期刊
JOURNAL OF SUSTAINABLE METALLURGY
卷 8, 期 3, 页码 1215-1224出版社
SPRINGER
DOI: 10.1007/s40831-022-00560-6
关键词
Flat-sheet supported liquid membrane; Solvent extraction; Neodymium(III); Lanthanum(III); EHEHPA
资金
- Office of Energy Research and Development (OERD) of Natural Resources Canada
This study tested an effective and efficient extraction and separation method for Nd/La using a flat-sheet supported liquid membrane. The results showed that the extraction of La and Nd increased with an increase in the initial pH of the feed solution and P507 concentration. The maximum separation factor of 44.25 was achieved at a low P507 concentration of 5% (v/v).
This work tested an effective and efficient Nd/La extraction and separation via flat-sheet supported liquid membrane. A microporous polypropylene film was used as the solid support for the liquid membrane and P507 as the extractant. The effect of Nd(III) and La(III) concentration in the feed, the concentration of P507, and acid solution concentration in the stripping phase on Nd and La extraction and separation were studied. The results suggest the extraction of La and Nd increases with the initial pH of the feed solution and P507 concentration. Maximum separation factor of 44.25 was obtained at the low P507 concentration of 5% (v/v).
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