Centre National De La Recherche Scientifique

Universitè De Montpellier

Universite Dé Lorraine

Ecole Nationale Superieure De Chimie De Montpellier

Université De Chambéry

Commissariat a L'energie Atomique Et Aux Energies Alternatives

Sophie Legeai

Stéphane Pellet-Rostaing

Guilhem Arrachart

David Virieux

Christian Thomas

Raphael Turgis

Micheline Draye

Emmanuel Billy

Eric Meux

Raphaël Turgis

Natalie Leclerc

Maxime Balva

A method for extracting the tantalum from an acid aqueous phase A1 comprising at least one step comprising the bringing of the aqueous phase A1 into contact with a phase A2 not miscible with water, and then the separation of the aqueous phase A1 from the phase A2, the phase A2 consisting of one ionic liquid or a mixture of ionic liquids as an extractant. A method for recovering the tantalum that implements this extraction method and to a use of an ionic liquid or of a mixture of ionic liquids as an extractant, in order to extract the tantalum from such an aqueous phase A1.

Process for extracting and recovering tantalum present in an acid aqueous phase by means of an ionic liquid, and use of such an ionic liquid for extracting the tantalum from an acid aqueous phase

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Metz, France

Sophie Legeai