二段生物接触氧化法处理城市污水

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56Vol.5No.620076ChinaWaterTransportJune20072007-5-201979-5285001979-430063TU992.3A1006-7973200706-0095-0270%80%;2112b()BOD5pH3;NH3-N50%80%4;2000m3/d1196512DB44/26-2001GB18918-2002B20042005[2004]1CODcr40mg/l1.22.0kgBOD5/3d4.08h2.16h1.92h1800m31600m3141816131mg/L120075CODBODSS12429401801220254102038112030584.00.41.012[1],...2002.181228~29.[2]..1991.84~90.[3]...2003.191164~66.MunicipalSewageTreatmentByTwo-stageBiologicalContactOxidationProcessHanJingTianShanshanAbstractThispaperintroducesthecompositioncharacteristicandoperationalaspectofwastewatertreatmentoftwo-stagebiologicalcontactoxidationprocessparameters.TheoperationresultofTheSecondWastewaterTreatmentPlantofGaomingshowsthatthetwo-stagebiologicalcontactoxidationprocesshasasteadytreatmenteffecthighvolumeloadingandshortretentionhours.Itneedsasmallerareaandiseasytooperaterunandmanage.Keywordstwo-stagebiologicalcontactoxidationprocessdomesticsewageandactivatedsludge

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