Catalysts for oxidation of carbon monoxide

Details Catalysts for oxidation of carbon monoxide Catalysts for oxidation of carbon monoxide

B - Operations, Transporting

01

J

23/355, 252/78

B01J 23/89 (2006.01) B01D 53/86 (2006.01) B01J 23/40 (2006.01) B01J 37/16 (2006.01)

Patent

CA 2014559

In a process for preparing a reduced material comprising (a) alumina and/or magnesium aluminate as support material, (b) platinum metal and (c) an iron component, the improvement comprises: (1) treating the reduced composition of matter with an acidic liquid; (2) heating the acid-treated material, and (3) treating the material obtained in step (2) with a reducing gas. The prepared material is used as a catalyst for converting CO and O2 to CO2.

Dans un procédé pour préparer une matière réduite renfermant (a) de l'alumine et (ou) de l'aluminate de magnésium comme produit de support, (b) du platine métallique et (c) un composé du fer, l'amélioration comprend les étapes suivantes : 1) traitement de la composition de matière réduite avec un acide liquide; 2) chauffage de la matière traitée à l'acide; 3) traitement de la matière obtenue à l'étape 2 par un gaz réducteur. La matière ainsi préparée est employée comme catalyseur pour convertir CO et O2 en CO2.

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