Patent ID: 7704474
Filing Date: 2010-04-27
Classification: B01D,B01J,Y02C

Abstract:
1. A method for the catalytic decomposition of N 2 O in a gas containing N 2 O 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 vanadium, chromium, manganese, iron, cobalt, nickel and copper, wherein the loading of the zeolite with metals has been obtained by first loading the zeolite with the noble metal and then with the transition metal, and wherein the zeolite is selected from the group consisting of FER, CHA and BEA.