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Extraction of rubidium and cesium from brine solutions using a room temperature ionic liquid system containing 18-crown-6
Huang, Dongfang ; Zheng, Hong ; Liu, Zeyu ; Bao, Amin ; Li, Bo
2018-06-01
Source PublicationPOLISH JOURNAL OF CHEMICAL TECHNOLOGY
AbstractApplication of 1-butyl-3-metyhlimidazaolium hexafl uorophosphate ([C4mim][PF6]), in the extraction of rubidium and cesium from brine solutions using 1,4,7,10,13,16-hexaoxacyclooctadecane (18C6) as extractant was investigated. Parameters that affect the extraction including pH of aqueous phase, equilibration time, dosage of the ionic liquid, phase ratio, concentration of 18C6 were studied. Under the optimal conditions, the single extraction effi ciency of rubidium ions and cesium ions were up 84.11% and 94.99%, respectively. The stripping of alkali metal ions from the loaded organic phase with different stripping agents and concentrations were also investigated. The initial value of the K/Cs and K/Rb ratios were 93.0 and 104.3, respectively, which have dropped 91.21% and 88.01%, respectively, after the extraction and stripping experiments. It was taken a big step in the separation and enrichment of cesium (rubidium) ion and potassium ion. The extraction mechanism was revealed most likely to be a cation exchange mode in this system.
PublisherDE GRUYTER POLAND SP ZOO
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6951
Collection中国科学院青海盐湖研究所
Recommended Citation
GB/T 7714
Huang, Dongfang,Zheng, Hong,Liu, Zeyu,et al. Extraction of rubidium and cesium from brine solutions using a room temperature ionic liquid system containing 18-crown-6[J]. POLISH JOURNAL OF CHEMICAL TECHNOLOGY,2018.
APA Huang, Dongfang,Zheng, Hong,Liu, Zeyu,Bao, Amin,&Li, Bo.(2018).Extraction of rubidium and cesium from brine solutions using a room temperature ionic liquid system containing 18-crown-6.POLISH JOURNAL OF CHEMICAL TECHNOLOGY.
MLA Huang, Dongfang,et al."Extraction of rubidium and cesium from brine solutions using a room temperature ionic liquid system containing 18-crown-6".POLISH JOURNAL OF CHEMICAL TECHNOLOGY (2018).
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