Geochemistry and Corrosion of Uranium-based Waste Materials

A special issue of Minerals (ISSN 2075-163X).

Deadline for manuscript submissions: closed (30 January 2017) | Viewed by 6574

Special Issue Editor


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Guest Editor
Director of the Southwest Nuclear Hub, School of Physics, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK
Interests: metallurgy, corrosion and perfomance of actinides in engineered and environmental systems; nuclear waste; nuclear materials and detection; nuclear waste storage and disposal; energy materials; decomissioning technology; environmental mobility of actinides; environmental remediation of radioactive contamination

Special Issue Information

Dear Colleagues,

Uranium-based materials are synonymous with fission energy. Uranium dioxide and uranium metal have been the primary materials used for nuclear fuel over the past 50 years, but, proportionally, they will all spend the majority of their lives as a highly radioactive waste, as compared to an operating fuel. Accordingly, the behaviour of these materials, in both engineered and natural systems, is of ongoing and significant interest to the academic community. The current Special Issue is seeking contributions that provide experimental data to better define the mechanisms and behaviours of uranium and associated nuclear compounds in waste storage and disposal systems, as well as papers detailing the transport and transformation behaviours of actinide materials in environmental systems; surface and subsurface.

Dr. Thomas B. Scott
Guest Editor

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Keywords

  • Uranium corrosion
  • Uranium ore mineralogy
  • Uranium metallurgy
  • Nuclear materials and detection
  • Nuclear waste storage and disposal
  • Environmental mobility of actinides
  • Environmental remediation of actinide contamination

Published Papers (1 paper)

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Research

17304 KiB  
Article
Uraninite, Coffinite and Brannerite from Shear-Zone Hosted Uranium Deposits of the Bohemian Massif (Central European Variscan Belt)
by Miloš René and Zdeněk Dolníček
Minerals 2017, 7(4), 50; https://doi.org/10.3390/min7040050 - 29 Mar 2017
Cited by 14 | Viewed by 6298
Abstract
New mineralogical data are presented for shear-zone hosted uranium mineralisation from selected uranium deposits that occur in the Bohemian Massif. The uranium mineralisation is in high-grade metamorphic rocks of the Moldanubian Zone and/or in granitic rocks of the Moldanubian batholith and Bor pluton [...] Read more.
New mineralogical data are presented for shear-zone hosted uranium mineralisation from selected uranium deposits that occur in the Bohemian Massif. The uranium mineralisation is in high-grade metamorphic rocks of the Moldanubian Zone and/or in granitic rocks of the Moldanubian batholith and Bor pluton as complex uraninite–coffinite and uraninite–coffinite–brannerite assemblages. For analysed coffinites and brannerites, anomalous enrichment of Y (up to 3.4 wt % Y2O3) and Zr (up to 13.8 wt % ZrO2) is significant. The microprobe data indicate that coffinites from the Rožná and Okrouhlá Radouň uranium deposits contain variable PbO (0–4.3 wt %), FeO (0–2.5 wt %), Al2O3 (0–3.5 wt %), P2O5 (0–1.8 wt %), and CaO (0.7–3.5 wt %). Brannerite is present in unaltered and altered grains with variable concentrations of U4+ (0–0.5 apfu), U6+ (0.06–0.49 apfu), Ti (0.90–2.63 apfu), Ca (0.09–0.41 apfu), and low concentrations of Al (0–0.19 apfu), Th (0–0.04 apfu), Y (0–0.08 apfu), Zr (0–0.13 apfu) and REE (0–0.14 apfu). Full article
(This article belongs to the Special Issue Geochemistry and Corrosion of Uranium-based Waste Materials)
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