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

IF 1.5 4区工程技术 Q3 METALLURGY & METALLURGICAL ENGINEERING Mining, Metallurgy & Exploration 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

Mining, Metallurgy & Exploration Materials Science-Materials Chemistry

CiteScore

3.50

自引率

10.50%

发文量

177

期刊介绍： The aim of this international peer-reviewed journal of the Society for Mining, Metallurgy & Exploration (SME) is to provide a broad-based forum for the exchange of real-world and theoretical knowledge from academia, government and industry that is pertinent to mining, mineral/metallurgical processing, exploration and other fields served by the Society. The journal publishes high-quality original research publications, in-depth special review articles, reviews of state-of-the-art and innovative technologies and industry methodologies, communications of work of topical and emerging interest, and other works that enhance understanding on both the fundamental and practical levels.