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Article

Water Quality-Based Double-Gates Control Strategy for Combined Sewer Overflows Pollution Control

1
State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
2
Fuzhou City Construction Design & Research Institute Co. Ltd., Fuzhou 350001, China
3
College of Civil Engineering, Fuzhou University, Fuzhou 350116, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Vicenç Puig and Enrico Creaco
Water 2021, 13(4), 529; https://doi.org/10.3390/w13040529
Received: 11 December 2020 / Revised: 10 February 2021 / Accepted: 12 February 2021 / Published: 18 February 2021
The combined sewer overflows (CSO) pollution has caused many serious environmental problems, which has aroused a worldwide concern. Traditional interception-storage measures, which exhibit the disadvantages of the larger storage tank volume and the low concentration, cannot efficiently control the CSO pollution. To solve this problem, a water quality-based double-gate control strategy based on the pollution based real-time control (PBRTC) rule was proposed, and the chemical oxygen demand (COD) concentration was taken as the control index. A case study was carried out in Fuzhou, China as an example, in which the hydraulic and water quality model were constructed to evaluate two schemes. According to the results, compared to the traditional scheme, the double-gate scheme can not only reduce the storage tank volume by 1515 m3, but also increase the average COD interception rate by 1.84 times, thus ensuring the effective and stable operation of the facility. Furthermore, the traditional scheme and the double-gate scheme were evaluated under design rainfall beyond the design return period, which confirmed the high performance of the double-gate scheme in controlling CSO pollution. View Full-Text
Keywords: combined sewer overflows pollution; hydraulic and water quality model; pollution based real-time control; double-gate strategy based on water quality combined sewer overflows pollution; hydraulic and water quality model; pollution based real-time control; double-gate strategy based on water quality
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MDPI and ACS Style

Wei, Z.; Shangguan, H.; Zhan, J.; Lin, R.; Huang, X.; Lu, L.; Li, H.; Du, B.; Fan, G. Water Quality-Based Double-Gates Control Strategy for Combined Sewer Overflows Pollution Control. Water 2021, 13, 529. https://0-doi-org.brum.beds.ac.uk/10.3390/w13040529

AMA Style

Wei Z, Shangguan H, Zhan J, Lin R, Huang X, Lu L, Li H, Du B, Fan G. Water Quality-Based Double-Gates Control Strategy for Combined Sewer Overflows Pollution Control. Water. 2021; 13(4):529. https://0-doi-org.brum.beds.ac.uk/10.3390/w13040529

Chicago/Turabian Style

Wei, Zhongqing, Haidong Shangguan, Jiajun Zhan, Ruisheng Lin, Xiangfeng Huang, Lijun Lu, Huifeng Li, Banghao Du, and Gongduan Fan. 2021. "Water Quality-Based Double-Gates Control Strategy for Combined Sewer Overflows Pollution Control" Water 13, no. 4: 529. https://0-doi-org.brum.beds.ac.uk/10.3390/w13040529

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