用氰基272和p507萃取剂萃取中重稀土基团

Izvestiâ Sankt-Peterburgskogo gosudarstvennogo tehnologičeskogo instituta (tehničeskogo universiteta) Pub Date : 2023-01-01 DOI:10.36807/1998-9849-2023-66-92-35-40

Ilya A. Yakimenko, Bogdan A. Sidorov, Mikhail A. Afonin

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引用次数: 0

摘要

以异辛醇为15%的异辛醇和异辛醇l为稀释剂，以Cyanex 272和P507为萃取剂，测定了稀土元素(REE)的分布系数和分离系数。在萃取剂浓度为10%、20%、30%和40% wt.%的稀释剂下进行了一系列实验。在此基础上，构建了提取等温线，并建立了分布系数和分离因子的图形依赖关系

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EXTRACTION OF MEDIUM-HEAVY REE GROUP WITH AN EXTRACTANT BASED ON CYANEX 272 AND P507

Distribution coefficients and separation factors of rare earth elements (REE) were determined during extraction with an extractant based on Cyanex 272 and P507 in a diluent of 15% isooctanol in isopar L. Aqueous solutions of medium-heavy lanthanide chlorides were studied at their concentration in a solution of 0.05-0.9 g/dm3. A series of experiments were carried out with the concentration of the extractant in a diluent of 10, 20, 30 and 40 wt.%. Based on the data obtained, extraction isotherms were constructed, as well as graphical dependences of the distribution coefficients and separation factors

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Izvestiâ Sankt-Peterburgskogo gosudarstvennogo tehnologičeskogo instituta (tehničeskogo universiteta)

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