高氯废水COD测定的影响因素及方法研究  

Study on the Influencing Factors and Methods of COD Determination of High Chlorine Wastewater

作　　者：常德华 Chang Dehua(Inspection and Testing Center of Jiuquan Iron and Steel(Group)Corporation,Jiayuguan,Gansu,735100)

机构地区：[1]酒钢集团检验检测中心,甘肃嘉峪关735100

出　　处：《酒钢科技》2023年第3期75-80,共6页

摘　　要：鉴于高浓度Cl-废水采用重铬酸盐法测定COD会出现误差,本文就重铬-酸盐法测定COD方法进行分析,从掩蔽剂加入量、Cl浓度、加热沸腾状态等影响因素进行实验研究,降低各种影响产生的分析误差,并在此基础上对测定高氯废水COD的方法进行改进,提高数据准确性。There is an error in the determination of COD in high concentration Cl-wastewater by dichromate method.This paper analyzes the determination of COD by dichromate method,based on the experimental study on the influence factors of the amount of masking agent,Cl-concentration and boiling state of heating,the analysis error caused by all kinds of influence is reduced,and the method of determining COD of high chlorine wastewater is improved to improve data accuracy.

关 键 词：COD 重铬酸盐法 高氯废水 影响因素 

分 类 号：X70[环境科学与工程—环境工程]