使用 Cyanex 302 和 Cyanex 572 从硝酸介质中提取铈

Journal of Mineral and Material Science (JMMS) Pub Date : 2023-12-01 DOI:10.54026/jmms/1073

Bahram Rezai,

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引用次数: 0

摘要

本文采用混合溶剂萃取法对合成环境([Ce]=0.04 M)中铈的萃取进行了研究。考虑到萃取剂的协同作用可以提高铈的萃取效果，采用cyanex302溶剂与cyanex572溶剂协同作用。结果表明，Cyanex 572-Cyanex 302组合可获得较高的铈提取率(> 90%)。同时，ΔG = 18.61 (kJ/mol)，表明Ce (III)的萃取反应是非自发的。

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Extraction of Cerium from Nitric Acid Medium using Cyanex 302 and Cyanex 572

In this paper, the extraction of cerium from the synthetic environment ([Ce]=0.04 M) was investigated using the solvent extraction method with a mixture of solvents. Considering that the synergy of extractants can lead to the improvement of cerium extraction, Cyanex 302 solvent was used for synergy with Cyanex 572. The results showed that the combination of Cyanex 572-Cyanex 302 can extract a high percentage of cerium (> 90%). Also, the value of ΔG is equal to 18.61 (kJ/mol), so the extraction reaction of Ce (III) is non-spontaneous.

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Journal of Mineral and Material Science (JMMS)

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