METHOD OF CAPTURING CARBON DIOXIDE

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PROBLEM TO BE SOLVED : To provide a method capable of capturing a large amount of carbon dioxide quickly and safely, thereby mitigating the increase of carbon dioxide concentration on the earth. SOLUTION : The method of capturing the carbon dioxide includes steps of : (1) electrolyzing saturated aqueous salt solution to obtain sodium hydroxide; (2) adding sodium hydroxide into sea water to convert magnesium chloride and calcium chloride in the sea water into magnesium hydroxide and calcium hydroxide; and (3) introducing the carbon dioxide into water containing magnesium hydroxide and calcium hydroxide to convert into magnesium carbonate and calcium carbonate. COPYRIGHT : (C)2010, JPO&INPIT