朱春伟 1孙霄峰 1吴苏虹 1叶益 2曹国庆 2高瑀辰3
作者信息
- 1. 清华苏州环境创新研究院,江苏苏州 215163
- 2. 苏州市供排水管理处,江苏苏州 215004
- 3. 苏州市河道管理处,江苏苏州 215124
- 折叠
摘要
Abstract
In order to adapt to the huge changes in China's economic,social,and ecological environment situation,Suzhou proposed the"Suzhou special emission limit"in 2018.As of the end of 2020,all municipal wastewater treatment plants(WWTPs)in Suzhou have completed the upgrading and reconstruction work.This study analyzes the effectiveness of this upgrading and reconstruction of 80 municipal WWTPs in Suzhou City,based on their operation status before and after the upgrading and reconstruction,and changes in treatment scale,load rate,and effluent quality.The results show that after this upgrading and reconstruction,the total treatment capacity of 80 municipal WWTPs in Suzhou has increased by 25.34％,and the distribution of load rates tends to be concentrated.The average effluent concentrations of chemical oxygen demand,ammonia nitrogen,total phosphorus,and total nitrogen decreased by 19.81％,48.82％,34.47％,and 24.72％,respectively,and the average removal rates increased by 1.82％,1.43％,1.24％,and 9.48％,respectively.The effluent quality basically meets the requirements of"Suzhou special emission limit".Both engineering-type and management-type upgrading and reconstruction measures have achieved good results.关键词
污水处理厂/提标改造/出水水质/处理工艺/苏州特别排放限值Key words
wastewater treatment plant/upgrading and reconstruction/effluent quality/treatment process/Suzhou special emission limits分类
建筑与水利
