用溶于正庚烷的深共晶溶剂作为萃取剂从水介质中萃取金（III）、铂（IV）和钯（II）

IF 1 Q4 CHEMISTRY, MULTIDISCIPLINARY

Indonesian Journal of Chemistry Pub Date : 2023-12-06 DOI:10.22146/ijc.80862

P. D. Ola, Michiaki Matsumoto

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引用次数: 0

摘要

由于金、铂、钯等贵金属的稀缺性，研究贵金属的提取至关重要。溶剂萃取法因其简单快捷、操作成本低而成为公认的方法之一。本研究采用癸酸和利多卡因摩尔比为 2:1 的深共晶溶剂（DES）作为萃取剂，从水介质中萃取金（III）、铂（IV）和钯（II）。Au(III)以 AuCl3 的形式被 DES 溶解和萃取。Pd(II) 是通过 Pd2+ 和 H+ 之间的阳离子交换反应萃取的。使用 500 克/升和 300 克/升的 DES 可分别完全萃取 98.2% 的 Au(III)和 100% 的 Pd(II)。这一发现为使用环保且廉价的萃取剂提高金（III）和钯（II）的萃取率提供了新的机遇。

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Extraction of Au(III), Pt(IV), and Pd(II) from Aqueous Media with Deep Eutectic Solvent Dissolved in n-Heptane as Extractant

Due to the scarcity, studying precious metals extraction such as gold, platinum, and palladium is very critical. Solvent extraction is one of the established methods due to its simplicity and quickness but the low operational cost. In this study, a deep eutectic solvent (DES) consisting of decanoic acid and lidocaine in the molar ratio of 2:1 was applied as an extractant to extract Au(III), Pt(IV), and Pd(II) from aqueous media. Au(III) was solvated and extracted with DES in the form of AuCl3. Pd(II) was extracted by the cation exchange reaction between Pd2+ and H+. Complete extraction of Au(III) 98.2% and Pd(II) 100% can be achieved using 500 and 300 g/L DES, respectively. This finding opens new opportunities for improving Au(III) and Pd(II) extraction using an environmental friendly and inexpensive extractant.

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来源期刊

Indonesian Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

2.30

自引率

11.10%

发文量

106

审稿时长

15 weeks

期刊介绍： Indonesian Journal of Chemistry is a peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of chemistry, including educational chemistry, applied chemistry, and chemical engineering.