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1. (WO2001087771) METHOD AND DEVICE FOR THE REDUCTION OF NITROGEN PROTOXIDE

Pub. No.:    WO/2001/087771    International Application No.:    PCT/EP2001/005297
Publication Date: Nov 22, 2001 International Filing Date: May 10, 2001
IPC: B01D 53/86
B01J 23/40
B01J 35/04
C01B 21/26
F23C 13/00
F23L 7/00
Applicants: W.C. HERAEUS GMBH & CO. KG
GORYWODA, Marek
LUPTON, David, Francis
LUND, Jonathan
Inventors: GORYWODA, Marek
LUPTON, David, Francis
LUND, Jonathan
Title: METHOD AND DEVICE FOR THE REDUCTION OF NITROGEN PROTOXIDE
Abstract:
The invention relates to a method and device for reducing nitrogen protoxide formed by catalytic combustion of ammonia and oxygen into nitrogen protoxide. The invention provides the use of a catalyst system comprising at least a first catalytic array and at least a second catalytic array for the catalytic combustion of ammonia and oxygen into nitrogen protoxides, first catalytic array being a platinum rhodium array and upstream second catalyst array being a platinum rhodium array with 2 to 4 weight % of rhodium.