B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/86 (2006.01) B01J 29/06 (2006.01) B01J 29/10 (2006.01) B01J 29/20 (2006.01)
Patent
CA 2598341
The invention relates to a method for the catalytic decomposition of N2O in a gas containing N2O in the presence of a catalyst, wherein the catalyst comprises a zeolite that has been loaded with a first metal selected from the group of noble metals consisting of ruthenium, rhodium, silver, rhenium, osmium, iridium, platinum and gold, and with a second metal selected from the group of transition metals consisting of chromium, manganese, iron, cobalt, nickel and copper, and wherein the loading of the zeolite with metals has been obtained by the first loading the zeolite with the noble metal and then with the transition metal, as well as a catalyst for this method and a method for the preparation of this catalyst.
L'invention concerne un procédé de décomposition catalytique de N¿2?O dans un gaz contenant N¿2?O, en présence d'un catalyseur. Ledit catalyseur comprend une zéolithe ayant été chargée d'un premier métal, sélectionné dans le groupe des métaux nobles comprenant le ruthénium, le rhodium, l'argent, le rhénium, l'osmium, l'iridium, le platine et l'or, et d'un second métal, sélectionné dans le groupe des métaux de transition comprenant le chrome, le manganèse, le fer, le cobalt, le nickel et le cuivre. On charge la zéolithe en mettant en oeuvre les étapes consistant à: charger d'abord le métal noble, et charger ensuite le métal de transition dans la zéolithe. L'invention concerne aussi un catalyseur utile dans le procédé et un procédé de préparation du catalyseur.
Pieterse Johannis Alouisius Zacharias
Van Den Brink Rudolf Willem
Gowling Lafleur Henderson Llp
Stichting Energieonderzoek Centrum Nederland
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