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Removal of colonial Microcystis aeruginosa using two kinds of modified clays
Tian Juan (tianjuan01@163.com); Song Biyu; Lin Shen; Yu Boshi; Li Renhui (reli@ihb.ac.cn); Tian Juan; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2009
Source PublicationHupo Kexue
ISSN1003-5427
Volume21Issue:5Pages:669-674
AbstractMicrocystis waterbloom always occurs in colonial forms in natural waters. However, most laboratory studies on removal of Microcystis cells by various approaches were performed by using single-cell Microcystis strains. This study aimed to remove Microcystis aeruginosa, as the dominant species in Chinese waters, by Chitosan and Polymeric Aluminum Chloride (PAC) modified clays(Kaolin). Using colonial Microcystis aeruginosa strain HAB 657, the relationships between the quantity of the chitosan modified clays(y) and OD680(x) and between the quantity of the chitosan modified clays(y) and the concentration of chlorophyll-a(Chl.a)(x) was expressed as y=0.0349x-0.0019 and y=0.0524x-0.009, respectively. While relationships between the quantity of the PAC modified clays(y) and the OD680(x), and between the quantity of the PAC modified clays(,) and the Chl.a(x) content were expressed as y=0.0351x+0.0065 and y=0.0676x-0.0059 respectively. It showed that the optimal pH ranged from 5 to 8 for chitosan modified clays to remove Microcystis cells, and PAC modified clays with 5-9 optimal pH. Analysis of Electron Transport Rate (ETR) showed that sedimented Microcystis cells became yellowish and decayed in a week after treatment by PAC modified clay, and were dead in one month after the treatment of chitosan modified clays.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18631
Collection期刊论文
Corresponding AuthorTian Juan; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Tian Juan ,Song Biyu,Lin Shen,et al. Removal of colonial Microcystis aeruginosa using two kinds of modified clays[J]. Hupo Kexue,2009,21(5):669-674.
APA Tian Juan .,Song Biyu.,Lin Shen.,Yu Boshi.,Li Renhui .,...&Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2009).Removal of colonial Microcystis aeruginosa using two kinds of modified clays.Hupo Kexue,21(5),669-674.
MLA Tian Juan ,et al."Removal of colonial Microcystis aeruginosa using two kinds of modified clays".Hupo Kexue 21.5(2009):669-674.
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