为解决杭州市文教区三个住宅小区的污水出路,市城乡建委决定建一座城市污水处理厂,以作应急措施。现将工艺设计介绍如下:一、污水水质和水量工程规模为5600m~3/d,小区居民排水定额为150L/人·日。污水性质为生活污水,参考其他城市资料采用进水水质为 BOD_5=200mg/l,SS=280mg/l,TKN=60mg/l。 In order to solve the sewage outflow in the three residential districts of Hangzhou Culture and Education District, the municipal urban and rural construction commission decided to build a city sewage treatment plant for emergency measures. Now the process design is introduced as follows: 1. The project water quality and water volume project scale is 5600m~3/d, and the residential residents’ drainage quota is 150L/person·day. The nature of the sewage is domestic sewage, and the influent water quality using reference data from other cities is BOD_5=200 mg/l, SS=280 mg/l, and TKN=60 mg/l.