| 盐湖卤水协同萃取提锂及基础热力学性质 |
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| 引用本文： | 李锦丽,朱华芳,王敏,时历杰,赵有璟,张宏韬,葛飞,康为清,高洁.盐湖卤水协同萃取提锂及基础热力学性质[J].无机化学学报,2014,30(10):2389-2393. |
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| 作者姓名： | 李锦丽 朱华芳 王敏 时历杰 赵有璟 张宏韬 葛飞 康为清 高洁 |
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| 作者单位： | 中国科学院青海盐湖研究所盐湖资源化学实验室,西宁,810008 |
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| 基金项目： | 青海省自然科学基金面上项目（No.2011-Z-916）和青海省科技支撑项目（No.2013-G-137A）资助项目。 |
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| 摘 要： | 为了充分利用盐湖卤水中丰富的锂资源,提出了以磷酸三丁酯(TBP)-乙酸丁酯(BA)-FeCl3-260#磺化煤油体系协同萃取提锂的方法。针对该体系,考察了卤水酸度、nFe/nLi比以及温度对协同萃取过程的影响。根据锂离子及其它主要离子萃取率的变化,确定了最优萃取条件为:pH=2,nFe/nLi=3.0,T=20℃。在最优条件下,单级萃取率达到90%左右。同时,研究了萃取过程的热焓、吉布斯自由能及熵变等基础热力学性质。结果表明,在选定的萃取体系和条件下,锂的萃取反应为放热反应,萃取过程为熵减过程。
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| 关 键 词： | 锂 协同萃取 乙酸丁酯 热力学性质 |
| 收稿时间： | 2014/2/19 0:00:00 |
| 修稿时间： | 2014/5/21 0:00:00 |
Co-extraction of Lithium from Salt Lake and Its Thermodynamic Properties |
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| LI Jin-Li,ZHU Hua-Fang,WANG Min,SHI Li-Jie,ZHAO You-Jing,ZHANG Hong-Tao,GE Fei,KANG Wei-Qing and GAO Jie.Co-extraction of Lithium from Salt Lake and Its Thermodynamic Properties[J].Chinese Journal of Inorganic Chemistry,2014,30(10):2389-2393. |
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| Authors: | LI Jin-Li ZHU Hua-Fang WANG Min SHI Li-Jie ZHAO You-Jing ZHANG Hong-Tao GE Fei KANG Wei-Qing and GAO Jie |
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| Institution: | Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China;Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China;Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China;Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China;Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China;Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China;Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China;Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China;Laboratory of Saline Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China |
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| Abstract: | |
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| Keywords: | lithium synergetic extraction butyl acetate thermodynamic properties |
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