A review of acid leaching of uraninite

SK Bhargava, R Ram, M Pownceby, S Grocott, B Ring… - Hydrometallurgy, 2015 - Elsevier
Uraninite is mined/processed more than any other uranium mineral for the production of
uranium based compounds that are subsequently used to produce nuclear fuel. This review …

Geometallurgy of Australian uranium deposits

MI Pownceby, C Johnson - Ore Geology Reviews, 2014 - Elsevier
Australian uranium ores are often composed of complex mineral assemblages. Differences
in ore compositions and textures are seen between deposits as well as within a single …

Uranium recovery from sandstone-type uranium deposit by acid in-situ leaching-an example from the Kujieertai

Y Zhou, G Li, L Xu, J Liu, Z Sun, W Shi - Hydrometallurgy, 2020 - Elsevier
The factors influencing uranium recovery in water-rock systems during acid in-situ leaching
(ISL) were studied at the Kujieertai uranium deposit in **njiang. Using an ISL unit, a field …

Recovery of uranium from low-grade tailings by electro-assisted leaching

M Li, F Gao, X Zhang, S Lv, J Huang, X Wu… - Journal of Cleaner …, 2020 - Elsevier
Approximately 24 billion tons of existing hazardous radioactive waste, such as uranium
tailings can yield nearly 9.6 million tons of uranium, which can be made available for nuclear …

Uraninite from the Olympic Dam IOCG-U-Ag deposit: Linking textural and compositional variation to temporal evolution

E Macmillan, NJ Cook, K Ehrig… - American …, 2016 - pubs.geoscienceworld.org
Abstract The Olympic Dam IOCG-U-Ag deposit, South Australia, the world's largest known
uranium (U) resource, contains three main U-minerals: uraninite, coffinite, and brannerite …

Water–Rock reactions in the acid leaching of Uranium: Hydrochemical characteristics and reaction mechanisms

B Wang, Y Luo, X Li, Y Liu, C Xu, Y Zheng, Y Zhang… - Journal of …, 2024 - Elsevier
Acid in–situ leaching (AISL) mining is used to recover uranium from sandstone using
sulphuric acid. However, the evolution of groundwater hydrochemistry, the water–rock …

[HTML][HTML] Pb-bearing Cu-(Fe)-sulfides: Evidence for continuous hydrothermal activity in the northern Olympic Cu-Au Province, South Australia

ND Owen, NJ Cook, R Ram, J Brugger, R Maas… - Precambrian …, 2023 - Elsevier
Lead-isotope data were obtained for a population of Pb-chalcogenides (galena, clausthalite
and altaite) and Cu-(Fe)-sulfides in Cu-(Fe)-sulfide mineral separates from the Prominent …

Selective radionuclide co-sorption onto natural minerals in environmental and anthropogenic conditions

R Ram, C Kalnins, MI Pownceby, K Ehrig… - Journal of Hazardous …, 2021 - Elsevier
Anthropogenic activities can redistribute the constituents of naturally occurring radioactive
materials (NORM), posing potential hazards to populations and ecosystems. In the present …

Optical and Chemical Characterization of Uranium Dioxide (UO2) and Uraninite Mineral: Calculation of the Fundamental Optical Constants

BM DeVetter, TL Myers, BD Cannon… - The Journal of …, 2018 - ACS Publications
Uranium dioxide (UO2) is a material with historical and emerging applications in numerous
areas such as photonics, nuclear energy, and aerospace electronics. While often grown …

Extraction mechanism of depleted uranium exposure by dilute alkali pretreatment combined with acid leaching

M Li, CM Huang, XW Zhang, FY Gao, XY Wu, Q Fang… - Hydrometallurgy, 2018 - Elsevier
Uranium recovery from tailings is difficult because of the encapsulation of uranium by high
content of gangue minerals. Uranium separation from gangue minerals has also been a key …