Advances in Understanding of the Application of Unit Operations in metallurgy of rare earth elements

S Stopic, B Friedrich - Metals, 2021 - mdpi.com
Unit operations (UO) are mostly used in non-ferrous extractive metallurgy (NFEM) and
usually separated into three categories:(1) hydrometallurgy (leaching under atmospheric …

NdFeB magnets recycling process: An alternative method to produce mixed rare earth oxide from Scrap NdFeB magnets

EE Kaya, O Kaya, S Stopic, S Gürmen, B Friedrich - Metals, 2021 - mdpi.com
Neodymium iron boron magnets (NdFeB) play a critical role in various technological
applications due to their outstanding magnetic properties, such as high maximum energy …

Efficient and clean release of uranium and zirconium in hazardous uranium purification waste by combined alkali decomposition and acid leaching process

S Fan, Q Xin, Y Zhang, X Zhao, X Liu, X Hao… - Journal of …, 2023 - Elsevier
Large amount of hazardous waste generated by the uranium purification process poses a
potential threat to the environment. However, it also contains valuable metals like uranium …

Recycling strategies for ceramic all-solid-state batteries—part I: study on possible treatments in contrast to Li-ion battery recycling

L Schwich, M Küpers, M Finsterbusch, A Schreiber… - Metals, 2020 - mdpi.com
In the coming years, the demand for safe electrical energy storage devices with high energy
density will increase drastically due to the electrification of the transportation sector and the …

Spectrophotometric determination of Zr (IV), Hg (II) and U (VI) in solution with their analytical applications: Structural characterization and molecular docking of the …

WH El-Shwiniy, SI El-Desoky, A Alrabie… - … Acta Part A: Molecular …, 2022 - Elsevier
Spectrophotometry was used to determine trace amounts of Zirconium (IV), Mercury (II) and
Uranium (VI) in environmental, biological, pharmaceutical and industrial samples. The …

Zirconium preconcentration from zircon raffinate using gamma radiation–induced polymerization of reduced graphene oxide composite

AH Ali, SM Abdo, GARS Dakroury - Environmental Science and Pollution …, 2023 - Springer
Zirconium is commonly used as a cladding material for nuclear reactors. The purity of the
zirconium material seeks to control reactor efficiency. A novel composite of reduced …

Hydrometallurgical recycling of copper anode furnace dust for a complete recovery of metal values

D Oráč, J Klimko, D Klein, J Pirošková, P Liptai, T Vindt… - Metals, 2021 - mdpi.com
Copper anode furnace dust is waste by-product of secondary copper production containing
zinc, lead, copper, tin, iron and many other elements. Hydrometallurgical Copper Anode …

Nanostructured layered double hydroxide (NLDH)–Zn/Al-based materials: strategy to improve performance for zirconium sorption from acidic sulfate solution

AM Masoud, AE Mubark, MH Taha, S Ibrahim - RSC advances, 2024 - pubs.rsc.org
Zirconium is a highly stable radionuclide commonly used in various nuclear operations.
However, removing zirconium from wastewater streams is crucial to protect the environment …

Separation of Hf (IV) from Zr (IV) in thiocyanate medium with ionic liquid Aliquat 336

M Wu, P Dong, C Wu, Z Zhang, R Chi, Z Xu - Hydrometallurgy, 2022 - Elsevier
Solvent extraction is the key technical link for the preparation of nuclear-grade Hf and Zr for
advanced nuclear reactors. In this study, the separation of Hf (IV) over Zr (IV) from the highly …

A New Partially Phosphorylated Polyvinyl Phosphate-PPVP Composite: Synthesis and Its Potentiality for Zr (IV) Extraction from an Acidic Medium

A Ene, HMH Zakaly, AR Salem, AA Gouda… - Separations, 2022 - mdpi.com
A newly synthesized partially phosphorylated polyvinyl phosphate derivative (PPVP) was
functionalized to extract Zirconium (IV) from Egyptian zircon sand. The specifications for the …