Size-dependent selective crystallization using an inorganic mixed-oxoanion system for lanthanide separation

Huangjie Lu; Xiaojing Guo; Yaxing Wang; Kariem Diefenbach; Lanhua Chen; Jian-Qiang Wang; Jian Lin; Shuao Wang

doi:10.1039/C9DT02387A

Size-dependent selective crystallization using an inorganic mixed-oxoanion system for lanthanide separation†

Huangjie Lu,

‡^ab Xiaojing Guo,‡^ac Yaxing Wang,^d Kariem Diefenbach,§^a Lanhua Chen,^d Jian-Qiang Wang,

^a Jian Lin

*^a and Shuao Wang

*^d

Author affiliations

* Corresponding authors

^a Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 2019 Jia Luo Road, Shanghai 201800, China
E-mail: linjian@sinap.ac.cn

^b University of Chinese Academy of Sciences, 2019 Jia Luo Road, Shanghai 201800, China

^c The Education Ministry Key Laboratory of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Department of Chemistry and Chemical Engineering, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, China

^d School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren'ai Road, Suzhou 215123, China
E-mail: shuaowang@suda.edu.cn

Abstract

A unique selective crystallization strategy based on an iodate–sulfate mixed-anion system has been developed for lanthanide separation. Periodic divergences in crystal formation energy enable simple Nd/Dy, La/Lu, Gd/Tb, La/Dy, and Nd/Lu separations through crystallization of the early lanthanides, giving rise to separation factors up to 123(5), 100(2), 2.4(2), 137(9), and 85(6), respectively.

This article is part of the themed collection: Inorganic chemistry approaches to saving critical elements: Recovery, Reuse and Recycling

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DOI: https://doi.org/10.1039/C9DT02387A
Article type: Communication
Submitted: 06 Jun 2019
Accepted: 18 Jul 2019
First published: 19 Jul 2019

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Dalton Trans., 2019,48, 12808-12811

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Size-dependent selective crystallization using an inorganic mixed-oxoanion system for lanthanide separation

H. Lu, X. Guo, Y. Wang, K. Diefenbach, L. Chen, J. Wang, J. Lin and S. Wang, Dalton Trans., 2019, 48, 12808 DOI: 10.1039/C9DT02387A

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Dalton Transactions

Size-dependent selective crystallization using an inorganic mixed-oxoanion system for lanthanide separation†

Abstract

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Size-dependent selective crystallization using an inorganic mixed-oxoanion system for lanthanide separation

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