A review on extractive metallurgy of tantalum and niobium

A Shikika, M Sethurajan, F Muvundja… - Hydrometallurgy, 2020 - Elsevier
On-going technological developments, especially in the field of microelectronics and
communication have reflected in concomitant increase in the demand for strategic metals …

Extractive metallurgy of columbite-tantalite ore: A detailed review

DK Rajak, R Jordaan, A Gómez-Arias, W Purcell - Minerals Engineering, 2022 - Elsevier
The increased demand of metals such as tantalum (Ta) and niobium (Nb) reflect the on-
going development in modern science, engineering and technology. The extraction of these …

Process applications and challenges in mineral beneficiation and recovery of niobium from ore deposits–A review

NS Nzeh, S Adeosun, AP Popoola… - Mineral Processing …, 2022 - Taylor & Francis
Recent technological and industrial developments in applications of Nb as well as its
demand by aviation, communication, electronics, atomic and nuclear energy, metallurgical …

[PDF][PDF] Production of niobium: overview of processes from the mine to products

NPHP Do, MC Cury, MRG Pointer… - Journal of Mining and …, 2022 - researchgate.net
A number of industrial and technology sectors have been paying attention to a particular
chemical element in recent years, namely niobium (Nb). There are many niobium deposits …

DFT modelling of tantalum pentafluoride extraction with phosphorus-based extractants–A molecular dynamics study

MJ Ungerer, C Van Sittert… - Journal of Physics and …, 2019 - Elsevier
Solvent extraction (SX) is a powerful method for both the separation and extraction of metals,
resulting in high purity metals. The transition metals tantalum (Ta) and niobium (Nb) are of …

Comparison of niobium-93m results obtained by two independent destructive analytical procedures and measured by low energy gamma spectrometry and liquid …

L Dobrev, D Dimitrov, M Mitev, T Nonova… - … of Radioanalytical and …, 2024 - Springer
This article presents two newly developed radiochemical procedures for the destructive
analysis of niobium plates irradiated in the core of water-water energetic nuclear reactor …

Green extraction of niobium and tantalum from Kenticha tantalite ore using 1-ethyl-3-methyl imidazolium chloride ionic liquid

GG Berhe, A Velázquez Del Rosario… - Journal of Mining …, 2018 - jme.shahroodut.ac.ir
The decomposition of the Ethiopian Kenticha tantalite ore was studied using the KOH fusion
and H2O leaching system at 400 0C for a 1 h reaction time. The experimental results …

Sublimation kinetics of zirconium tetrafluoride

CJ Pretorius, AD Pienaar, PL Crouse… - Advanced Materials …, 2014 - Trans Tech Publ
An important step of a new process being developed for the beneficiation of the mineral
zircon (Zr (Hf) SiO4) to produce nuclear grade zirconium (Zr) metal, is the separation of the …

Molecular modelling of the hydrolysis of tantalum and niobium pentafluoride

MJ Ungerer, DJ Van der Westhuizen… - Advanced Materials …, 2014 - Trans Tech Publ
Tantalum (Ta) and niobium (Nb) are two metals with similar chemical and physical
properties and are found together in nature. One form of Ta is tantalum pentafluoride, which …