The present invention relates to an absorbent coating solution manufacturing method comprising the steps of: preparing a metal organic framework adsorbent (MOF); drying the MOF adsorbent at a high temperature in vacuum; drying a porous zeolite-based adsorbent at a high temperature in the vacuum; pulverizing the dried MOF adsorbent to the size of 30 to 50% of the original particle size; mixing the dried zeolite-based adsorbent and the dried and pulverized MOF adsorbent; aging the mixed adsorbent at a high temperature; and mixing and stirring the high-temperature aged adsorbent with a solvent and a binder to manufacture an adsorption tower coating solution in a gel form.;COPYRIGHT KIPO 2020
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