Laminated substrate for catalytic combustor reactor bed

Patent Application · Tue Sep 10 00:00:00 EDT 1991

OSTI ID:5719138

Beebe, K W

This patent describes a laminated catalyst element. It comprises a metal support substrate; a catalytically active noble metal oxidation resistant layer selected from the group consisting of platinum, palladium, rhodium, iridium, osmium and ruthenium, provided over the metal support substrate for preventing high temperature oxidation of the metal support substrate; a metal oxide coating, selected from the group consisting of alumina, zirconia and thoria, provided over the noble metal oxidation resistant layer; and a combustion catalyst selected from the group consisting of platinum, palladium, rhodium, iridium, chromium oxides, iron oxides, cobalt oxides, lanthanum oxides, terbium-cerium-thorium, ruthenium, osmium, nickel oxides, magnesium oxides and copper oxides, the combustion catalyst being provided on the metal oxide coating, and wherein the noble metal oxidation resistant layer provides a secondary source of combustion catalyst due to the catalytic activity thereof.

• Assignee: General Electric Co., Schnectady, NY (USA)
• Application Number: PPN: US 7-273537
• OSTI ID: 5719138
• Resource Relation: Patent File Date: 21 Nov 1988
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
20 FOSSIL-FUELED POWER PLANTS
CATALYSTS
CHEMICAL COMPOSITION
CATALYTIC COMBUSTORS
SUBSTRATES
AIR POLLUTION CONTROL
ALUMINIUM OXIDES
CATALYST SUPPORTS
CATALYTIC EFFECTS
CHROMIUM OXIDES
IRIDIUM
MATERIALS TESTING
PALLADIUM
PROTECTIVE COATINGS
RHODIUM
TEMPERATURE RANGE 0400-1000 K
THORIUM OXIDES
ZIRCONIUM OXIDES
ACTINIDE COMPOUNDS
ALUMINIUM COMPOUNDS
CHALCOGENIDES
CHROMIUM COMPOUNDS
COATINGS
COMBUSTORS
CONTROL
ELEMENTS
METALS
OXIDES
OXYGEN COMPOUNDS
PLATINUM METALS
POLLUTION CONTROL
TEMPERATURE RANGE
TESTING
THORIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ZIRCONIUM COMPOUNDS
540120* - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)
400201 - Chemical & Physicochemical Properties
200202 - Fossil-Fueled Power Plants- Waste Management- Noxious Gas & Particulate Emissions