B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/86 (2006.01) B01D 53/36 (1990.01)
Patent
CA 2081830
PATENT 211PUS04750 ABSTRACT The invention describes a highly efficient catalytic pollution control process for removing N2O from gaseous mixtures. The catalytic process, which is substantially unaffected by the presence of oxygen, comprises contacting an N2O-containing gaseous mixture with a catalyst comprising a crystalline zeolite which, at least in part, is composed of five membered rings having a structure type selected from the group consisting of BETA, MOR, MFI, MEL and FER wherein the crystalline zeolite has been at least partially ion- exchanged with a metal selected from the group consisting of copper, cobalt, rhodium, iridium, ruthenium and palladium under conditions sufficient to convert the N2O into gaseous nitrogen and gaseous oxygen.
Armor John Nelson
Li Yuejin
Englehard Corporation
Sim & Mcburney
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