| Biosorption of La^3＋ and Ce^3＋ by Agrobacterium sp.HN1 |
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| 引用本文： | 徐淑霞,张世敏,陈克,韩锦峰,刘华山,吴坤.Biosorption of La^3＋ and Ce^3＋ by Agrobacterium sp.HN1[J].中国稀土学报(英文版),2011(3):265-270. |
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| 作者姓名： | 徐淑霞 张世敏 陈克 韩锦峰 刘华山 吴坤 |
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| 作者单位： | College of Life Sciences;Henan Agricultural University;College of Agronomy; |
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| 基金项目： | supported by the Natural Science Research Program of Henan Province,China(2007180025) |
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| 摘 要： | The Agrobacterium sp.HN1 was isolated from the soil and used to adsorb rare earth ions La3+ and Ce3+.The results showed that the pretreatments of Agrobacterium sp.HN1 did not enhance the adsorption of La3+ and Ce3+.The pH,temperature,time and bacterial age affected the dynamics of adsorption of La3+ and Ce3+.The optimum adsorption conditions for Agrobacterium sp.HN1 were as follows:15 mg/L La3+ of initial concentration,10 mg/L Ce3+,300 mg/L(dry wt.cell) biomass for sorption,6.8 pH,30 oC temperature,150 r/min rotational speed,2 h adsorption time and 28 h bacterial age.The adsorption kinetics of La3+ and Ce3+ for Agrobacterium sp.HN1 followed the pseudo-second order equation.
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| 关 键 词： | biosorption rare earth elements(REEs) Agrobacterium sp.HN1 |
Biosorption of La~(3+) and Ce~(3+) by Agrobacterium sp.HN1 |
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| XU Shuxia,ZHANG Shimin,CHEN Ke,HAN Jinfeng,LIU Huashan,WU Kun.Biosorption of La~(3+) and Ce~(3+) by Agrobacterium sp.HN1[J].Journal of Rare Earths,2011(3):265-270. |
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| Authors: | XU Shuxia ZHANG Shimin CHEN Ke HAN Jinfeng LIU Huashan WU Kun |
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| Affiliation: | XU Shuxia,ZHANG Shimin,CHEN Ke,HAN Jinfeng,LIU Huashan,WU Kun(1.College of Life Sciences,Henan Agricultural University,Zhengzhou 450002,China,2.College of Agronomy,China) |
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| Abstract: | The Agrobacterium sp.HN1 was isolated from the soil and used to adsorb rare earth ions La3+ and Ce3+.The results showed that the pretreatments of Agrobacterium sp.HN1 did not enhance the adsorption of La3+ and Ce3+.The pH,temperature,time and bacterial age affected the dynamics of adsorption of La3+ and Ce3+.The optimum adsorption conditions for Agrobacterium sp.HN1 were as follows:15 mg/L La3+ of initial concentration,10 mg/L Ce3+,300 mg/L(dry wt.cell) biomass for sorption,6.8 pH,30 oC temperature,150 r/mi... |
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| Keywords: | biosorption rare earth elements(REEs) Agrobacterium sp HN1 |
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