Studies for Extraction and Separation of Rare Earth Elements by Adsorption from Wastewater: A Review

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-04-03 DOI:10.1007/s42461-024-00974-8

Amru Daulay, Lukman Hakim Nasution, Widi Astuti, Fika Rofiek Mufakhir, Slamet Sumardi, Hendra Prasetia

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Abstract

Rare earth elements (REEs) are utilized in numerous disciplines, including chemical engineering, the nuclear industry, metallurgy, medicine, electronics, and computer technology. Recycling products containing and extracting them from effluent is necessary to satisfy the rising demand for these elements. Some studies investigate the adsorption of rare earth elements from dilute aqueous solutions to remove them from effluent. Based on the results of this study, it can be concluded that lab tests demonstrate high adsorption capacities, which vary widely depending on the adsorption type and conditions. The Langmuir, Freundlich, and Temkin isotherms usually describe adsorption isotherms. In addition, the finest models for describing adsorption kinetics are pseudo-second-order and pseudo-first-order models. The thermodynamic parameters, such as the changes in free energy, enthalpy, and entropy, provide additional information regarding the energy changes. Additional research is required to develop environmentally friendly adsorbents that can be used to remove REEs from actual mine wastewater.

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通过吸附从废水中提取和分离稀土元素的研究：综述

稀土元素 (REE) 广泛应用于化学工程、核工业、冶金、医药、电子和计算机技术等领域。为了满足对稀土元素日益增长的需求，有必要回收含有稀土元素的产品并从废水中提取稀土元素。一些研究调查了稀土元素在稀水溶液中的吸附情况，以从污水中去除稀土元素。根据这项研究的结果，可以得出这样的结论：实验室测试显示了很高的吸附能力，但根据吸附类型和条件的不同，吸附能力也有很大差异。Langmuir、Freundlich 和 Temkin 等温线通常用来描述吸附等温线。此外，描述吸附动力学的最佳模型是伪二阶模型和伪一阶模型。热力学参数，如自由能、焓和熵的变化，提供了有关能量变化的更多信息。要开发可用于去除实际矿山废水中的 REEs 的环境友好型吸附剂，还需要进行更多的研究。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.