COD浓度的变化

139COD[1]CODCOD133000CODCOD234.30mg/LCODX703BUrbanSewageTreatmentPlantCODConcentrationVariationStudyHuaShuliDuetothelongwinter,urbansewagedischargeCODconcentrationinaccordancewiththeactualsituationofresidentslivingwaterhabits.Intheresearcharea,urbansewageconcentrationofCODmeanvalueis234.30mg/L,consistentwithtypicalsewagewater,whichbelongstothelowconcentrationdomesticsewage.Urbansewage;COD;urbansewagetreatmentplant3123[9][10][6][1]1996226-27.[2]2001166-70.[3].200619422-25.[4]MorseJ.C.,YangL.,TianL.AguaticinsectsofChinausefulformonitoringwaterguality.Nanjiang:HehaiUniversityPress,1994.68-91.[5]200612272-75.[6]200735113437-3439.[7]19923140.[8]2005.1-300.[9]NeilsonR.P.,MarksD.A.Aglobalperspectiveofregionalvegetationandhydrologicsensitivitiesfromclimaticchange.VegetationScience,1994(5):715-730.[10]20081971625-1630.14056789101112/mg/L338.29289.14277.29183.22192.00219.88299.43259.14257.30/mg/L44.2947.2933.0038.5541.5835.8436.6336.2739.18/86.9183.6488.1078.9678.3483.7087.7786.0084.77[2]0.250mol/L50.00mg/LCOD700.00mg/L0.025mol/L5.00~50.00mg/LCOD10.00mg/L10.00mL500.00mL110.00mL30.00mL30.15mL120.00mL20.00mL250mL10.00mL30mL2h290mL140mL33420.00mLCODCr=(V0-V1)C81000/VCmol/LVmL12345678mg/L308.00184.17191.67210.33188.22184.00222.43201.61211.30mg/L58.4336.1240.9742.2937.9735.9735.9436.0040.4681.0380.3978.6279.8979.8380.4583.8482.1480.85V0mLV1mL8(1/20)g/molCOD1CODCOD12CODCODCODCOD3CODCOD80CODCODCOD100.00300.00mg/L[1]..2002203-208.[2]..1991167-172.