System for conversion of carbon dioxide into carbon monoxide in ironworks
2011
A conversion system of the present invention is characterized in that a metal oxide having oxygen ion conductivity and reversible oxygen deficiency is brought into contact directly with a blast furnace gas or a converter furnace gas while heating to reduce carbon dioxide in the blast furnace gas or the converter furnace gas through a stoichiometric reaction, thereby producing carbon monoxide, and that waste heat generated in an ironworks is utilized as a heat source for the heating. This conversion system is also characterized in that a metal oxide having oxygen ion conductivity and reversible oxygen deficiency is brought into contact with carbon dioxide separated from a blast furnace gas or a converter furnace gas while heating to reduce carbon dioxide through a stoichiometric reaction, thereby producing carbon monoxide, and that waste heat generated in an ironworks is utilized as a heat source for the heating.
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