Results 81 to 90 of about 2,358 (208)
A Method of Estimating Uranium Reduction Degree for In situ Leaching Uranium Mine Restoration
Journal of IsotopesTo address the challenge of evaluating groundwater remediation effectiveness after in situ Leaching (ISL) uranium mining，this study proposes a novel quantitative assessment method based on uranium isotopic fractionation (δ238U).
Jie GAO +4 more
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Uranium deposits of Mongolia, their exploration and mine development
Mongolian Geoscientist, 2019 Most of the known uranium deposits in Mongolia are related to volcano-tectonic structures of the Late Mesozoic and permeable sandstone aquifers of terrigenous sedimentary rocks in Late Mesozoic-Cenozoic basins.
Dorjyunden Altankhuyag +2 more
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The anodic dissolution of covellite in acidic, chloride solutions
, 2010 An electrochemical study was conducted on a stationary, synthetically produced, covellite electrode in acidic, chloride solutions at ambient conditions to investigate the dissolution behaviour of the mineral over a surface potential range from the open ...
Basson, Petrus
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He jishuBackgroundThe remediation technology for U(VI), Ca2+ and other pollutants in the groundwater of the mining area of in-situ leaching of uranium has become a key technical bottleneck restricting the decommission of uranium mine, and the microbial-induced ...
HE Guicheng, ZHU Xiaoyu, LI Yongmei
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Characterizing uranium solubilization under natural near oxic conditions
, 2006 A 782 d solubilization study using not shaken batch experiments and involving one uranium-bearing rock and three natural carbonate minerals was conducted to characterize uranium (U) leaching under oxic conditions.
Merkel, B. J. +6 more
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Pilot Test of Automated U-shaped Ion Exchange Facility
Yuanzineng kexue jishuThe escalating demands for efficient uranium extraction and environmentally sustainable mining practices underscore the need to address the inefficiencies in conventional acid in-situ leaching processes.
CHEN Xi, XIA Qingyin, CHENG Wei, HUO Jiandang
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Journal of Analytical Science and TechnologyTo improve the accuracy of uranium concentration prediction and the scientific regulation of acid injection concentration in In-situ leaching uranium mining, this study proposes a deep learning model that integrates Convolutional Neural Networks (CNN ...
Zhenhua Wei +3 more
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Meitan xuebaoThis study addresses the issue of uranium-contaminated groundwater in decommissioned in situ leaching uranium mining areas. Nano-hydroxyapatite (HAP) was synthesized using the gel method, and its ability to remove U(Ⅵ) was investigated by studying the ...
Guicheng HE +8 more
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Review of recent developments in uranium extraction technology.
, 1978 Developments in uranium ore processing technology since the AAEC Symposium on Uranium Processing in July 1972 are reviewed. The main developments include the use of: - autogenous or semi-autogenous grinding, - benefication techniques such as radiometric ...
Crawford, RE, Alfredson, PG, Ring, RJ
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Leaching methodologies for uranium
, 2010 The science and technology for the separation/recovery of uranium from its natural sources into the form of high grade concentrates has been studied many years.
Kumar, J Rajesh +3 more
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