皖南某乡镇污水处理工程项目设计案例

Engineering Design Case of Wastewater Treatment Project of a Rural Township in Southern Anhui

由于环保设施的发展滞后,乡镇生活污水难以经简单处理后达标排放。该工程涉及6个乡镇的污水处理厂及配套污水收集系统,近期实施规模为27700 m^3/d。新建6个乡镇的污水处理厂6座,近期实施污水处理规模为3300m^3/d。根据乡镇生活污水处理特性,选择AAO工艺。工程建成投入使用后,出水水质达到《城镇污水处理厂污染物排放标准》(GB18918-2002)中的一级A标准。该项目的实施实现了县域水环境的改善提高,有序推进了美好乡村建设,切实改善了农村居民生活条件。

Due to the lag in the development of environmental protection facilities,domestic sewage in towns and villages is difficult to make up-to-standard discharge after simple treatment.The project involves 6 WWTPs and supporting sewage collection systems in townships and towns,with a recent implementation capacity of 27700 m^3/d.Six new WWTPs in 6 townships are newly built,and the scale of wastewater treatment is 3300 m^3/d.According to the characteristics of domestic sewage treatment,the AAO process is selected.After the project is completed and put into use,the effluent quality meets first grade A criteria in the Pollutant Discharge Standard for WWTPs(GB 18918-2002).The implementation of the project has improved the improvement of the county’s water environment,promoted the beautiful rural construction in an orderly manner,and effectively improved the living conditions of rural residents.