污水COD超标的影响因素及解决措施

Discussion of Factors Affecting Overproof COD and Countermeasures

通过对总排污口污水中主要还原性物质逐项进行掩蔽,分析掩蔽前后污水COD值的变化,找出了影响COD的主要因素并提出了改进措施,使排污总口COD值大幅降低。

By hiding reductive materials in sewage passing drainage mains one by one and analyzing variation of COD in sewage before and after the hiding, main factors affecting COD are found and countermeasures are put forward, resulting substantial decrease of COD in drainage main.