Combustion – Process of combustion or burner operation – In a porous body or bed – e.g. – surface combustion – etc.
Patent
1993-02-25
1995-12-12
Jones, Larry
Combustion
Process of combustion or burner operation
In a porous body or bed, e.g., surface combustion, etc.
431268, 431267, F23R 340, F23D 340
Patent
active
054744415
ABSTRACT:
A catalyst bed (30) for a combustor (18) for supporting the catalytic combustion of a gaseous air/fuel (e.g., methane or natural gas) combustion mixture contains an igniter catalyst member (1) upstream of a promoter catalyst member (2). The catalyst members each comprise carrier monoliths, the igniter catalyst member (1) having an igniter catalyst material deposited thereon and the promoter catalyst member (2) having a promoter catalyst material deposited thereon. The igniter catalyst material is distinguished from the promoter catalyst material in one or more of the following ways: the igniter catalyst material may have (a) a higher catalytic activity for combustion of the air/fuel mixture, (b) a lower catalyst deactivation temperature than the promoter catalyst material, and/or (c) the promoter catalyst regeneration temperature range brackets the upper limit of the regeneration temperature range of the igniter catalyst.
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Farrauto Robert J.
Feeley Jennifer S.
Kennelly Teresa
Lui Yiu K.
Simone Dianne O.
Engelhard Corporation
Jones Larry
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