[HTML][HTML] The recent progress of ion exchange for the separation of rare earths from secondary resources–A review

Y El Ouardi, S Virolainen, ESM Mouele, M Laatikainen… - Hydrometallurgy, 2023 - Elsevier
The challenge towards modern technologies has been enquiring and culminating in the
continuously expanding use of rare earth elements (REEs). The non-renewable primary …

Recovery of scandium from various sources: A critical review of the state of the art and future prospects

ABB Junior, DCR Espinosa, J Vaughan… - Minerals Engineering, 2021 - Elsevier
Scandium is a critical metal in increasing demand for modern technologies, such as light-
weight aluminum-scandium alloys. Evaluating current and identifying new sources of the …

Efficient selective extraction of scandium from red mud

W Ding, S Bao, Y Zhang, J Xiao - Mineral Processing and Extractive …, 2023 - Taylor & Francis
The huge reserves of red mud have a significant potential source of scandium. The
scandium can be recovered from red mud by direct acid leaching but the extraction yields …

Advances in bio/chemical approaches for sustainable recycling and recovery of rare earth elements from secondary resources

M Danouche, A Bounaga, A Oulkhir, R Boulif… - Science of The Total …, 2023 - Elsevier
Abstract Rare Earth Elements (REEs) are indispensable in the growing smart technologies,
such as smart phones and electronic devices, renewable energy, new generation of hybrid …

Sulfonic-functionalized algal/PEI beads for scandium, cerium and holmium sorption from aqueous solutions (synthetic and industrial samples)

MF Hamza, KAM Salih, AH Adel, YE Zayed… - Chemical Engineering …, 2021 - Elsevier
The one-pot synthesis of algal biomass/polyethyleneimine beads, AL PEI (electrostatic
interaction followed by calcium ionotropic gelation), produces a stable sorbent whose …

Mining value from waste: Scandium and rare earth elements selective recovery from coal fly ash leach solutions

M Mostajeran, JM Bondy, N Reynier, R Cameron - Minerals Engineering, 2021 - Elsevier
Global demand for rare earth elements (REEs) has been on the rise due to recent rapid
technological advancements. Even though most REEs are mainly recovered from rich ores …

Selective separation of Sc (III) and Zr (IV) from the leaching of bauxite residue using trialkylphosphine acids, tertiary amine, tri-butyl phosphate and their mixtures

ABB Junior, DCR Espinosa, JAS Tenório - Separation and Purification …, 2021 - Elsevier
The separation of scandium from the solution generated in acid leaching is one of the main
challenges for the hydrometallurgical processing of bauxite residue. Several organic …

Selective extraction of rare earth elements from phosphoric acid by ion exchange resins

X Hérès, V Blet, P Di Natale, A Ouaattou, H Mazouz… - Metals, 2018 - mdpi.com
Rare earth elements (REE) are present at low concentrations (hundreds of ppm) in
phosphoric acid solutions produced by the leaching of phosphate ores by sulfuric acid. The …

Adsorption of lanthanum and cerium on chelating ion exchange resins: kinetic and thermodynamic studies

AB Botelho Junior, EF Pinheiro… - Separation Science …, 2022 - Taylor & Francis
As the demand for rare earth elements (REE) increases in the coming years, techniques to
obtain these elements from different sources may be explored. A hydrometallurgical route …

Process evaluation of scandium production and its environmental impact

A Ghosh, S Dhiman, A Gupta, R Jain - Environments, 2022 - mdpi.com
With the advancement of technology and a global shift towards clean energy, the need for
rare earth metals is increasing. Scandium, a rare earth metal, has been extensively used …