Extraction and separation of heavy rare earth elements: A review

T Liu, J Chen - Separation and Purification Technology, 2021 - Elsevier
Heavy rare earth elements (HREEs) containing Gd to Lu plus Y have a series of unique
physicochemical properties which endow them critical resources in many fields such as high …

[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 …

Cell-wall based aerogels for Ce (III) adsorption from leaching tailings: Properties and mechanistic research

H Zhao, H Yao, F Zhao, L Yang, L Wu, X Liang… - Chemical Engineering …, 2023 - Elsevier
Efficient separation of rare earth elements (REEs) from leaching tailings is necessary for
environmental protection and full utilization of resources. Cell walls are rich in various active …

A comprehensive review on solvent extraction technologies of rare earth elements from different acidic media: Current challenges and future perspectives

A Merroune, JA Brahim, M Berrada… - Journal of Industrial and …, 2024 - Elsevier
Rare earth elements (REEs) have gained global attention as strategic compounds for the
transition to a green and sustainable economy due to their exceptional physicochemical …

Further improvement for separation of heavy rare earths by mixtures of acidic organophosphorus extractants

T Liu, J Chen, H Li, K Li, D Li - Hydrometallurgy, 2019 - Elsevier
This work aims to improve the extraction performance of organophosphorus acid extractants
(di-(2-ethylhexyl) phosphoric acid (P204), 2-ethylhexyl phosphoric acid mono-2-ethylhexyl …

Synthesis of new extractant P113 for cerium (IV) extraction and higher separation over thorium from bastnaesite

M Liu, D Zou, D Yu, S **ang, Y Deng, J Chen… - Separation and …, 2023 - Elsevier
Cyanex923 (a mixture of four trialkyl (hexyl and octyl) phosphine oxides) has been
extensively employed in the recovery of cerium (Ce (IV)) and fluorine (F), as well as the …

Effective separation of V (IV) and Fe (III) from sulfuric acid solution by solvent extraction with P507 and N235

X Zhu, Y Liu, C Ma, W Li - Hydrometallurgy, 2024 - Elsevier
A selective and highly effective method is proposed for the extraction and separation of V
(IV) and Fe (III) using the trioctyl tertiary amine (N235) and 2-ethylhexyl hydrogen-2 …

A novel neutral-base coupling synergistic extraction system of Cyanex923 and primary amine N1923 for the recovery of cerium (IV) and fluorine from sulfuric acid …

Y Yan, J Chen, K Li, D Zou, Y Deng, D Li - Separation and Purification …, 2021 - Elsevier
Cyanex923 (A) and primary amine N1923 (B) mixture was developed as a novel neutral-
base coupling extraction system for the recovery of cerium (IV)(Ce (IV)) and fluorine (F−) …

Sustainable Selective Recovery of Sulfuric Acid and Vanadium from Acidic Wastewater with Two-Step Solvent Extraction

X Zhu, C Ma, W Li - ACS omega, 2023 - ACS Publications
A two-stage extraction process was proposed to recover sulfuric acid and vanadium from
simulated acid solution and titanium dioxide waste acid (TDWA). Some extractants were …

A novel extractant bis (2-ethylhexyl)((2-ethylhexylamino) methyl) phosphine oxide for cerium (IV) extraction and separation from sulfate medium

M Huang, Y Fu, Y Lu, W Liao, Z Li - Journal of Rare Earths, 2020 - Elsevier
By introducing the amine group into phosphorus extractant, a novel aminophosphine
compound bis (2-ethylhexyl)((2-ethylhexylamino) methyl) phosphine oxide (DEHAPO …