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Mitigation of harmful algal blooms using modified clays: Theory, mechanisms, and applications
Yu, Zhiming1,2,3; Song, Xiuxian1,2,3; Cao, Xihua1,2; Liu, Yang1,3
2017-11-01
Source PublicationHARMFUL ALGAE
Volume69Pages:48-64
SubtypeArticle
AbstractClay dispersal is one of only a few mitigation methods for harmful algal blooms (HABs) ever applied in the field; however, low flocculation efficiency has always been the most significant drawback associated with natural unmodified clays. This review discusses key factors affecting the flocculation efficiency, based on results obtained in studies of the mechanisms underlying interactions between clay particles and HAB organisms. It further elaborates clay surface modification theory and methods for improving removal efficiency of HAB cells, followed by descriptions of various modified clays successfully prepared with removal efficiencies of HAB cells that are up to hundreds of times greater than natural clays and have lower dosing requirements of 4-10 t/km(2). Presently, modified clays are the most widely used method for the mitigation of HAB in the field in China. This review also evaluates potential ecological effects of modified clay disposal on water quality, typical aquatic organisms, benthic environments, and ecosystems. Both laboratory and field results have demonstrated that modified clays markedly can actually improve water quality after treatment and pose no negative effects on aquatic ecosystems. (C) 2017 Elsevier B.V. All rights reserved.
KeywordModified Clays Hab Mitigation Surface Modification Theory Preparation Method Applications In The Field Ecological Effects
DOI10.1016/j.hal.2017.09.004
Indexed BySCI
Language英语
WOS IDWOS:000416186400005
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/143281
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS
Recommended Citation
GB/T 7714
Yu, Zhiming,Song, Xiuxian,Cao, Xihua,et al. Mitigation of harmful algal blooms using modified clays: Theory, mechanisms, and applications[J]. HARMFUL ALGAE,2017,69:48-64.
APA Yu, Zhiming,Song, Xiuxian,Cao, Xihua,&Liu, Yang.(2017).Mitigation of harmful algal blooms using modified clays: Theory, mechanisms, and applications.HARMFUL ALGAE,69,48-64.
MLA Yu, Zhiming,et al."Mitigation of harmful algal blooms using modified clays: Theory, mechanisms, and applications".HARMFUL ALGAE 69(2017):48-64.
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