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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
Source PublicationPOLISH JOURNAL OF CHEMICAL TECHNOLOGY
Volume20Issue:2Pages:40-46
SubtypeArticle
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.
KeywordRubidium Cesium Ionic Liquid 18-crown-6 Solvent Extraction
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS KeywordSALT LAKE BRINE ; SOLVENT-EXTRACTION ; ADSORPTION ; DICYCLOHEXANO-18-CROWN-6 ; STRONTIUM ; NITRATE ; CS+
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Applied ; Engineering, Chemical
WOS IDWOS:000440055700006
PublisherDE GRUYTER POLAND SP ZOO
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6683
Collection中国科学院青海盐湖研究所
Corresponding AuthorZheng, Hong
Affiliation1.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
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,2018,20(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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