An overview on recent separation and purification strategies for recovery of Nb and Ta from primary and secondary ore sources
TF de Oliveira, JAS Tenório, DCR Espinosa - Minerals Engineering, 2023 - Elsevier
This paper focuses on processing technologies for the exploitation and purification of Nb
and Ta from primary and secondary ore sources that have been used for extraction of these …
and Ta from primary and secondary ore sources that have been used for extraction of these …
Advancements in the extraction of niobium and tantalum: Innovative strategies in hydrometallurgical processes
DMC Machaca, TC de Carvalho, JAS Tenório… - Minerals …, 2025 - Elsevier
This article presents a comprehensive analysis of the challenges and advancements in the
extraction of niobium (Nb) and tantalum (Ta), focusing on global production and the growing …
extraction of niobium (Nb) and tantalum (Ta), focusing on global production and the growing …
Extraction of niobium in one step from tin slag by NH4F‐HCl leaching process
IA Anes, F Garjulli… - … Canadian Journal of …, 2024 - Wiley Online Library
Niobium and tantalum are generally found together in nature in ores such as columbite,
tantalite, and pyrochlore. These ores can occasionally associate with cassiterite, the tin ore …
tantalite, and pyrochlore. These ores can occasionally associate with cassiterite, the tin ore …
Separation and Purification of Ta and Nb from Ammonium Bifluoride Leachates Using Methyl Isobuthyl Ketone, 2-Octanol, and Aliquat® 336
Results from purification and separation of Ta and Nb from bifluoride-based leachates
aiming to produce high-purity Ta and Nb oxides are reported. The leachates have been …
aiming to produce high-purity Ta and Nb oxides are reported. The leachates have been …
Processing of mineralized microgranite dike for the recovery of niobium, tantalum, and rare earth elements using 1, 2-propyleneglycol extractant
AH Orabi, NI Falila, HM Salem… - Canadian …, 2024 - Taylor & Francis
ABSTRACT A number of strategic and economic rare-metal and Rare Earth Elements
(REEs)-bearing minerals were recorded in mineralized microgranite dike (MMGD) from Ras …
(REEs)-bearing minerals were recorded in mineralized microgranite dike (MMGD) from Ras …