高盐废水资源化利用有新方案

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Vol.49No.11(2018)ZHEJIANGCHEMICALINDUSTRYCODCr,,。(2)()CODCr,,,。(3)()CODCr,。:[1]“”.[M].3.:,1989:354-356.[2]“”.[M].:,1989:12-57.[3]CzaeMZ,LySY,KimMK.ChemicalOxygenDemandbasedonSpectrophotometricMeasurementofPerman-ganate[J].J.KoreanChem.Soc.,1994,38(2):880-884.[4].COD[J].,1994,(3):44-47.[5],,,.COD[J].,2004,22(3):60-63.[6],,,.CODCr[J].,2004,22(2):60-61.[7],.[J].,1999,(3):90-92.EffectsofCommerciallyavailableSulfuricAcidontheTestResultsofCOD(ChemicalOxygenDemand)inLow-concentrationSamplesCHENLi-feng,YANGDong-hai,ZHUHao-fang(ShangyuWaterEnvironmentDetectionCo.,Ltd.,Shaoxing,Zhejiang312369,China)Abstract:TheeffectsofcommerciallyavailableGR(guaranteereagent)sulfuricacidfromdifferentmanufacturersorfromthesamemanufacturerbutindifferentproductiontimesonthedeterminationofCODoflow-concentrationsampleswithCODCrmethodisanalyzedanddiscussedinthisessay.Theresultsshowthattheinfluenceofdifferentchoicesisrelativelyhigh.Ithasgreatsignificanceinraisingtheemissionstan-dardofCODinsewagetreatmentprojectsandaccuratelymonitoringtheCODoflow-concentrationsamplesinsewage.Keywords:concentratedsulfuricacid;chemicaloxygendemand;manufacturer;productiontime。11212018,3,。,96%,,12.32,。,,,、、、4。。,、、、。(:)54--

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