Preparation method of porous composite consisting of alkali or alkali earth compound as oxide, hydr

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PURPOSE : A preparing method of a porous inorganic molded-body using an alkali metal salt compound and an alkaline earth metal salt compound is provided to easily control the reaction property of the porous inorganic molded-body without using an inorganic supporter or a polymer. CONSTITUTION : A preparing method of a porous inorganic molded-body comprises the following steps : mixing a paste with a metal salt compound selected from an alkali metal salt compound or an alkaline earth metal salt compound, and a solution containing organic acid salt and glycol; kneading the pasted with an organic solvent and aging the mixture; forming a molded body with the mixture; drying and sintering the molded body; and carbonating or hydrating the molded body. The alkali metal salt compound contains lithium, sodium, potassium, rubidium, or cesium.