(1)簡況:該廠于1982年投產,收集城市中區和南區的城市污水,服務范圍約20 km2。處理廠規模平均流量為3.5 萬m3/d,采用傳統曝氣法。進水水質:BOD5=150 mg/L,CODcr=200 mg/L,SS=200 mg/L。出水水質:BOD5=20 mg/L,CODcr=30 mg/L,SS=30 mg/L。
(2)處理流程(圖3):污水先經過格柵,再經曝氣沉砂池,輻流式初沉池,然后流入曝氣池,最后流入輻流式二沉池,沉淀池出水排入農田或附近小河;污泥部分回流至曝氣池,剩余污泥經重力濃縮后,再經帶式壓濾機脫水成泥餅外運。
特別聲明:污水能否被接收處理,以污水廠根據水量、水質評估結果為準,不保證所有廢水都可以被接納。
Notice: Whether the sewage can be accepted or not depends on the assessment results of the sewage treatment plant according to the water quantity and water quality, which does not guarantee that all the wastewater can be accepted.