从埃及东尼罗河谷El-Sibaiya东部地区的磷矿浸出液中提取铀

IF 1.6 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-07-31 DOI:10.1007/s10967-025-10285-x

Mahmoud O. Abd El-Magied, Nilly A. Kawady, Hend M. Salem, Eman S. Abd El-Halim

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引用次数: 0

摘要

研究了用安伯利特IRA-458离子交换树脂从磷矿浸出液中提取铀的效果。从平衡、动力学和辐射危害指数等方面对提取过程进行了评价。该工艺对铀的吸附速度快，吸附量高（可达63.85 mg/g），符合Langmuir和Dubinin-Radushkevich等温线模型，呈现单层化学吸附。这些结果表明该树脂适合从酸性硫酸盐介质中回收铀，为磷矿资源的利用提供了一条有希望的途径。

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Uranium extraction from phosphorites leach liquor, El-Sibaiya East area, East Nile Valley, Egypt

This study shows the effective extraction of uranium from phosphorites leach liquor using Amberlite IRA-458 ion exchange resin. The study evaluates the extraction process from the points of view of equilibrium, kinetics, and radiative hazard indices. The process showed rapid uranium uptake and high adsorption capacity (up to 63.85 mg/g) and followed the Langmuir and Dubinin–Radushkevich isotherm models, showing mono-layer chemisorption. These results underline the resin’s suitability for uranium recovery from acidic sulfate media, offering a promising route for phosphorite resource use.

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.