Removal of hydrogen and carbon monoxide impurities from gas streams

US8940263B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8940263-B2
Application numberUS-201313859838-A
CountryUS
Kind codeB2
Filing dateApr 10, 2013
Priority dateApr 10, 2013
Publication dateJan 27, 2015
Grant dateJan 27, 2015

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Abstract

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Hydrogen and carbon monoxide impurities are removed from a dry gas comprising the impurities, wherein the dry gas is at least substantially free of carbon dioxide, by passing the dry gas with sufficient residence time, e.g. at least 1.5 s, through a layer of catalyst comprising a mixture of manganese oxide and copper oxide. The use of expensive noble metal catalysts to remove hydrogen may thereby be avoided. In addition, regeneration of the catalyst using oxygen-containing regeneration gas does not reduce the effectiveness of the catalyst.

First claim

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The invention claimed is: 1. A process for removing hydrogen and carbon monoxide impurities from a dry gas comprising said impurities, wherein said dry gas is at least substantially free of carbon dioxide, said process comprising passing said dry gas through a layer of catalyst comprising a mixture of manganese oxide and copper oxide, with sufficient residence time to produce product gas exiting the layer of catalyst comprising the mixture of manganese oxide and copper oxide that i…

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What does patent US8940263B2 cover?
Hydrogen and carbon monoxide impurities are removed from a dry gas comprising the impurities, wherein the dry gas is at least substantially free of carbon dioxide, by passing the dry gas with sufficient residence time, e.g. at least 1.5 s, through a layer of catalyst comprising a mixture of manganese oxide and copper oxide. The use of expensive noble metal catalysts to remove hydrogen may there…
Who is the assignee on this patent?
Air Prod & Chem
What technology area does this patent fall under?
Primary CPC classification C01B21/0416. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).