Amine-bearing mesoporous silica for CO(2) and H(2)S removal from natural gas and biogas

Triamine-grafted pore-expanded mesoporous silica (TRI-PE-MCM-41) exhibited high CO(2) and H(2)S adsorption capacity as well as high selectivity toward acid gases versus CH(4). Unlike physical adsorbents such as zeolites and activated carbons, the presence of moisture in the feed enhanced the CO(2) r...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 25(2009), 23 vom: 01. Dez., Seite 13275-8
1. Verfasser: Belmabkhout, Youssef (VerfasserIn)
Weitere Verfasser: De Weireld, Guy, Sayari, Abdelhamid
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Amines Fossil Fuels MCM-41 Carbon Dioxide 142M471B3J Silicon Dioxide 7631-86-9 Hydrogen Sulfide YY9FVM7NSN
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520 |a Triamine-grafted pore-expanded mesoporous silica (TRI-PE-MCM-41) exhibited high CO(2) and H(2)S adsorption capacity as well as high selectivity toward acid gases versus CH(4). Unlike physical adsorbents such as zeolites and activated carbons, the presence of moisture in the feed enhanced the CO(2) removal capability of TRI-PE-MCM-41 without altering its H(2)S adsorption capacity. Thus, depending on the feed composition, CO(2) and H(2)S may be removed over TRI-PE-MCM-41 simultaneously or sequentially. These findings are suitable for acid gas separation from CH(4)-containing mixtures such as natural gas and biogas 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Sayari, Abdelhamid  |e verfasserin  |4 aut 
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