Removal of Carbon Dioxide from Gas Mixtures Using Ion-Exchanged Silicoaluminophosphates

Hernandez-Maldonado, Arturo J [Inventor]Rivera-Ramos, Milton E [Inventor]Arevalo-Hidalgo, Ana G [Inventor]

关键词: CARBON DIOXIDE REMOVAL;    GAS MIXTURES;    PATENTS;   

RP-ID  :  US-Patent-10,052,610, US-Patent-Appl-SN-12/334,768

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来源: NASA Technical Reports Server

【 摘 要 】

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+