城市污水深度处理技术方案比选

简要介绍了城市污水的性质,对城市污水处理厂处理后的污水再次深度处理达到国家《景观娱乐用水水质标准》（GB12941—91）中规定的水体达标排放指标提出两种工艺技术方案,并对两种方案在系统组成、出水水质稳定性、运行费用3个方面进行了比选。

Comparison and Selection of Technical Scheme of Deep Treatment of Urban Sewage

This paper briefly introduces the properties of the urban sewage, puts forward two technical schemes based on the water drainage standard indexes set in state’s Water Quality Standard for Scenery and Recreation Area （GB 12941—91）for the urban sewage through secondary deep treatment after the treatment in municipal wastewater treatment plant, and makes the comparison and selection of the two schemes from three aspects of system components, effluent water quality stability and operation cost.