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题名: Mechanical removal of heavy cyanobacterial bloom in the hyper-eutrophic lake Dianchi
作者: Shen Yin-wu ; Liu Yong-ding ; Wu Guo-qiao ; Ao Hong-Yi ; Qiu Chang-Qiang
通讯作者: Shen Yin-wu ; Inst Hydrobiol, Chinese Acad Sci, Wuhan, 430072, China
刊名: Acta Hydrobiologica Sinica
发表日期: 2004
卷: 28, 期:2, 页:131-136
收录类别: 其他
英文摘要: In eutrophic lakes dense concentration of the outbreak of cyanobacterial bloom could reach up to 108-9 cells/l in the water. By using several techniques as gravitational shaking, rotating shaking and centrifuging, the surface water was cleaned out in turn of condensing, dehydrating to harvest the algal mud; and then drying to powder or not according to the further requirement for processing. During April 2001 to November 2002 the technology was applied in lake Dianchi for 351 days. The total amount of treating surface water in lake Dianchi was 42648m3, amounted to 460.83 tons in dry weight of algal powder. In accordance with the composition determination of total nitrogen, total phosphors, total potassium, crude organic matters and heavy metals in algal powder, the removed algal biomass corresponded to taking out of 37.33t(N), 2.71t(P), 2.49t( K), and 200.32t(crude organic matters) I as well as the heavy metals of 2.289kg Pb), 2.23kg(As), 2.3kg(Hg), 0.51kg(Cd) respectively from the lake. The results indicated that the mechanical removing Is a feasible and helpful way in the hyper-eutrophic water bodies to control the out-breaking of cyanobacterial bloom and to reduce the inner nutrient load.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18121
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Shen Yin-wu; Liu Yong-ding; Wu Guo-qiao; Ao Hong-Yi; Qiu Chang-Qiang.Mechanical removal of heavy cyanobacterial bloom in the hyper-eutrophic lake Dianchi,Acta Hydrobiologica Sinica,2004,28(2):131-136
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文件名: Mechanical removal of heavy cyanobacterial bloom in the hyper-eutrophic lake Dianchi.pdf
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