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Kinetic studies on the effects of rare earth elements (REES) on the growth of Microcystis and their accumulation by Microcystis
Zhou, PJ; Lin, J; Shen, H; Li, T; Song, LR; Shen, YW; Liu, YD; Zhou, PJ, Wuhan Univ, Dept Environm Sci, Wuhan 430072, Peoples R China
2003
Source PublicationFRESENIUS ENVIRONMENTAL BULLETIN
Volume12Issue:11Pages:1328-1333
AbstractIn 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.
KeywordRare Earth Elements (Rees) Microcystis Effects Accumulation Adsorption Second Order Kinetics Adsorption Model
DepartmentWuhan 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
Subject AreaEnvironmental Sciences
Indexed BySCI
WOS IDWOS:000186886900006
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9596
Collection期刊论文
Corresponding AuthorZhou, PJ, Wuhan Univ, Dept Environm Sci, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Zhou, PJ,Lin, J,Shen, H,et al. Kinetic studies on the effects of rare earth elements (REES) on the growth of Microcystis and their accumulation by Microcystis[J]. FRESENIUS ENVIRONMENTAL BULLETIN,2003,12(11):1328-1333.
APA Zhou, PJ.,Lin, J.,Shen, H.,Li, T.,Song, LR.,...&Zhou, PJ, Wuhan Univ, Dept Environm Sci, Wuhan 430072, Peoples R China.(2003).Kinetic studies on the effects of rare earth elements (REES) on the growth of Microcystis and their accumulation by Microcystis.FRESENIUS ENVIRONMENTAL BULLETIN,12(11),1328-1333.
MLA Zhou, PJ,et al."Kinetic studies on the effects of rare earth elements (REES) on the growth of Microcystis and their accumulation by Microcystis".FRESENIUS ENVIRONMENTAL BULLETIN 12.11(2003):1328-1333.
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