Oxidation method of carbon monoxide, carbon monoxide oxidation device, air purifier, and gas mask

摘要

As a method for oxidizing carbon monoxide, a step of oxidizing carbon monoxide gas in a mixed gas containing carbon monoxide gas and oxygen gas with oxygen gas in the mixed gas at a temperature of 100 ° C. or less in the presence of a catalyst, the mixed gas comprising The hydrogen chloride concentration is less than 1% by volume, and the catalyst is selected from the group consisting of a rutile crystal-type titanium oxide carrier and a ruthenium element-containing substance supported on the carrier, and the ruthenium element-containing substance is a metal ruthenium and ruthenium compound A method for oxidizing carbon monoxide, which is at least one kind, is provided.