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Extraction of rubidium and cesium from brine solutions using a room temperature ionic liquid system containing 18-crown-6
Huang, Dongfang1,2,3; Zheng, Hong4; Liu, Zeyu1,2,3; Bao, Amin1,2,3; Li, Bo1,2
2018-06-01
发表期刊POLISH JOURNAL OF CHEMICAL TECHNOLOGY
卷号20期号:2页码:40-46
文章类型Article
摘要Application 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.
关键词Rubidium Cesium Ionic Liquid 18-crown-6 Solvent Extraction
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]SALT LAKE BRINE ; SOLVENT-EXTRACTION ; ADSORPTION ; DICYCLOHEXANO-18-CROWN-6 ; STRONTIUM ; NITRATE ; CS+
收录类别SCI
语种英语
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Applied ; Engineering, Chemical
WOS记录号WOS:000440055700006
出版者DE GRUYTER POLAND SP ZOO
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6683
专题中国科学院青海盐湖研究所
通讯作者Zheng, Hong
作者单位1.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
2.Qinghai Engn & Technol Res Ctr Comprehens Utiliza, Xining 810008, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chongqing Normal Univ, Dept Chem, Chongqing 400047, Peoples R China
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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,2018,20(2):40-46.
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,20(2),40-46.
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 20.2(2018):40-46.
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