Volume 6, Issue 1, March 2020, Page: 1-9
Research on Design Method Optimization of Combined Sewer Overflow Detention Tank
Tang Lei, Water & Infrastructure Institute, China Academy of Urban Planning & Design, Beijing, China
Jia Shuhui, Water & Infrastructure Institute, China Academy of Urban Planning & Design, Beijing, China
Wang Weiwei, Water & Infrastructure Institute, China Academy of Urban Planning & Design, Beijing, China
Wu Song, Western Branch, China Academy of Urban Planning & Design, Chongqing, China
Yi Qingsong, Western Branch, China Academy of Urban Planning & Design, Chongqing, China
Received: Dec. 14, 2019;       Accepted: Jan. 3, 2020;       Published: Jan. 21, 2020
DOI: 10.11648/j.ajwse.20200601.11      View  54      Downloads  32
Detention tank is widely used in urban waterlogging control, rainwater runoff pollution control, combined sewer overflow (CSO) control and rainwater utilization, etc. For detention tanks in different types or functions, their design methods, construction forms and ways of operation and management are very different. In recent years, many cities in China have begun to apply or plan to build CSO detention tanks to control the CSO pollution, but there are still many problems and puzzles in designing the tank. This paper summarizes and evaluates the common design methods of CSO detention tank at China and abroad. Based on the physical projects in which the author has participated in, the scale and control effect of the CSO detention tank are studied by model simulation, taking a combined sewer system catchment in the Beijing old city as examples. Based on the analysis, the long-term simulation method is recommended for designing of CSO detention tanks in China, and a design criteria suitable for a larger range can be determined through research and analysis of a typical and representative area if there is no way to research every area. At last, several key factors that affect greatly the scale and pollutant control efficiency of CSO detention tank are summarized and analyzed, including objectives of CSO control, rainfall characteristics, CSO pollutants transport law, interception multiple, capacity of wastewater treatment plant, space conditions and investment, layout of detention tank and operation mode of detention tank. Hope to provide reference for the scientific designing of CSO detention tank and realize cost-effectively controlling CSO in cities of China.
Combined Sewer Overflow, Detention Tank, Design Method, Cost-effective, China
To cite this article
Tang Lei, Jia Shuhui, Wang Weiwei, Wu Song, Yi Qingsong, Research on Design Method Optimization of Combined Sewer Overflow Detention Tank, American Journal of Water Science and Engineering. Vol. 6, No. 1, 2020, pp. 1-9. doi: 10.11648/j.ajwse.20200601.11
Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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