用 4-[(己基硫)甲基]-3,5-二甲基-1-苯基-1H-吡唑从模拟硝酸盐-亚硝酸盐 PUREX 工艺糠酸盐中萃取回收钯（II）并提高其浓度

IF 0.6 4区化学 Q4 CHEMISTRY, APPLIED

Russian Journal of Applied Chemistry Pub Date : 2024-04-23 DOI:10.1134/S1070427223080013

G. R. Anpilogova, L. A. Baeva, R. M. Nugumanov

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引用次数: 0

摘要

摘要研究了使用高效萃取剂 4-[（己基硫酰）甲基]-3,5-二甲基-1-苯基-1H-吡唑（氯仿作为稀释剂）从模拟硝酸盐-亚硝酸盐 PUREX 工艺废液中回收和浓缩钯（II）的可能性。0.10 M 的萃取剂溶液可快速（5 分钟内）完全回收钯（II），其在有机相中的预浓缩倍数为 10 倍，并与铁（III）、镨（III）和镍（II）高度选择性地分离。用 2 M NH4OH + 10 g L-1 NH4NO3 溶液对萃取的 Pd(II) 和共萃取的 Ag(I) 进行剥离，剥离率分别超过 99.9% 和 97.1%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Extractive Recovery and Сoncentration of Palladium(II) from Simulated Nitrate–Nitrite PUREX Process Raffinate with 4-[(Hexylsulfanyl)methyl]-3,5-dimethyl-1-phenyl-1H-pyrazole

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Extractive Recovery and Сoncentration of Palladium(II) from Simulated Nitrate–Nitrite PUREX Process Raffinate with 4-[(Hexylsulfanyl)methyl]-3,5-dimethyl-1-phenyl-1H-pyrazole

The possibility of recovering and concentrating Pd(II) from simulated nitrate–nitrite PUREX process raffinate with a highly effective extractant, 4-[(hexylsulfanyl)methyl]-3,5-dimethyl-1-phenyl-1H-pyrazole (chloroform as a diluent), was examined. The 0.10 M extractant solution rapidly (within 5 min) and completely recovers Pd(II) with its tenfold preconcentration in the organic phase and highly selective separation from Fe(III), Pr(III), and Ni(II). The extracted Pd(II) and coextracted Ag(I) are stripped with a 2 M NH₄OH + 10 g L^–1 NH₄NO₃ solution to more than 99.9 and to 97.1%, respectively.

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来源期刊

Russian Journal of Applied Chemistry 化学-应用化学

CiteScore

1.60

自引率

11.10%

发文量

审稿时长

2-4 weeks

期刊介绍： Russian Journal of Applied Chemistry (Zhurnal prikladnoi khimii) was founded in 1928. It covers all application problems of modern chemistry, including the structure of inorganic and organic compounds, kinetics and mechanisms of chemical reactions, problems of chemical processes and apparatus, borderline problems of chemistry, and applied research.