? ?è￥?ê C??? ? z ê C8· ?47* j-W ??ê C??è Hê C?^??Q? 47*′ 6úb ?AN- c???NJOaê C8 3n  aó bAh ??C`?1?ê C 3nb ?ê C 3n Vs1 ê C? ′ )v N2 ?á￥ ′ )? 3n iív  ′ )i ￥d ′ )? 3n 74 ′  ) ? 3 n à?té  ? ^ )?v ?è￥?ê C ′ )v C?1 ^μ G% )? ;% ) ??è￥ f ?/ ?ê C?μv  ′ ) Hv μB? <￥ ′8Mo|êa?pvv0? ê C￥??a a ê? ??? ê C 3nb ′  ) ? 3 n ￥ ? 1 y í ê ￡ ￡é ?Hq y\ZE ê ￡ ￡é ^/?ê C 3n￥ K?1y íb c ·3? ￡??tú￥ê ￡aa? 3??3 oI% ) ? ￥ 　? 3n c ;?tú￥ê ￡aa? 3 ? ;% )? ￥ ′ 3n ￡???￥ HB??? 3n Q)′? H ?^á 3 3nb 75 ′  ) ? 3 n ￥ ? 1 y í ê ￡ ￡é ?Hq y\ZE ê Cμ?ê C 3nB? Hq/μB?￥?Y7íA ? ￥ ó" ·3 iê C 3n￥? Yi?B?b ′  ) ? 3 n ￥ ? 1 y í ê ￡ ￡é ?Hq y\ZE ? ??￥y\ZE1. d￥w @Z T?^? 3ê C 3n Wu?￥ ÷ yK? ? ^? 3ê C 3n ? !Q??y￥?ê CE? ?^? 3ê C 3 n = } T? ÷ D? ÷ M1^?? 3 ′ )? 3n  @ ÷ ￥Z T V[ μr1 X??3 oI% )? ￥ê C 3nb 76 d ′  ) ? 3 n d ′ )? 3n?1? 3ê ￡ ￡? ??7ê Cμ? tú Hb ± 3t￥μ?ú% ) l v ￥ ?!t?????}? ?? ¤ü ? v úT?￥ ?téb?t ?té￥? P?ê C￥V ??" ￡ vv9F Pê C??ê C 3nb ? 3ê Cd ′ )? 3n H ) ?r q ˉ?ú  bA9 b?b ?? ?? 3ê C 3n? 3n￥ ? ?? ′ )￥+? V? |￥]?n @ ? e? ÷   P ÷ y? ? a ￥ ·3 ???Q)′ è ? a?￥1 è >? V a gF???t? ??t égFBt?D04 êì gê ￡ì￥ê ￡üV? éyaK? y°¤é ? ÷ yb 77  !9 H? ?^? 3ê C 3n￥ê ￡ V[? ¨[/BtZE ?h ì gê ￡ì￥?y |h?y9Fé ? ÷ y￥ ê ￡?￥???t V P ÷ y?￥ê C i üA9Fê C? ?? ?? ? ? ) 3t) ?E''?¨? éy —B) ÷ y —?W?? y —=) ÷ y —=Q??y￥y\?y\ è?Cμ￥ ?^? 3ê C?× 3n￥ê ￡ì V[ ÷ y ￥ - ??s? !?@￥A b ??  ÷ y￥ê Cμ ?9?M é ?a ??s ÷ y￥ ￡é é¨ ?E}9=Q??y V[μr￥ P??) ?"d?? ?è