污水处理厂采用电凝工艺处理污水效果的研究

Wastewater Treatment by Electrocoagulation Process in Sewage Treatment Plant

污水已成为中国城市主要的点源污染物。污水的处理对于确保在循环使用或排放之前将其处理成安全的、对环境无害的水体对于城市水资源管理非常重要。该研究提出将电凝处理作为一种替代传统的方法来处理污水。该研究中的电凝装置由连接到由4个单极电极组成的DC电源的2升批量处理单元组成。通过试验对电凝处理过程中的化学需氧量、氨和磷酸盐还原反应进行了研究。比较发现,铝电极比铁电极有更好的处理效果。试验中还对施加电压和处理时间等操作条件的处理效果进行了研究。实验结果表明电凝是生活污水处理的一个可行的工艺。

Domestic sewage has become the main point source pollutant in the world. Domestic wastewater treatment It is important for urban water resources management to ensure that water is treated safely and environmentally friendly before it is recycled or discharged. The study proposed electrocoagulation as an alternative to traditional methods of treating sewage. The electrocoagulation device in this study consisted of a 2 liter batch processing unit connected to a DC power supply consisting of 4 monopolar electrodes. Through experiments on the chemical oxygen demand during electrocoagulation,ammonia and phosphate reduction reactions were studied. By comparison,it is found that the aluminum electrode has a better treatment effect than the iron electrode. In the experiment,the treatment effects of operating conditions such as applied voltage and processing time were also studied. The experimental results show that electric coagulation is a viable process for domestic wastewater treatment.