摘要:
Disclosed is a carbon dioxide gas processing apparatus including an oxidization vessel for producing a magnesium oxide by oxidizing magnesium-containing powder in an atmosphere of a gas such as a carbon dioxide gas that contains oxygen as a constituent element thereof, a carbonate production tank that reserves water or a water solution therein and that introduces the magnesium containing oxygen as a constituent element produced in the oxidization vessel, and a carbon dioxide gas supplying means for supplying carbon dioxide gas to the carbonate production tank.