Doped adsorbent materials with enhanced activity

Details Doped adsorbent materials with enhanced activity Doped adsorbent materials with enhanced activity

B - Operations, Transporting

01

J

B01J 20/10 (2006.01) B01J 20/02 (2006.01) B01J 20/08 (2006.01) B01J 20/16 (2006.01) B01J 20/32 (2006.01)

Patent

CA 2452490

A method is disclosed for increasing the activity of doped inorganic adsorbent materials in the adsorption of selected solute species from a gasphase or from a fluidphase. The method consists in selecting the type, or the amount, or the molecular dimensions of the dopant or dopants, or also in tailoring the pore structure of the doped inorganic adsorbent material through doping. Doped inorganic adsorbent materials produced with said method, and showing enhanced activity towards selected solute species, are also disclosed. The improved doped inorganic adsorbent materials are suitable in a number of different fields where adsorption of one or more selected solute species from a free fluid phase is needed.

L'invention concerne un procédé permettant de renforcer l'activité de matériaux adsorbants inorganiques dopés dans l'adsorption d'espèces en solution à partir d'une phase gazeuse ou d'une phase fluidique. Le procédé consiste à choisir le type, la dose ou les dimensions moléculaires du/des dopant(s), ou également à concevoir sur mesure la structure poreuse dudit matériau lors du dopage. L'invention concerne en outre des matériaux adsorbants inorganiques dopés produits selon ce procédé, et présentant une activité améliorée par rapport aux espèces choisies en solution. Ces matériaux peuvent servir dans plusieurs domaines différents qui requièrent l'adsorption d'au moins une espèce en solution choisie dans une phase fluidique libre.

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