CAST工艺处理小区生活污水

Domestic Sewage Treatment by Process of CAST

采用周期循环曝气活性污泥法(CAST工艺)处理小区生活污水。污水处理后出水CODCr、SS、BOD5、氨氮、磷酸盐的平均去除率分别达77．6％,85．4％,74．0％,83．0％,79．7％;出水各项指标达到《连云港市水污染物排放标准》(DB32／180- 1998)中的二级标准。

The process of CAST （Cyclic Activated Sludge Technology） applied in domestic sewage treatment was introduced .The average removal rate of CODcr, SS, BODs, NH3-N, T-P have reached to 77.6%, 85.4%, 74.0%,83.0% and 79.7% respectively after treatment and the quality of the effluent were up to Grade Ⅱ of the Lianyungang Wastewater pollutant Discharge Standard （DB32/180-1998）.