Centre National De La Recherche Scientifique

Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Universitè De Montpellier

Raphaël Turgis

Stéphane Pellet-Rostaing

Guilhem Arrachart

Agnès Grandjean

Frédéric Goettmann

Antoine Leydier

Jean Duhamet

Véronique Dubois

Sabah El Mourabit

Moussa Toure

The invention relates to compounds which correspond to the general formula (I) below:  The invention also relates to the uses of these compounds as uranium(VI) ligands, in particular for extracting uranium(VI) from an aqueous solution of sulphuric acid, and also to a method that makes it possible to recover the uranium(VI) present in an aqueous solution of sulphuric acid resulting from the attack of a uranium ore by sulphuric acid and using said the compounds.

Compounds with phosphine oxide and amine functions, useful as uranium (VI) ligands, and uses thereof, in particular for extracting uranium(VI) from aqueous solutions of sulphuric acid

The invention relates to an organic-inorganic hybrid material which comprises an inorganic solid support on which are grafted organic molecules of the general formula (I) hereafter: and relates to methods allowing preparation of this hybrid material as well as to the uses of the hybrid material for extracting uranium(VI) from an aqueous medium comprising phosphoric acid.

Organic-inorganic hybrid material of use for extracting uranium (VI) from aqueous media containing phosphoric acid, processes for preparing same and uses thereof

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Le Grand Quevilly, France

Raphaël Turgis