二级接触氧化工艺对饮料厂废水中重金属去除

Study on Removal of Heavy Metal by Second Contact Oxidation Process

工业废水中重金属去除的主要方法是生物法。试验以某饮料厂食品废水的水样为试验对象,采用二级接触氧化工艺对其进行处理,考察该工艺中各处理单元对重金属铁、铜、锰的截留效果,分析此过程水质参数的变化规律,并结合接触生物氧化法的工艺特征,探讨重金属铁、铜、锰在整个工艺中的含量、去除率和影响各单元重金属变化的因素,为优化调整工艺运行和污水污泥资源化提供理论依据。

The environment pollution by heavy metals especially in water was a worldwide human health problem. Biology method effectively reduced heavy metal quantity from the industrial wastewater. In this study, the effluent of beverage wastewater treatment plant was provided for the analysis. This work researched second contact oxidation craft on the removal effect of the heavy metal. It provided the scientific reference for improving the wastewater treatment effect of the second contact oxidation craft. The results led a theoretical conclusion for optimization of the process and advanced recycle for wastewater and sewage sludge.