卡鲁塞尔氧化沟处理城市污水的设计计算

贺永华沈东升(,310029)以某城市污水处理厂氧化沟处理技术为例,较详细的介绍了卡鲁塞尔氧化沟的设计和计算过程卡鲁塞尔氧化沟设计计算1(OD)(1),,,,(2),,,(3),,(4),,,23,20000m3d2,1700m3h,1050m3h,560m3h,mgL-1mgL-1mgL-1%BOD5150~2502202095CODCr230~3703406080SS200~3503202090TN45~55551570(P)68~99940570:GB89789633,2,1,60000m3d,,280Ls,24912m3d;10~30d,18d;DO=2mgL441碱度平衡计算(1)BOD520mgL,BOD5,BOD5f=07Ce142(1-e-0235)=0720142(1-e-0235)=136mgLCeBOD5mgL,BOD5:20-136=64mgL(2)18d,aQLr1+btm=0.624912(220-6.4)1000(1+0.0518)=1631.8kgdQm3d;a,05~07,06kgkg;b,004~01,0051d;Lr(L0-Le)BOD5mgL;tmd;LoBOD5mgL;LeBOD5mgL,124%,(TKN)0124163181=20234kgdTKN20234100024192=84mgL;2620028204NO3N=296-111=185mgL;NH3N=40-84-2=296mgL(3)BOD5(CaCO3)1mg1mgBOD5,280mgL71mgmgNH3N,;30mgmgNO3N=280-71296+30185+01214=14674mgL42硝化区容积计算NOD=46mgmgNH3N,26mg/mgNO3N:qdn=00312kgNO3NkgMLVSSdn=[047e0.098(T-15)]22+100.0515-1.15822+1.3=0.204Ldt=10.204=4.9d35,=3.54.9=17.15d18d,n=118=0.056Ld=n+ba=0.056+0.050.6=0.177kgkgdn1d;a,05~07,06;b,004~01,005(1d);MLSS20000~40000mgL(60000mgL),MLSS=40000mgL,,MLVSS()MLSS,07507MLVSS=074000=2800mgL;MLVSS=214241920.1771000=29249.1kg;:Vn=29249.128001000=10446.1m3;:tn=10446.12419224=10.36h43反硝化区容积12,qdn=0.03FM+0.029(T-20)=0.0322041031624+0.0291.08(12-20)=0.017kgkgdF,BOD5mgL;MmgL;,108NO3N=18.5100024192=447.55kg;MLSS=447.550.017=26326.59kg;:Vdn=26326.592.8=9402.35m3;:tdn=9402.352419224=9.033h44氧化沟总容积t=tn+tdn=9.33+10.36=19.7h10~24hV=Vn+Vdn=10446.1+9402.35=19848.45m345氧化沟的尺寸6,,25~8m,,4m,8m=19848.4549=620.26m32644m,29382m,54+16+2=116.53m,620.26-116.536=84m84+8+16=108m68=48m46需氧量计算O2=ALr+BMLSS+46Nr-2.6NO3A05;LrBOD5mgL;B01;2720028204MLSSmgL;Nr2962419210-3=716081,2,3,4RO2=0524192(022-00064)+011044614+4671608-2644755=889248kgd=370523kgh20:R0=RCs(20)[Cs(30)-C]1024(T-20)=3705291708(09763-2)1024(T-20)=68774kgh,08;,09;,10;Cs(20)20917mgL;Cs(30)30763mgL;C2mgL;T3047回流污泥量:24024192+10000R24192=(1+R)241924000R=627%XR=10gL,:R=XXR-X=310-3=0.42XmgL;XRmgLQR=RQ=0.4228010-386400=10368m3d517%Q48剩余污泥量Q=1631.810.7+2400.25100024192=3782.68kgd,10gL,37826810=3783m3d5(1),(2)A2O,,(3)GB383888;GB897896;GBJ14971..:,1993.2KallImhoff..:,1991.3.()().:,1998.4..:,1999.5..:,1999.6Stamou,AnastasiosI.Modellingofoxidationditchesusinganopenchannelflow1DadvectiondispersionequationandASMIprocessdescription,WaterScienceandTechnology1997.36(5):269~276.7MetcalfEddy,INC.Wastewaterengineeringtreatmentdisposalreuse,1991.8Gillot,S.Hduit,A.Effectofairflowrateonoxygentransferinanoxidationditchequippedwithfinebubblediffusersandslowspeedmixers,WaterResearch2000.34(5):1756~1762.,,197810,2001-12-182820028204THERESEARCHONAPPLICATIONANDDEVELOPMENTOFULTRASOUNDINSLUDGETREATMENTCaoXiuqinetal(23)AbstractThispaperanalyzesthemechanismofultrasonicdegradationoforganicmatter,andsummarizestheresearchsituationofultrasoundapplyinginsludgetreatment.Atthesametime,itpointsoutthatultrasonicdecompositiononsludgecanbeusedasawayofcausingthecrypticgrowth,thusobtainingtheaimatthereductionofexcessbiomass.Keywordsultrasound,ultrasoniccavitation,hydraulicshearforce,celldisintegration,sludgetreatmentandreductionofbiomassDESIGNANDCALCULATIONOFCARROUSELOXIDATIONDITCHFORTREATINGMUNICIPALSEWAGEHeYonghuaetal(26)AbstractThedesignandcalculationofCarrouseloxidationditcharediscussedinmoredetailbytakingtheoxidationditchtechnologyofasewagetreatmentplantforacertaincityforexample.KeywordsCarrousel,oxidationditchanddesigncalculationHAO1O2PROCESSINTREATMENTOFOILREFINERYANDPETROCHEMICALWASTEWATEROFHIGHCONCENTRATIONANDITSAPPLICATIONZhuJinanetal(29)AbstractAprocessofAOtechnologycombinedwithHAO1O2processwasinvestigatedandhadbeenappliedinthetreatmentofhighconcentrationoilrefineryandpetrochemicalwastewater.Theprocessesincludedhydrolyticacidificationonbiofilm,aerobicactivatedsludgeprocessandaerobicbiofilmprocess.ThedesignedoverallHRTwas50hr.Whentheinfluentflowwas300m3hwithCODCr=1200mgL,BOD5=500mgL,oil20mgLandpH=6~9,theCODCrconcentrationintheeffluentwasnotgreaterthan100mgL,andtheremovalrateofCODCrreached92%.KeywordsHAOprocess,AOprocess,hydrolyticacidification,highconcentrationoilrefinery&petrochemicalwastewaterandapplicationTREATMENTOFDYEINGWASTEWATERBYPROCESSOFANOXIAAEROBEPRESSFILTRATIONOXYGENENRICHEDBIOCARBONXiaoLietal(33)AbstractThispaperintroducesthereconstructionofdyeingwastewatertreatmentforacertainbleachinganddyeinghouseinShanghaibytheprocessofanoxiaaerobepressfiltrationoxygenenrichedbiocarbon.Thesystemoperatedformorethanayearunderconditionsoftreatingquantity=2500m3d,inflowCODCr=600~1200mgL,chromaticity=300~600timesandpH=11~13.Theresultsshowthatthetreatingefficiencyofthistechnologyisstable,itcantolerateshockloading.Thereforeitisreasonableandfeasibletotreatanonbiodegradabledyeingwastewaterandreformtheexistingworksofdyeingwastewater.Keywordsdyeingwastewater,hydrolyticacidification,biocontactoxidationandoxygenenrichedbiocarbonBREWERYWASTEWATERTREATMENTTECHNOLOGYANDPRODUCTIONAPPLICATIONMaiWenningetal(35)AbstractThereactorsofupflowaraerobicsludgebed(UASB)andcyclicactivatedsludgesystem(CASS),whichtreatbrewerywastewaterareanadvancedandeffcienttechnique.Ithasbeenprovedbytheproductionapplicationthatthistechniquecaneffect