复合式Carrousel氧化沟处理城市污水研究曹文平

8467044CarrouselHRT。HRT55h10hCOD99.1%86.6%BOD599.4%92.8%98%83.0%HRT=20hCOD、BOD5125.3~492mg/L56.26~249.44mg/L20~32.91mg/L90.2%~97.0%94.4%~99.3%90.1%~98.7%。Carrousel。CarrouselX703Adoi10.3969/j.issn.1003-6504.2010.08.0321003-6504(2010)08-0141-04HybridCarrouselOxidationDitchforMunicipalWastewaterTreatmentCAOWen-pingDepartmentofEnvironmentalandMunicipalEngineeringHenanCollegeofUrbanConstructionPingdingshan467044ChinaAbstractSemi-softpackedmaterialswassuspendedincarrouseloxidationditchtobuildupcomplexreactorwhichwasusedformunicipalwastewatertreatment.Thecomplexreactorwasinvestigatedforitspropertiesunderdifferenthydraulicretentiontimesanditsadvantageswereanalyzedbasedonpollutantsremovalrate.ExperimentalresultsindicatedthatCODremovalratereducedfrom99.1%to86.6%BOD5from99.4%to92.8%andammonianitrogenfrom98%to83.0%whenHRTwasreducedfrom55hto10haccordingtobenchexperiments.AtHRT20hCODremovalratewas90.2%~97.0%BOD5was94.4%~99.3%andammonianitrogenwas90.1%~98.7%respectivelycorrespondingtoCOD125.3~492mg/LBOD556.26~249.44mg/Landammonianitrogen20~32.91mg/Lasinfluent.Thecomplexcarrouseloxidationditchwasthoughtgoodabilityagainstshockloadandhighremovalrateforallcontaminants.KeywordshybridcarrouseloxidationditchpackedmaterialsbiologicalchaincoexistedmicrobessludgeageCarrousel2050DHVCarrouselCarrousel2000、Carrousel3000MLSS[1]。。、。。。、、[2－3]“”“”[4－5]2。[e-mail]。EnvironmentalScience&Technology33820108Vol.33No.8Aug.201033CarrouselCarrousel。。。COD、BOD5、。11.1150mm130mm250mm120L400mm。60mm100mm1。1Table1Theparametersofsemisoftpacking(m2/m3)(%)(m2/m3)(kg/m3)(cm/)(kg/m3)(kgCOD/(m3·d))(kgCOD/(m3·d))12509912503.5~3.76~84502.5~3＞51.2、、、、、NH4Cl、KH2PO4、Na2CO3CaCl2、MgSO4、FeCl3COD100~550mg/LBOD550~320mg/L20~60mg/LTP2~8mg/L20~30℃pH6.8~8.0。。1.3MLVSS/MLSS0.7418.5%MLSS1961mg/LMLVSS1450mg/LSVI9420~30℃。2.2L/hHRT55h16%。6d、7~12dCOD84.8%~90.2%81.3%~93.7%Carrousel6d12dCOD93.5%95%CarrouselCarrousel、、。。22.1HRTCODHRT55h10hHRT84dHRT2dHRT55h5h10hMLVSS1000~1500mg/L。23CODHRT。23CODHRTHRT。。[6]。COD。HRT55h10hCOD86.6%83.0%COD。HRTCOD。。HRT55h10hBOD599.4%92.8%。2.22.1HRTCOD、NO2－NO3－HRTHRT。HRT20h。24。2Table2Effectofthedifferentconcentrationoforganicmatterandammonia(d)CODBOD5(mg/L)(mg/L)(%)(mg/L)(mg/L)(%)(mg/L)(mg/L)(%)1125.303.7497.056.263.1594.423.641.0795.55301.8023.9592.1140.944.3596.924.871.5793.79480.6047.0190.2233.6111.4595.120.000.4997.613416.0334.1591.8202.858.2096.027.031.7293.617492.0046.7490.5249.449.1496.331.682.9390.821340.1225.0092.6165.985.0097.028.041.7893.625246.0015.4993.7116.370.9399.221.010.2898.729377.6229.0892.3197.495.7397.123.030.6397.333269.0515.6094.2137.481.0199.332.913.2690.137312.2713.7495.6178.003.4198.124.300.9596.12COD125.3~492mg/LCOD3.74~47.01mg/L90.2%~97.0%BOD556.26~249.44mg/L0.93~11.45mg/L94.4%~99.3%CODBOD590%。。3320~32.91mg/L0.28~3.26mg/L90.1%~98.7%。HRT=20h。2.3.、、。2.41DO//。DO1mg/LTNNO3-。2TPTP。、DOTPTPTP。DOTP。31HRT55h10hCOD99.1%86.6%98%83.0%。2HRT=20hCOD125.3~492mg/LCOD3.74~47.01mg/L90.2%~97.0%BOD556.26~249.44mg/L0.93~11.45mg/L94.4%~99.3%20~32.91mg/L0.28~3.26mg/L90.1%~98.7%。[][1].[M].200521LvBing-nanChenZhi-qiang.NewTechnologyofWastew－aterBiologicalTreatment[M].HarbinHarbinInstituteofTechnologyPress200521.inChinese[2]TyagiRD.WastewaterTreatmentbyImmobilizedCells[M].FloridaCRCPress1990:103-134.[3].[J].19994716-19.WuLi-boWangJian-longHuangXiaetal.Nitrifica－tioncharacteristicsofthesuspendedandattachedmicroor－ganismsinhybridbiologicalreactor[J].EnvironmentalSci－ence19994716-19.inChinese[4]LinZS.Studyontherelationsbetweentheanimalspeciesextinctionandhabitatdestruction[J].ActaEcologieaSinica2002224535-540.[5]CousinsS.Countableecosystemsderivingfromanewfoodwebentity[J].Oikos1990573270-275.[6]YHKimJHChoYWLeeetal.Developmentofacarrierforadhesionofnitrifyingbacteriausingathermody－namicapproach[J].BiotechnologyTechniques19971111773-776.[7]DaiggerGTLittletonHX.Orbal/[J].19991531-7.DaiggerGTLittletonHX.Studyonthemechanismofsi－multaneousnitrificationdenitrificationandbiologicalphos－phorusremovalinorbaloxidationditch[J].ChinaWater&Wastewater19991531-7.inChinese