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| LiMg0.5Mn1.5O4的合成及对Li+的离子交换选择性 | |
| 引用本文： | 董殿权,张凤宝,张国亮,刘亦凡.LiMg0.5Mn1.5O4的合成及对Li+的离子交换选择性[J].无机化学学报,2004,20(9):1126-1130. |
| 作者姓名： | 董殿权 张凤宝 张国亮 刘亦凡 |
| 作者单位： | 1. 天津大学化工学院,天津,300072;青岛科技大学化工学院,青岛,266042 2. 天津大学化工学院,天津,300072 3. 青岛科技大学化工学院,青岛,266042 |
| 基金项目： | 国家自然科学基金资助项目(No.29376245)，山东省科技厅资助项目(No.03110102)。 |
| 摘 要： | 锂及其化合物在航空航天、化工、医药、空调、高能电池和热核反应等方面都有广泛应用，对锂及其化合物的需求与日俱增。我国液体锂资源非常丰富，开发利用其中的锂资源具有重要意义。从盐湖水、地下卤水、盐田母液、油气田水等咸水资源中提取锂的方法有碳酸盐沉淀法、离子交换法、萃取法等。离子 |
| 关 键 词： | Li-Mg-Mn复合氧化物 合成 锂 离子交换 无机离子交换剂 尖晶石结构 |
| 修稿时间： | 2004年3月22日 |
LiMg0.5Mn1.5O4 Synthesis and Its Selectivity to Li+ Exchange |
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| DONG Dian-Quan,ZHANG Feng-Bao,ZHANG Guo-Liang and LIU Yi-Fan.LiMg0.5Mn1.5O4 Synthesis and Its Selectivity to Li+ Exchange[J].Chinese Journal of Inorganic Chemistry,2004,20(9):1126-1130. | |
| Authors: | DONG Dian-Quan ZHANG Feng-Bao ZHANG Guo-Liang and LIU Yi-Fan |
| Institution: | School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072;Qingdao University of Science and Technology, Qingdao 266042,School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072,School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072 and Qingdao University of Science and Technology, Qingdao 266042 |
| Abstract: | The ion-exchanger LiMg0.5Mn1.5O4 of spinel type was prepared by the common precipitation/heated crystallization method, and was acid modified. Its properties of ion-exchange for alkali ions such as saturation capacity of exchange, distribution coefficient and the pH titration curve have been determined. LiMg0.5Mn1.5O4 was characterized by X-ray diffraction. These results show that this inorganic ion-exchanger has better remembering and selectivity of ion exchange, and higher capacity of exchange for Li+, the capacity of exchange reaches 32.39 mg·g-1 for Li+. |
| Keywords: | Li-Mg-Mn complex oxide synthesis lithium ion exchange inorganic ion exchanger spinel type |
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