Characterisation of a uranium ore using multiple X-ray diffraction based methods

Reynolds, H, Ram, R, Charalambous, F, Antolasic, F, Tardio, J and Bhargava, S 2010, 'Characterisation of a uranium ore using multiple X-ray diffraction based methods', Minerals Engineering, vol. 23, no. 9, pp. 739-745.


Document type: Journal Article
Collection: Journal Articles

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Title Characterisation of a uranium ore using multiple X-ray diffraction based methods
Author(s) Reynolds, H
Ram, R
Charalambous, F
Antolasic, F
Tardio, J
Bhargava, S
Year 2010
Journal name Minerals Engineering
Volume number 23
Issue number 9
Start page 739
End page 745
Total pages 7
Publisher Pergamon
Abstract Uranium bearing ores are often a complex mixture of minerals and compounds, a number of which are not of economic importance and are commonly referred to as gangue materials. In order to improve the efficiency of the dissolution stage of the overall uranium extraction process, a greater understanding of the minerals and compounds present in the ore is required. A greater knowledge of the gangue materials present is important as they can influence various aspects of the dissolution process such as providing potential adsorption sites for aqueous uranium species and through influencing the equilibrium of reactions involving aqueous uranium species. In this study the mineralogy of a uranium ore was investigated using a range of X-ray diffraction (XRD) based methods including in situ high temperature XRD and XRD using a synchrotron beam line. The results obtained from standard XRD (Cu Ka), high temperature XRD and synchrotron XRD (16.534 keV) were compared and a number of minerals were identified. The improved spatial resolution and intensity of the synchrotron data allowed for superior phase identification of a variety of minerals where standard X-ray techniques gave inconclusive results.
Subject Engineering not elsewhere classified
Keyword(s) Mineralogy
DOI - identifier 10.1016/j.mineng.2010.05.006
Copyright notice © 2010 Pergamon-Elsevier Science Ltd
ISSN 0892-6875
Additional Notes NOTICE: this is the author’s version of a work that was accepted for publication in Minerals Engineering. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Minerals Engineering, VOL 23, ISSUE 9, 2010 DOI: http://dx.doi.org/10.1016/j.mineng.2010.05.006
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