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  5. Lithium isotope separation by solvent extraction using ionic liquid system containing benzo-15-crown

Lithium isotope separation by solvent extraction using ionic liquid system containing benzo-15-crown

来源 :第五届亚太离子液体与绿色过程会议(The 5 th Asian-Pacific Conference on Ionic | 被引量 : 0次 | 上传用户：deng15088151952
【摘 要】
：
In this paper,a novel extraction system was investigated for the selective separation of lithium isotopes using ionic liquid(IL)and chloroform as extraction solvent and benzo-15-crown-5(B15C5)as extra
【作 者】
：
Chenglong Shi Yongzhong Jia Jiang Xiao Xingquan Wang Ying Yao Su Wang Yan Jing 
【机 构】
：
Qinghai Institute of Salt Lakes,Chinese Academy of Sciences,810008,Xining,China;Key Laboratory of Co
【出 处】
：
第五届亚太离子液体与绿色过程会议(The 5 th Asian-Pacific Conference on Ionic
【发表日期】
：
2016年10期
【关键词】
：
Lithium isotopes Solvent extraction Ionic liquid 
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　　In this paper,a novel extraction system was investigated for the selective separation of lithium isotopes using ionic liquid(IL)and chloroform as extraction solvent and benzo-15-crown-5(B15C5)as extractant.Results showed that the separation performance of B15C5 was improved after the IL was involved in the extraction process.The extraction efficiencies and separation factors of the lithium isotope increased with increase the number of stages.The light lithium isotope 6Li and the heavy lithium isotope 7Li were concentrated in organic phase and solution phase,respectively.
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