Abstract:This study provides comparative information about CO2 capture of raw and amine‐impregnated micro‐, meso‐, and macroporous support materials. Zeolite 4A (4A), activated carbon (AC), and pumice (P) were used as micro‐, meso‐, and macroporous support materials, respectively, and monoethanolamine (MEA) and diethanolamine (DEA) were used as the immobilized liquid. Adsorption of CO2 from CO2‐N2 mixtures (3–28%, v/v) was performed in a constant volume ‐variable pressure cell at 293 ± 2 K, and desorption of saturated s… Show more
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