Abstract: Na.sup.+-SAPO-34 sorbents were ion-exchanged with several individual metal cations for CO.sub.2 absorption at different temperatures (273-348 K) and pressures (<1 atm). In general, the overall adsorption performance of the exchanged materials increased as follows: Ce.sup.3+
Source: Removal of Carbon Dioxide from Gas Mixtures Using Ion-Exchanged Silicoaluminophosphates


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