SBR法在小区生活污水处理上的应用

Application of SBR Process to Treatment of Domestic Wastewater

SBR法工艺流程简单、造价低 ,主体设备只有一个序批式间歇反应器 ,无二沉池、污泥回流系统 ,初沉池也可省略 ,布置紧凑、占地面积省 ,可根据水质、水量情况灵活运行 ,具有良好的脱氮除磷效果。而生活小区土地面积有限 ,景观要求高。通过采用SBR法处理小区生活污水 ,处理效果好 ,COD、BOD、SS、TNP和NH3-N去除率分别达到 88.75 %、87.5 0 %、86.10 %、84.5 0 %和 5 1.70 % 。

Simple technological process and cost of construction are the features of SBR. Sequencing batch reactor is its main equipment, the equipment of return sludge and primary settling tank is omitted. It has a compact structure and flexibility of operation base on the basis of the amount of sewage and sewage quality. The removal efficiency of nitrogen and phosphorus is very good. But the land of habitat is finite, so we used applied to treat the domestic sewage of habitat. These results showed that high quality of effluent could be obtained by the means of SBR, and the removal efficiency of COD, BOD, SS, TNP and NH3-N were 88.75%, 87.50%, 86.10%, 84.50% and 51.70% respectively. The effluent water quality meets GB8978-1996Ⅰstandard.