| 含锂卤水中锂资源高效利用与绿色分离的新型萃取体系 |
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| 引用本文： | 李丽娟,彭小五,时东,张利诚,李慧芳,宋富根,聂锋,姬连敏,宋雪雪,曾忠民.含锂卤水中锂资源高效利用与绿色分离的新型萃取体系[J].盐湖研究,2018,26(4):1-10. |
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| 作者姓名： | 李丽娟 彭小五 时东 张利诚 李慧芳 宋富根 聂锋 姬连敏 宋雪雪 曾忠民 |
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| 作者单位： | 中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008;中国科学院大学,北京 100049,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008;中国科学院大学,北京 100049,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008;中国科学院大学,北京 100049,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008,中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008;盐湖资源开发工程技术研究中心,青海 西宁 810008 |
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| 基金项目： | 国家自然科学联合基金(U1707601,U1407203)；中科院重点部署项目(KG-ZD-EW-604) DOI:10.12119/j.yhyj.201804001含锂卤水中锂资源高效利用与绿色分离的新型萃取体系李丽娟1,2,彭小五1,2,3,时东1,2,张利诚1,2,3,李慧芳1,2,3宋富根1,2,聂锋1.2,姬连敏1,2,宋雪雪1,2,曾忠民1,2 (1.中国科学院青海盐湖研究所,中国科学院盐湖资源综合高效利用重点实验室,青海 西宁 810008；2.盐湖资源开发工程技术研究中心,青海 西宁 810008； 3.中国科学院大学,北京 100049) |
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| 摘 要： | 针对现有高镁锂比盐湖卤水、碳酸锂产业排放的碱性料液、废旧锂电池回收液等含锂溶液的萃取分离技术现状以及高效、清洁、高值化利用的重大需求及关键基础科学问题,设计合成出数十种酰胺类、磷酸酯类以及双酮类锂特效萃取剂,通过对该类萃取剂的表征与不同放大规模的研究,筛选出多个具有工业应用前景的锂萃取体系,研发出适合我国盐湖卤水锂资源特点的、经济上可行的具有自主知识产权的分离提取锂的新萃取体系与工艺,突破高镁锂比盐湖卤水提锂这一世界性技术难题。经过产业化应用研究,萃取法从高镁锂比盐湖卤水中分离提取锂的技术,在锂镁选择性分离以及资源高效利用率方面已经凸显出了比现有任何提锂工艺更加优异的效果,为我国盐湖资源高效、清洁、高值化利用提供科学依据,提升我国在盐湖锂分离领域的国际地位和竞争力。
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| 关 键 词： | 酰胺类 磷酸酯类 双酮类 含锂卤水 萃取体系 |
| 收稿时间： | 2018/10/16 0:00:00 |
Eco-friendly Separation and Effective Applications of Lithium Resources from Various Brine with Lithium:Their Extractant and Extraction System |
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| LI Li-juan,PENG Xiao-wu,SHI Dong,ZHANG Li-cheng,LI Hui-fang,SONG Fu-gen,NIE Feng,JI Lian-min,SONG Xue-xue and ZENG Zhong-min.Eco-friendly Separation and Effective Applications of Lithium Resources from Various Brine with Lithium:Their Extractant and Extraction System[J].Journal of Salt Lake Research,2018,26(4):1-10. |
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| Authors: | LI Li-juan PENG Xiao-wu SHI Dong ZHANG Li-cheng LI Hui-fang SONG Fu-gen NIE Feng JI Lian-min SONG Xue-xue and ZENG Zhong-min |
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| Institution: | Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008,Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008;University of Chinese Academy of Sciences,Beijing,100049,Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008,Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008;University of Chinese Academy of Sciences,Beijing,100049,Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008;University of Chinese Academy of Sciences,Beijing,100049,Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008,Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008,Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008,Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008 and Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,Xining,810008;Qinghai Engineering and Technology Research Center of Salt Lake Resources Development,Xining,810008 |
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| Abstract: | This paper deals with the scientific and technological challenges in developing lithium resources from various brines (Qinghai Salt Lake brine with high Mg/Li, mother liquor of producing Li2CO3 and spent leaching liquor of LiBs)and making clean and value-added use of those resources.Our objectives are to design and synthetize special lithium extractions for lithium separation from various brines, such as amide, phosphate and diketone, and to develop a process tool for extraction separation research.The theories for lithium extraction-in-series from the complex system of various brine will be developed with optimized process flow.This study will break through the global technical challenge of extracting lithium from high Mg/Li brine, and we will obtain world-leading innovative fundamental research results outlining definitive application outlook. These results will lead to economically feasible and new proprietary technologies for recovering high-purity lithium salts, adapting to the Chinese salt lake characteristics. The key process components will be sourced in China to provide scientific evidence of achieving effective, clean and value-added use of the Chinese salt lake resources.The industrial application has shown that the extraction separation from high Mg/Li brine is superior to other existing methods, especially in the area of selective separation of Mg and Li as well as the efficient utilization of resources.Further, this work will drive material research of lithium compounds and industrial innovation.This research will also address the strategy for the lithium resources development from the Qinghai salt lake brine, to enhance international status and competition of our country on Lithium Separation from salt lakes. |
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| Keywords: | Amides Phosphate Diketones Brine with lithium Extraction system |
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