江门某生活污水处理厂二期工程工艺设计

Technical Design of the Second Phase of a Sewage Treatment Plant in Jiangmen

广东江门某生活污水处理厂二期工程设计规模为2.5×10~4 m^3/d,排放标准执行《城镇污水处理厂污染物排放标准》(GB 18918—2002)一级A标准及《广东省地方标准水污染物排放限值》(DB 44/26—2001)的第二时段一级标准的较严值。根据污水水质特点,工程采用AAO、高效沉淀、滤布滤池等污水处理工艺。介绍工艺流程、工艺方案、主要单元的工程设计参数和投产效果,并进行技术总结。

Design capacity of the second-stage project of some domestic sewage treatment plant in Jiangmen,is2.5×10^4m^3/d.The discharge standard can meet the first level A criteria specified in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant(GB18918-2002),as well as meet the first level(the second stage)specified in Guangdong Provincial Standard Discharge Limits of Water Pollutants(DB44/26-2001).Considering sewage characteristics,combined process of AAO,high-rate sedimentation and cloth media filter is adopted.The treatment process flow,process plan,design parameters of main units and the production effect are described,as well as technical summary is made.