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:100926825(2005)1320001203CAST:2005203214:(19792),,,030024(19412),,,,,030024:(CAST),,,:(CAST),,,:X703:A(CyclicActivatedSludgeTechnology,CAST)Goronszy,,,,SBR,,1CAST,1,,CAST,5mg/L1),,:a.;b.,,;c.,,[1],,S0/X0(),CAST,,,,,,(NO32N=20mg/L),20%[2],,2),,,[1]3),02.5mg/L[3]a.,[4],(DO),(OPR),(OPR)[5]CAST02.5mg/L,,,,,,,0.5h1.0h,,b.,,,(Poly2P),,PHB;,,,,ATP,,,,,,1.7g/L2.0g/L,CAST,Gorony,,+100mV-150mV,[1]1311320057SHANXIARCHITECTUREVol.31No.13Jul.2005,,,,,CAST,,,2,,,,,,,,75%,COD100mg/L[5]2CAST2.1CASTCAST,1)V=Q(Sa-Se)NeNwf(1):VCAST,m3;Q,m3/d;Nw(MLSS),3g/L4g/L;NeBOD,Ne=K2Sef,K21;ff=MLSSMLVSS,0.70.81K2K210.01680.028120.067230.0014440.03650.006722)CAST(V1),:,(V3);,(V2)V=n1(V1+V2+V3)(2):VCAST,m3;n1CAST;V1,m3;V2,m3;V3,m3,H:H=H1+H2+H3=(35)m(3)H1=Qn1n2A(4)H3=HNwSVI10-3(5)H2=H-(H1+H3)(6):H1,m;ACAST,m2;n2;H3,m;Nw,kg/m3;H2,m,(6),,CAST,(6)2.2CAST,,CAST20%,,,,T15min30min,30min60min:V=(Qi+Qr)T(7):Qi,Qr,m3/h:20%,24h[1],2.3DO4h,2h,2h,;,,3CAST,;CAST,,,,,CAST,,,,,,,,,,,,CAST,,:[1]NovakL.DynamicmathematicalmodelingofSequencingBatchReactorwithaeratedandmixedfillingperiod[J].WatSciTech,1997,35(1):1052112.[2]GoronszyMC,,WutschreK.(CAST)[J].,1996,12(6):429.[3]GoronszyMC.Thecyclicactivatedsludgesystemforresortareawastewatertreatment[J].WatSciTech,1995,32(9210):1052114.[4]GunnarDemoulin.Co2Currentnitrification/denitrificationandbi2ologicalP2removalincyclicactivatedsludgeplantsbyredoxcon2trolledcycleoperation[J].WatSciTech,1997,35(1):2152224.[5]GoronszyMC.Aerateddenitrificationinfull2scaleactivatedsludgefacilities[J].WatSciTech.1997,35(10):1032110.2311320057:100926825(2005)1320003202:2005203221:(19632),,1986,,,210000:,,,:,,:TU755.2:A,,,,,,,,,,,,,,,1,231.64m,272.42m,1.2m,1.1m46.8m,321.4m53m71m,58m,12.68m,0m10.26m,;10.26m20.6m,;20.6m71m,,,;9m,,,,,,,,22.1,12m,12t,422,,[14[12,6mm,3m,,3m,A,B,C,A,,4.5m,3t,,,,,,,,,,,,,2.21,,,,,,,,,,,,,,,,,,,,WorkingprincipledesigningandcalculatingofCASTBAISheng2yunLIYa2xinAbstrac:ThispaperexplainstheprincipleofCyclicActivatedSludgeTechnology(CAST)anddiscussesthedesigningandcalculatingmenthodsaboutthistechnology.Thispaperalsointroducedtheformulaeandthetimedistributingaboutdesigncycle.Keywords:cyclicactivatedsludgetechnology,biologicalselector,nitrification/denitrification,biologicalphosphorousremoval3311320057SHANXIARCHITECTUREVol.31No.13Jul.2005