Method for removing contaminants from gas flows containing...

Details Method for removing contaminants from gas flows containing... Method for removing contaminants from gas flows containing...

B - Operations, Transporting

01

D

B01D 53/04 (2006.01) B01D 53/82 (2006.01) B01D 53/86 (2006.01) C10L 3/10 (2006.01)

Patent

CA 2746835

The invention relates to adsorbents for removing contaminants from gas flows containing water, particularly for use in fuel cell systems, wherein the adsorbents contain oxides of elements selected from the group Cu, Fe, Zn, Ni, Co, Mn, Mg, Ba, Zr, Ce, La or combinations of said elements, at a copper oxide content of at least 30 wt %, and have pore volumes of less than 0.175 ml g-1 for pores having a radius of less than 20 nm.

L'invention porte sur des adsorbants pour l'élimination d'impuretés se trouvant dans des courants gazeux contenant de l'eau, en particulier en vue de l'utilisation dans des systèmes de piles à combustible, les adsorbants contenant des oxydes d'éléments choisis dans le groupe Cu, Fe, Zn, Ni, Co, Mn, Mg, Ba, Zr, Ce, La ou dans des combinaisons de ces éléments, avec une teneur en oxyde de cuivre d'au moins 30 % en poids, et présentant des volumes de pores inférieurs à 0,175 ml.g-1 pour les pores ayant un rayon inférieur à 20 nm.

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