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An integrated method for removal of harmful cyanobacterial blooms in eutrophic lakes
Wang, Zhicong1,2; Li, Dunhai1; Qin, Hongjie1,2; Li, Yinxia1,2; Li, DH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2012
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume160Pages:34-41
AbstractAs the eutrophication of lakes becomes an increasingly widespread phenomenon, cyanobacterial blooms are occurring in many countries. Although some research has been reported, there is currently no good method for bloom removal. We propose here a new two-step integrated approach to resolve this problem. The first step is the inactivation of the cyanobacteria via the addition of H(2)O(2). We found 60 mg/L was the lowest effective dose for a cyanobacterial concentration corresponding to 100 mu g/L chlorophylla. The second step is the flocculation and sedimentation of the inactivated cyanobacteria. We found the addition of lake sediment clay (2 g/L) plus polymeric ferric sulfate (20 mg/L) effectively deposited them on the lake bottom. Since algaecides and flocculants had been used separately in previous reports, we innovatively combined these two types of reagents to remove blooms from the lake surface and to improve the dissolved oxygen content of lake sediments. (C) 2011 Elsevier Ltd. All rights reserved.; As the eutrophication of lakes becomes an increasingly widespread phenomenon, cyanobacterial blooms are occurring in many countries. Although some research has been reported, there is currently no good method for bloom removal. We propose here a new two-step integrated approach to resolve this problem. The first step is the inactivation of the cyanobacteria via the addition of H(2)O(2). We found 60 mg/L was the lowest effective dose for a cyanobacterial concentration corresponding to 100 mu g/L chlorophylla. The second step is the flocculation and sedimentation of the inactivated cyanobacteria. We found the addition of lake sediment clay (2 g/L) plus polymeric ferric sulfate (20 mg/L) effectively deposited them on the lake bottom. Since algaecides and flocculants had been used separately in previous reports, we innovatively combined these two types of reagents to remove blooms from the lake surface and to improve the dissolved oxygen content of lake sediments. (C) 2011 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordAlgaecide Bloom Control Eutrophic Lakes Flocculants Harmful Cyanobacteria
Department[Wang, Zhicong; Li, Dunhai; Qin, Hongjie; Li, Yinxia] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Wang, Zhicong; Qin, Hongjie; Li, Yinxia] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
DOI10.1016/j.envpol.2011.09.003
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Basic Research and Development Plan[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005-3, 2009ZX07106-001-003] ; National Basic Research and Development Plan[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005-3, 2009ZX07106-001-003] ; National Basic Research and Development Plan[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005-3, 2009ZX07106-001-003] ; National Basic Research and Development Plan[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005-3, 2009ZX07106-001-003]
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000297898000006
WOS KeywordMICROCYSTIS-AERUGINOSA ; HYDROGEN-PEROXIDE ; POLYFERRIC SULFATE ; ALGAL BLOOMS ; DRINKING-WATER ; WASTE-WATER ; STRESS ; PHOTOSYNTHESIS ; SENSITIVITY ; INHIBITION
Funding OrganizationNational Basic Research and Development Plan[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005-3, 2009ZX07106-001-003] ; National Basic Research and Development Plan[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005-3, 2009ZX07106-001-003] ; National Basic Research and Development Plan[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005-3, 2009ZX07106-001-003] ; National Basic Research and Development Plan[2008CB418002]; National Major Programs of Water Body Pollution Control and Remediation[2009ZX07104-005-3, 2009ZX07106-001-003]
Citation statistics
Cited Times:48[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16755
Collection水环境工程研究中心_期刊论文
Corresponding AuthorLi, DH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zhicong,Li, Dunhai,Qin, Hongjie,et al. An integrated method for removal of harmful cyanobacterial blooms in eutrophic lakes[J]. ENVIRONMENTAL POLLUTION,2012,160:34-41.
APA Wang, Zhicong,Li, Dunhai,Qin, Hongjie,Li, Yinxia,&Li, DH .(2012).An integrated method for removal of harmful cyanobacterial blooms in eutrophic lakes.ENVIRONMENTAL POLLUTION,160,34-41.
MLA Wang, Zhicong,et al."An integrated method for removal of harmful cyanobacterial blooms in eutrophic lakes".ENVIRONMENTAL POLLUTION 160(2012):34-41.
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