Assessing the potential production of uranium from coal-ash milling in the long term

Antoine Monnet, Jacques Percebois and Sophie Gabriel
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Antoine Monnet: TECH ECO (ex-ITESE) - Institut Technico-Economie - CEA-DES (ex-DEN) - CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) - CEA - Commissariat à l'énergie atomique et aux énergies alternatives - Université Paris-Saclay
Jacques Percebois: UMR ART-Dev - Acteurs, Ressources et Territoires dans le Développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - UPVM - Université Paul-Valéry - Montpellier 3 - UPVD - Université de Perpignan Via Domitia - UM - Université de Montpellier - CNRS - Centre National de la Recherche Scientifique
Sophie Gabriel: TECH ECO (ex-ITESE) - Institut Technico-Economie - CEA-DES (ex-DEN) - CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) - CEA - Commissariat à l'énergie atomique et aux énergies alternatives - Université Paris-Saclay

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Abstract: Uranium-bearing coal deposits are occasionally mentioned as a potential source of supply for nuclear fuels. The production of uranium from coal-ash has remained sub-economic for decades, but the emergence of new projects has once again raised a number of questions. How much coal-ash do we have? Are the coal deposits all rich in uranium? Can the uranium content always be recovered?This study shows that there are significant quantities of uranium in the ash produced by the world coal consumption: between 7 ktU and 13 ktU in 2012. Yet, most of this ash correspond to very low grade ores and potential production capacities should not exceed 700 tU/yr in today's economic conditions (between 40 and 70 $/lbU3O8 for both spot and long-term price over the period 2011–2014 (Ux Consulting, 2015)), i.e. approximately 1% of current needs. On the long-term, the sensitivity of the production potential to economic factors (cut-off grade, uranium price) and coal-consumption scenarios is moderate. Economic production from coal-ash should not exceed a couple of percents of uranium needs.

Date: 2015
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Published in Resources Policy, 2015, 45, pp.173-182. ⟨10.1016/j.resourpol.2015.04.005⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03062767

DOI: 10.1016/j.resourpol.2015.04.005

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