Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1998-10-06
2000-02-08
Griffin, Steven P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502339, 502353, B01J 23644
Patent
active
060228261
ABSTRACT:
A catalyst for oxidizing carbon monoxide in a gas stream is provided. The catalyst contains a combination of a platinum component and one or more bismuth oxides in amounts sufficient to convert carbon monoxide to carbon dioxide in the presence of oxygen. The bismuth oxides inhibit the tendency of the platinum to convert SO.sub.2 in the gas stream, if any, to SO.sub.3. The atomic molar ratio of bismuth to platinum is preferably in the range of from about 0.1:1 to 6:1.
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Deeba Michel
Speronello Barry K.
Engelhard Corporation
Griffin Steven P.
Miller Stephen I.
Vanoy Timothy C.
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