Direct conversion of uranium dioxide UO2 to uranium tetrafluoride UF4 using the fluorinated ionic liquid [Bmim][PF6]

Florian Joly; Pardis Simon; Xavier Trivelli; Mehdi Arab; Bertrand Morel; Pier Lorenzo Solari; Jean-Francois Paul; Philippe Moisy; Christophe Volkringer

doi:10.1039/C9DT04327F

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Direct conversion of uranium dioxide UO₂ to uranium tetrafluoride UF₄ using the fluorinated ionic liquid [Bmim][PF₆]†

Florian Joly,^a Pardis Simon,^a Xavier Trivelli,^b Mehdi Arab,^c Bertrand Morel,^c Pier Lorenzo Solari,^d Jean-Francois Paul,^a Philippe Moisy^e and Christophe Volkringer

*^af

Author affiliations

* Corresponding authors

^a Unité de Catalyse et Chimie du Solide (UCCS), UMR CNRS 8181, Université de Lille, ENSC-Lille, Bat. C7, Avenue Mendeleïev, 59655 Villeneuve d'Ascq, France
E-mail: christophe.volkringer@ensc-lille.fr
Tel: +33 320 434 973

^b Université de Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France

^c Hall de recherche de Pierrelatte, Site ORANO du Tricastin, Route du Site de Tricastin, 26701 Pierrelatte, France

^d Synchrotron SOLEIL, L'Orme des Merisiers Saint Aubin, BP 48, Gif sur Yvette Cedex, France

^e CEA, CEA, DEN, DMRC, Univ Montpellier, Marcoule, France

^f Institut Universitaire de France (IUF), 1 rue Descartes, 756231 Paris Cedex 05, France

Abstract

The industrial fluorination of UO₂ to UF₄ is based on a complex process involving the manipulation of a large amount of HF, a very toxic and corrosive gas. We present here a safer way to accomplish this reaction utilizing ionic liquid [Bmim][PF₆] as a unique reaction medium and fluoride source.

This article is part of the themed collection: Spotlight Collection: Fluorinated ligands

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Article information

DOI: https://doi.org/10.1039/C9DT04327F
Article type: Communication
Submitted: 08 نومبر 2019
Accepted: 26 نومبر 2019
First published: 26 نومبر 2019

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Dalton Trans., 2020,49, 274-278

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Direct conversion of uranium dioxide UO₂ to uranium tetrafluoride UF₄ using the fluorinated ionic liquid [Bmim][PF₆]

F. Joly, P. Simon, X. Trivelli, M. Arab, B. Morel, P. L. Solari, J. Paul, P. Moisy and C. Volkringer, Dalton Trans., 2020, 49, 274 DOI: 10.1039/C9DT04327F

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Dalton Transactions