Centre National De La Recherche Scientifique

Commissariat a L'energie Atomique

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

Michel Meyer

Roger Guilard

Franck Denat

Hervé Chollet

Arnaud Bucaille

Jean-Louis Babouhot

Francois Cuenot

Frédéric Boschetti

Frédéric Rascalou

François Cuenot

The present invention relates to a material notably adapted for the extraction of metal cations in an aqueous medium, comprising a solid support on which are attached polyazacycloalkane compounds having a ring including at least 4 nitrogen atoms, and wherein the nitrogen atoms of the ring are substituted with coordinating groups, which each are independently: The invention also relates to methods for preparing the aforementioned materials and to different uses thereof, notably for the extraction of Pbcations in an aqueous medium.

Materials for the solid/liquid extraction of heavy metal ions, containing supported N-functionalized polyazacycloalkanes

Material composed of a polyazacycloalkane grafted on polypropylene fibres. Process for the preparation of this material. Process for removing metal cations present in a liquid by bringing this liquid into contact with the said material.

Material comprising polyazacycloalkanes, grafted on polypropylene fibres, its process of preparation, and process for removing metal cations from a liquid

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Dijon, France

Michel Meyer