大型复合生态工程系统对河口污染控制的效果分析

IF 2.3 Q2 Environmental Science
Y. Jiang, Xiaoyi Xu, Wei Wu, Bin Wang, Yidong Sun, Xiaobin Chen, Zhengdong Shen, Tian-yin Huang
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引用次数: 6

摘要

湖泊入海口的水质和水环境直接影响到整个湖泊的水质和生态功能。将河口生物技术分析与水体原位生态功能恢复相结合的多技术体系已逐步应用于湖泊管理与恢复。谢禄岗河口位于阳城中湖以北,一直呈现一定程度的富营养化现象。为保障阳澄湖生态环境安全,开发了“截流降水-生态修复-耦合生物处理”多级净化生态系统。2020年10月至2021年5月对系统内不同机组进出水口的水质监测结果表明,该系统是有效的。我们还发现,复合体系的净化能力较高,能显著提高总氮、总磷、高锰酸钾指数和总悬浮物的还原能力。这些组分的平均去除率分别为41.34%、61.76%、35.21%和67.21%,对典型重金属(Zn、Cu、Cd和Pb)的去除率为30.4% ~ 48.9%。该复合系统显著改善了河口水质和湿地生态功能,显示了其有效性和意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis on the effect of large-scale compound ecological engineering system on pollution control of the estuary of a lake
The quality of the water and the water environment in the estuary of a lake directly affect the water quality and ecological functions of the entire lake. Multi-technology systems, which integrate biotechnological analysis of a lake estuary and restoration of the ecological functions of the water in situ, have gradually been adopted for lake management and restoration. The Xielugang Estuary is located north of the Yangcheng Middle Lake and always exhibits a certain degree of eutrophic phenomena. To ensure the safety of the ecological environment in Yangcheng Lake, a multi-level purification and ecological system with ‘intercept precipitation–ecological restoration–coupled biological treatment’ was developed. Water quality monitoring results for the inlet and outlet of different units in the system from October 2020 to May 2021 showed that the system was effective. We also found that the purification capacity of the composite system was high and the system could significantly enhance the reduction of total nitrogen, total phosphorus, potassium permanganate index and total suspended solids. The average removal rates for these components were 41.34, 61.76, 35.21 and 67.21%, respectively, and the removal rate for typical heavy metals (Zn, Cu, Cd, and Pb) was 30.4–48.9%. The composite system substantially improved the water quality of the estuary and the wetland ecological function, demonstrating its effectiveness and significance.
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来源期刊
Journal of Water Reuse and Desalination
Journal of Water Reuse and Desalination ENGINEERING, ENVIRONMENTAL-WATER RESOURCES
CiteScore
4.30
自引率
0.00%
发文量
23
审稿时长
16 weeks
期刊介绍: Journal of Water Reuse and Desalination publishes refereed review articles, theoretical and experimental research papers, new findings and issues of unplanned and planned reuse. The journal welcomes contributions from developing and developed countries.
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