Title:
METHOD FOR CONVERTING NITROGEN OXIDES (NOX) IN EXHAUST GASES AND CATALYST USEFUL FOR IT
Document Type and Number:
WIPO Patent Application WO2004022225
Kind Code:
B1
Abstract:
The present invention concerns a method for treating exhaust gases containing sulphur dioxides and NOx generated by a diesel or lean-burn engine comprising the steps of:(a) providing an acidic catalytic material comprising a noble metal-doped metal oxide material wherein the noble metal is present in the form of at least an oxidised species of rhodium in the exhaust gas system of said vehicle, and(b) exposing said exhaust gases to said catalytic material.
Inventors:
FLORES MORENO JORGE (FR)
FIGUERAS FRANCOIS (FR)
DELAHAY GERARD (FR)
COQ BERNARD (FR)
LEHAUT-BURNOUF CORINNE (FR)
FIGUERAS FRANCOIS (FR)
DELAHAY GERARD (FR)
COQ BERNARD (FR)
LEHAUT-BURNOUF CORINNE (FR)
Application Number:
PCT/IB2003/004244
Publication Date:
April 28, 2005
Filing Date:
September 09, 2003
Export Citation:
Assignee:
MILLENNIUM CHEMICALS THANN SAS (FR)
CENTRE NAT RECH SCIENT (FR)
FLORES MORENO JORGE (FR)
FIGUERAS FRANCOIS (FR)
DELAHAY GERARD (FR)
COQ BERNARD (FR)
LEHAUT-BURNOUF CORINNE (FR)
CENTRE NAT RECH SCIENT (FR)
FLORES MORENO JORGE (FR)
FIGUERAS FRANCOIS (FR)
DELAHAY GERARD (FR)
COQ BERNARD (FR)
LEHAUT-BURNOUF CORINNE (FR)
International Classes:
B01D53/94; B01J23/46; B01J35/00; B01J37/20; B01J35/10; (IPC1-7): B01J23/46; B01D53/94
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