ADSORBENT FOR CARBON DIOXIDE, METHOD OF PREPARING THE SAME AND CAPTURE MODULE FOR CARBON DIOXIDE

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PURPOSE : Provided are a carbon dioxide adsorbent capable of having an excellent adsorbing ability, operating high temperatures and being effectively used in pre-combustion carbon dioxide adsorption as well as in carbon dioxide combustion caused by combustion, a manufacturing method therefor, a carbon dioxide collecting module including the same, and a carbon dioxide adsorbing method using the same.CONSTITUTION : A carbon dioxide adsorbent is a structure including composite metal oxides, and the composite metal oxides includes an alkali metal, an alkali earth metal, wherein the composite metal oxides include a first metal (M1) selected from the alkali metal, the alkali earth metal and the combination thereof; and a second metal (M2) having three or more of an oxidation number, and the first metal and the second metal are connected by the oxygen (O) and the mesopore is included in the inside or the surface of the composite metal oxides.[Reference numerals] (S1) Produce first composite by adding the precursor of a second metal (M2) having three or more of an oxidation number in polar solvent; (S2) Produce partly hydrated composite by mixing water; (S3) Produce second composite by adding precursor of first metal (M1); (S4) Produce wet gel by adding water to induce hydrolysis; (S5) Plasticize wet gelCOPYRIGHT KIPO 2013