CAST工艺城镇污水处理厂运行管理经验探讨严俊泉

2012CAST,,,(,225000):CAST,,,,CASrr,:CASTAbstract:YangzhouTangWangSewageTreatmentPlant15relativelybigoneamongallthesewagetreatmentplantsapplyingCASTteehnologyinChina.Thispaperanalyzestheseleetionofoperationeyeleandhowtodeterminatetheparametersofdissolvedoxygen,sludgeeoneentration,sludgeageanddrainageratiointhisplant.Italsodiseussesphosphorusandnitrogenremovalprin(,iplebasedonCASTteehnolo.Thispaperfoeusesontheproblemssineetheoperatio1ofthispla,Itandsolutionoftlleeproblems.Itmayprovideusefulrefereneefortheplantsapplyingthesameteehnology.,18t/d,CAST,10t/d,199811,20024;8t/d,20038,2007711.1,,,,,,109,110(GB189182002)B,11mLCODDDBODDDSSSSTNNNNH3NNNTPPP350001600016000355520003336OOO20002OOO2OOO8(15)))1.21.34h()(l2)h186,:CAST(L)(d)(%)(kgBODS/kgMLSS35.41518dd)0.07613.sh~-111111222mLCOD1503502050BOD70170313SS902108~18TN1950513NH3N15350.2~5TP2~60.1~0.72,cAsT,(GBI89182002)B,A2.1,,DO,,DO,;DO,,PLCCAST(),23mLDO,,DO2.ZmL,1872012DO2.4,,2.2,MLSS4000mL,240min300min360min,33:minlll24000555555560006000600022230000200055551055560006000333360003OOO60001500060006000,,4,4,1,,,2,,,,23233,23,,3SS12,,,2),sh,4.67h4:mLlll222333CCCODDD28555282222911136.22232.22232.33387.3%%%88.6%%%88.9%%%BBBODDD1400013999141116.1115.5555.66695.6%%%96.0%%%96.0%%%SSSSSS154441600016333l333l333l66691.6%%%91.9%%%90.2%%%NNNH3NNN28.22227.44426.9991.05550.75550.588896.3%%%97.3%%%97.8%%%FFFNNN35.22236.11138.3338.56667.57777.733375.7%%%79%%%79.8%%%TTTPPP4.01113.85553.9888O,45550.4444O,500088.8%%%88.5%%%87.4%%%2.3212COD2,,,78,,,47%69,,,188,:CAST,SVI,SVI,,,,3SVI,,3540%,28%,30004000mL,1500m,/d,97608,,15000mg/L,:(976osm,x3500mg/L)/(1500/15000mg/L)=15d,45005500mL,1800m,/d,11500mL,:(976osm,xs000mL)/(1800x11500mL)=23d,,,-~ODnnnn†nnUCCn!Jn”’nqƒ10„67891()1112JJ2COD1008O6040200SVIƒ\Iu„AS1234567891011123SVI33.1,,,,,,(SND),1cAsT4CAST(),5,0.21,,DO(CAST),,,,SNDCAST1892012,TN36.2,TN8.5,76.5%,,SNDCAST41523.2,,,PHB,PHB,,,cAsTsBR,SBR,,,ORP200mv300mv,CAST,,DO,NOXN,,,2,,CASTTP4.12mL,TP0.45mL,89.1%4,,,,,,,6mm,2,,4,,2,,,,,,,,,,CAST,A,12NH:N,:190,:CAST(l),,,(2),CODBODNH3N.:,;,5,,20,120,DO2.5,,25,5O00mL,,NH3N,B,,,,,,,,,PLCMCC3#EM5000,,,,,,5(l)CAST,,CAST(2)CAST,NH3N,TN(3),,:l],M,:2011.158.[2]ElisabethVMuneh,tal.Simultanenitrifieationan1lenitrifieationinbenehsealesequeneingbatehreaetorJ].WatReS,1999,30(2):289293.[3BehlSA,AysenurU.Theeffeetofananoxiezne()nl)101)giealphosphorusremovalbyasequentialbatehreaetor[J.BioresourceTeehnolo.,2004,94(l):l7.Email:[e-mail]