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Adsorption of pure CO2 on amine-functionalized SBA-15 mesoporous silica materials has been studied. Adsorbent materials were prepared by grafting the silica surface with aminopropyl (AP), ethylene-diamine (ED) and diethylene-triamine (DT) organosilane molecules. Materials so obtained were dried under air atmosphere at 110 °C and at room temperature. CO2 adsorption isotherms were carried out at 45 °C,...
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