Solvent Extraction of Tungsten(VI) from Moderate Hydrochloric Acid Solutions with LIX 63

被引：2
|
作者：
Truong, Hoai Thanh [1 ]
Kim, Yong Hwan [2 ]
Lee, Man Seung [1 ]
机构：
[1] Mokpo Natl Univ, Inst Rare Met, Dept Adv Mat Sci & Engn, Jeollanamdo 58554, South Korea
[2] Korea Inst Ind Technol, Incheon Technol Serv Ctr, Incheon 21999, South Korea
来源：
KOREAN JOURNAL OF METALS AND MATERIALS | 2017年 / 55卷 / 06期
关键词：
solvent extraction; ion exchange; tungsten; hydrochloric acid; LIX; 63; SEPARATION; MOLYBDENUM; VANADIUM; RECOVERY; MIXTURE; ZR;
D O I：
10.3365/KJMM.2017.55.6.405
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The solvent extraction of tungsten(VI) from hydrochloric acid solutions using 5,8-diethyl7-hydroxydodecan-6-one oxime (LIX 63) was analyzed in solutions having an initial pH range from 2 to 5, by varying the concentration of metal and extractant. In our experimental range, the cationic exchange reaction as well as the solvation reaction occurred simultaneously. The cation exchange reaction was identified by applying a slope analysis method to the extraction data. The existence of cationic tungsten(VI) species was confirmed by ion exchange experiments with Diphonix resin at pH 3. Further study is needed to identify the nature of this tungsten cationic species.
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页码：405 / 411
页数：7
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