To provide a method for evaluating the selective oxidation ability of an employed catalyst at high accuracy in the selective oxidation of the carbon monoxide of a raw material gas containing hydrogen and carbon monoxide, and to provide a method of efficiently producing a gas containing high concentration hydrogen.
When the raw material gas containing hydrogen and carbon monoxide and a gas containing oxygen are caused to flow through a catalyst layer for selectively oxidizing the carbon monoxide of the raw material gas, a correlation between the position in the raw material flowing direction of the catalyst layer and the concentration of carbon monoxide or oxygen at the position of the layer is determined. The gas containing high concentration hydrogen can be produced by selectively oxidizing the carbon monoxide of the raw material gas in such a manner that the consumption peak position of carbon monoxide x
COPYRIGHT: (C)2008,JPO&INPIT
Takaya Matsumoto
Kimika Ishizuki
Adachi Tomoaki
Kato Emi
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Shiro Terasaki