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学科主题: Environmental Sciences
题名: Kinetic studies on the effects of rare earth elements (REES) on the growth of Microcystis and their accumulation by Microcystis
作者: Zhou, PJ ; Lin, J ; Shen, H ; Li, T ; Song, LR ; Shen, YW ; Liu, YD
通讯作者: Zhou, PJ, Wuhan Univ, Dept Environm Sci, Wuhan 430072, Peoples R China
关键词: rare earth elements (REEs) ; Microcystis ; effects ; accumulation ; adsorption ; second order kinetics adsorption model
刊名: FRESENIUS ENVIRONMENTAL BULLETIN
发表日期: 2003
卷: 12, 期:11, 页:1328-1333
收录类别: SCI
部门归属: Wuhan Univ, Dept Environm Sci, Wuhan 430072, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
摘要: In the paper the kinetic effects of La3+ and Ce4+ on the growth of Microcystis and the accumulation kinetics of Microcystis in the single and combined systems of La3+ and Ce4+ were studied. The mechanism of the effects of La3+ and Ce4+ on the growth of Microcystis and their accumulation kinetics were also discussed. In the single system, La3+ stimulated the growth of Microcystis at initial concentrations below 2 mg / 1, but inhibited it above 2 mg / 1. Ce4+ accelerated the growth of Microcystis at initial concentrations below 0.2 mg / 1 and inhibited at above 0.2 mg /l. Furthermore, the stimulation weakened with the increase of initial concentrations of La3+ and Ce4+. In the combined system, the growth of Microcystis was accelerated in the over all cases. In the single system, the amount of La3+ and Ce4+ uptake was more at higher initial concentrations than at lower ones. At the same initial concentrations, La3+ and Ce4+ uptake in the combined system was less than that in the single system. The kinetic process of La3+ and Ce4+ adsorpted by Microcystis can be explained with the second order kinetics adsorption model.
WOS记录号: WOS:000186886900006
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9596
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
Zhou, PJ; Lin, J; Shen, H; Li, T; Song, LR; Shen, YW; Liu, YD.Kinetic studies on the effects of rare earth elements (REES) on the growth of Microcystis and their accumulation by Microcystis,FRESENIUS ENVIRONMENTAL BULLETIN,2003,12(11):1328-1333
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