Highly Selective Recovery of Lanthanides by Using a Layered Vanadate with Acid and Radiation Resistance

Sun, Heng Hu; Liu, Yang; Lin, Jian; Yue, Zenghui; Li, Weian; Jin, Jiance; Sun, Qian; Ai, Yuejie; Feng, Mei‐Ling; Huang, Xiao‐Ying

doi:10.1002/ange.201912040

“…However, some metals can be recovered from various othe such as waste from the mining industry, electronic waste, radioactive nucle seawater, and other sources. For instance, radioactive nuclear waste has bee associated with lanthanides and actinides, which are critical for the modern e Nonetheless, due to the risks of radioactive REEs, it is essential to extract th wastewater for radionuclide recovery [50]. There are also other wastes from th industry containing both valuable and harmful metals.…”

Section: Recovery Of the Metalsmentioning

confidence: 99%

“…For instance, radioactive nuclear waste has been widely associated with lanthanides and actinides, which are critical for the modern economy. Nonetheless, due to the risks of radioactive REEs, it is essential to extract them from wastewater for radionuclide recovery [50]. There are also other wastes from the mining industry containing both valuable and harmful metals.…”

Section: Recovery Of the Metalsmentioning

confidence: 99%

The State of Critical and Strategic Metals Recovery and the Role of Nuclear Techniques in the Separation Technologies Development: Review

Kiprono

¹

,

Smoliński

²

,

Rogowski

³

et al. 2023

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The extraction of useful minerals or geological materials from the Earth’s crust, most typically from various sources, is crucial to a country’s development and progress. Mineral-rich countries use these resources to transform their economies and propel them toward long-term prosperity. There is an urgent need for the world to increase mineral exploration efforts, improve the recycling of important metal-containing resources, and extract them using upgraded hydrometallurgical procedures with high recovery efficiency. This review paper highlights the importance of strategic and critical metals in the economy and the role of nuclear techniques in the analysis, process optimization, and remediation of metals using solvent extraction, adsorption, and chromatographic resins. Radiotracer analysis, X-Ray Fluorescence spectrometry (XRF), Neutron Activation Analysis (NAA), and X-Ray Diffraction (XRD) are appropriate for improving laboratory-based hydrometallurgical processes, with future technical and economic benefits. The development and installation of novel instruments to provide the real-time control of mining and mineral processing plants for improved control have the potential to aid in the recovery of a broad range of metals.

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Giant Polyoxoniobate‐Based Inorganic Molecular Tweezers: Metal Recognitions, Ion‐Exchange Interactions and Mechanism Studies

Wu

¹

,

Guo

²

,

Lai

³

et al. 2023

Angewandte Chemie

0

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This work reports the interesting and unique cation-exchange behaviors of the first indium-bridged purely inorganic 3D framework based on high-nuclearity polyoxoniobates as building units. Each nanoscale polyoxoniobate features a fascinating near-icosahedral core-shell structure with six pairs of unique inorganic "molecular tweezers" that have changeable openings for binding different metal cations via ion-exchanges and exhibit unusual selective metal-uptake behaviors. Further, the material has high chemical stability so that can undergo single-crystal-to-single-crystal metal-exchange processes to produce a dozen new crystals with high crystallinity. Based on these crystals and time-dependent metal-exchange experiments, we can visually reveal the detailed metal-exchange interactions and mechanisms of the material at the atomic precision level. This work demonstrates a rare systematic and atomic-level study on the ion-exchange properties of nanoclusters, which is of significance for the exploration of cluster-based ionexchange materials that are still to be developed.

show abstract

Giant Polyoxoniobate‐Based Inorganic Molecular Tweezers: Metal Recognitions, Ion‐Exchange Interactions and Mechanism Studies

Wu

¹

,

Guo

²

,

Lai

³

et al. 2023

View full text Add to dashboard Cite

This work reports the interesting and unique cation-exchange behaviors of the first indium-bridged purely inorganic 3D framework based on high-nuclearity polyoxoniobates as building units. Each nanoscale polyoxoniobate features a fascinating near-icosahedral core-shell structure with six pairs of unique inorganic "molecular tweezers" that have changeable openings for binding different metal cations via ion-exchanges and exhibit unusual selective metal-uptake behaviors. Further, the material has high chemical stability so that can undergo single-crystal-to-single-crystal metal-exchange processes to produce a dozen new crystals with high crystallinity. Based on these crystals and time-dependent metal-exchange experiments, we can visually reveal the detailed metal-exchange interactions and mechanisms of the material at the atomic precision level. This work demonstrates a rare systematic and atomic-level study on the ion-exchange properties of nanoclusters, which is of significance for the exploration of cluster-based ionexchange materials that are still to be developed.

show abstract

Highly Selective Recovery of Lanthanides by Using a Layered Vanadate with Acid and Radiation Resistance

Cited by 3 publications

References 50 publications

The State of Critical and Strategic Metals Recovery and the Role of Nuclear Techniques in the Separation Technologies Development: Review

The State of Critical and Strategic Metals Recovery and the Role of Nuclear Techniques in the Separation Technologies Development: Review

Giant Polyoxoniobate‐Based Inorganic Molecular Tweezers: Metal Recognitions, Ion‐Exchange Interactions and Mechanism Studies

Giant Polyoxoniobate‐Based Inorganic Molecular Tweezers: Metal Recognitions, Ion‐Exchange Interactions and Mechanism Studies

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