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Use of life cycle assessment and water quality analysis to evaluate the environmental impacts of the bioremediation of polluted water
Yao, Xiaochen1,2; Cao, Yun2,3; Zheng, Guodi1,4; Devlin, Adam T.2,3; Yu, Bao1,4; Hou, Xin2; Tang, Siwen2; Xu, Lingming2; Lu, Yuanhong2
2021-03-20
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume761Pages:13
Corresponding AuthorZheng, Guodi(zhenggd@igsnrr.ac.cn)
AbstractThe lakes along the Yangtze River are important source of pollutants that ultimately flow from the river into the East China Sea. Bioremediation is a green technology used to treat polluted water in lakes along the Yangtze River. Life cycle assessment and a comprehensive water quality index are used to evaluate the potential environmental impacts of constructed wetlands (CWs), ecological floating beds (EFBs), and combined ecological floating beds (CEFBs). The results showed that the raw material acquisition, construction, and operation of the CWs, EFBs, and CEFBs accounted for 24.1%, 35.3%, and 40.6%, respectively, of the total environmental impact. The acquisition of raw materials to construct the bioremediation system accounted for 51.6% of the total environmental impact. Among the nine impact categories considered, the system's global warming potential was the largest. Among the three stages of the project (raw material acquisition, construction, and operation), construction had the largest impact on eutrophication (the eutrophic potential of the construction stage was the largest). Furthermore, the operation of the project reduced the human eco-toxicity potential. The evaluation of the water quality before and after implementing the project revealed that CEFBs purified the water more effectively than CWs and EFBs did, particularly with respect to the removal of the total phosphorus. (C) 2020 Elsevier B.V. All rights reserved.
KeywordLife cycle assessment Water quality evaluation Constructed wetland Ecological floating bed Combined ecological floating bed
DOI10.1016/j.scitotenv.2020.143260
WOS KeywordFLOATING TREATMENT WETLAND ; WASTE-WATER ; CONSTRUCTED WETLANDS ; TREATMENT SYSTEMS ; SLUDGE MANAGEMENT ; CARRYING-CAPACITY ; PHOSPHORUS ; OPTIONS ; CARBON ; SOIL
Indexed BySCI
Language英语
Funding ProjectNational Science and Technology Major Project, China[2016ZX05040-002]
Funding OrganizationNational Science and Technology Major Project, China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000607780900063
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/136302
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZheng, Guodi
Affiliation1.Chinese Acad Sci, Ctr Environm Remediat, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Jiangxi Normal Univ, Sch Geog & Environm, Nanchang 330022, Jiangxi, Peoples R China
3.Jiangxi Normal Univ, Key Lab Poyang Lake Wetland & Watershed Res, Minist Educ, Nanchang 330022, Jiangxi, Peoples R China
4.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yao, Xiaochen,Cao, Yun,Zheng, Guodi,et al. Use of life cycle assessment and water quality analysis to evaluate the environmental impacts of the bioremediation of polluted water[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,761:13.
APA Yao, Xiaochen.,Cao, Yun.,Zheng, Guodi.,Devlin, Adam T..,Yu, Bao.,...&Lu, Yuanhong.(2021).Use of life cycle assessment and water quality analysis to evaluate the environmental impacts of the bioremediation of polluted water.SCIENCE OF THE TOTAL ENVIRONMENT,761,13.
MLA Yao, Xiaochen,et al."Use of life cycle assessment and water quality analysis to evaluate the environmental impacts of the bioremediation of polluted water".SCIENCE OF THE TOTAL ENVIRONMENT 761(2021):13.
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