| 离子筛材料的合成及其对盐湖卤水中锂的选择性吸附 |
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| 引用本文： | 李艳,齐涛,王丽娜,邹兴,张懿. 离子筛材料的合成及其对盐湖卤水中锂的选择性吸附[J]. 过程工程学报, 2006, 6(5): 724-728 |
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| 作者姓名： | 李艳 齐涛 王丽娜 邹兴 张懿 |
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| 作者单位： | 中国科学院过程工程研究所绿色过程与工程实验室,北京,100080;北京科技大学冶金学院,北京,100083;中国科学院过程工程研究所绿色过程与工程实验室,北京,100080;北京科技大学冶金学院,北京,100083 |
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| 基金项目： | 国家自然科学基金 , 中国科学院科研基金 |
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| 摘 要： | 以γ-MnOOH和LiOH溶液为原料，水热法合成离子筛前驱体锂锰氧化物，经酸洗抽提出锂离子，得到离子筛材料，对产物γ-MnOOH, Li-MnO和H-MnO进行了XRD和SEM表征. 研究了离子筛材料对盐湖卤水中锂的吸附性能. 实验结果表明，离子筛材料对高镁锂比盐湖卤水中Li+的最大吸附量为37 mg/g，具有吸附容量大、选择性高的优点.
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| 关 键 词： | 离子筛材料 盐湖卤水 锂 吸附 |
| 文章编号： | 1009-606X（2006）05-0724-05 |
| 收稿时间： | 2005-08-08 |
| 修稿时间： | 2005-11-08 |
Synthesis of an Ion-sieve Material and Its Adsorption of Lithium from Salt Lake Brine |
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| LI Yan,QI Tao,WANG Li-na,ZOU Xing,ZHANG Yi. Synthesis of an Ion-sieve Material and Its Adsorption of Lithium from Salt Lake Brine[J]. Chinese Journal of Process Engineering, 2006, 6(5): 724-728 |
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| Authors: | LI Yan QI Tao WANG Li-na ZOU Xing ZHANG Yi |
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| Affiliation: | School of Metallurgy, Beijing Science and Technology University |
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| Abstract: | Lithium manganese oxide precursor was prepared by hydrothermal reaction of monoclinic type γ-MnOOH with LiOH solution. The ion-sieve material was obtained by acid treatment of the precursor through H+/Li+ ion exchange. The materials of γ-MnOOH, Li-MnO and H-MnO were characterized by XRD and SEM. The adsorption behavior of the ion-sieve material to lithium from salt lake brine was investigated. The ion-sieve material showed a 37 mg/g lithium uptake from salt lake brine with the high ratio of magnesium to lithium, proven to have a large uptake capacity and a high selectivity. |
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| Keywords: | ion-sieve material salt lake brine lithium adsorption |
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