Method and apparatus for selective removal of carbon monoxide
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United States of America Patent
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Dec 19, 2000
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N/A
app pub date -
Sep 16, 1998
filing date -
Sep 16, 1998
priority date (Note) -
Expired
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Abstract
There is provided a method and apparatus for treatment of a hydrogen-rich gas to reduce the carbon monoxide content thereof by reacting the carbon monoxide in the gas with an amount of oxygen sufficient to oxidize at least a portion of the carbon monoxide in the presence of a catalyst in a desired temperature range without substantial reaction of hydrogen. The catalyst is an iridium-based catalyst dispersed on, and supported on, a carrier. In the presence of the catalyst, carbon monoxide in a hydrogen-rich feed gas is selectively oxidized such that a product stream is produced with a very low carbon monoxide content.
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