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Study on the application of integrated eco-engineering in purifying eutrophic river waters
Fang, Tao1; Bao, Shaopan1,2; Sima, Xiaofeng3; Jiang, Hong3; Zhu, Wentao1,2; Tang, Wei1
2016-09-01
Source PublicationECOLOGICAL ENGINEERING
ISSN0925-8574
Volume94Pages:320-328
AbstractEutrophication has become the primary water quality issue for most of the freshwater in the world. An integrated ecological engineering was applied to treat the eutrophic water of the Shuangqiao River (SQ River), one of the most heavily polluted rivers inflowing to the Chaohu Lake, China. A multi-pond constructed wetlands system was built up to treat the external loading of wastewater. Meanwhile, an in situ purification system consisted of sediment dredging, hydrophytes restoration and artificial floating islands was constructed to purify the internal loading and the river course water. By monitoring the river water quality and analyzing the samples of sediments and plants, the treatment effects and efficiencies of single and integrated ecological technique were studied. Our results indicated that the implement of ecological project notably enhanced the river's capacity of reducing total phosphorus (TP), total nitrogen (TN) and potassium permanganate index (COD), which had increased from 2.49, 33.69 and 40.32 tons per year to 3.75, 58.28 and 74.36 tons per year, respectively. As a result, the concentrations of TP, TN and COD in the river water were dropped by 10.5%, 11.8% and 8.2% respectively. The monitoring data also showed that the removal efficiency of the in situ purification system varied with the seasons, while that of the wetlands system remained at a high level throughout the year, indicating the feasibility of a combination of different techniques to reduce the impact of season on water purification. In summary, this research indicated that single ecological technique produced no satisfying results due to the limits of technique features and environmental conditions, while the integrated engineering techniques could overcome those restrictions and had the potential to remediate heavily polluted rivers. (C) 2016 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordEutrophication Integrated Ecological Engineering Constructed Wetlands In Situ Purification System
DOI10.1016/j.ecoleng.2016.06.003
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
Indexed BySCI
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-001) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-001) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-001) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-001)
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Engineering
WOS SubjectEcology ; Engineering, Environmental ; Environmental Sciences
WOS KeywordCONSTRUCTED WETLANDS ; WASTE-WATER ; POLLUTION CONTROL ; SHALLOW LAKES ; FRESH-WATER ; SEDIMENT ; PHOSPHORUS ; NITROGEN ; RESTORATION ; REMOVAL
WOS IDWOS:000381636400036
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-001) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-001) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-001) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07103-001)
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/28333
Collection水环境工程研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Fang, Tao,Bao, Shaopan,Sima, Xiaofeng,et al. Study on the application of integrated eco-engineering in purifying eutrophic river waters[J]. ECOLOGICAL ENGINEERING,2016,94:320-328.
APA Fang, Tao,Bao, Shaopan,Sima, Xiaofeng,Jiang, Hong,Zhu, Wentao,&Tang, Wei.(2016).Study on the application of integrated eco-engineering in purifying eutrophic river waters.ECOLOGICAL ENGINEERING,94,320-328.
MLA Fang, Tao,et al."Study on the application of integrated eco-engineering in purifying eutrophic river waters".ECOLOGICAL ENGINEERING 94(2016):320-328.
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