Intercalation of CO2 Selected by Type of Interlayer Cation in Dried Synthetic Hectorite

Clay minerals are abundant in caprock formations for anthropogenic storage sites for CO2, and they are potential capture materials for CO2 postcombustion sequestration. We investigate the response to CO2 exposure of dried fluorohectorite clay intercalated with Li+, Na+, Cs+, Ca2+, and Ba2+. By in si...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 39(2023), 14 vom: 11. Apr., Seite 4895-4903
1. Verfasser: Hunvik, Kristoffer W Bø (VerfasserIn)
Weitere Verfasser: Seljelid, Konstanse Kvalem, Wallacher, Dirk, Kirch, Alexsandro, Cavalcanti, Leide P, Loch, Patrick, Røren, Paul Monceyron, Michels-Brito, Paulo Henrique, Droppa-Jr, Roosevelt, Knudsen, Kenneth Dahl, Miranda, Caetano Rodrigues, Breu, Josef, Fossum, Jon Otto
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Clay minerals are abundant in caprock formations for anthropogenic storage sites for CO2, and they are potential capture materials for CO2 postcombustion sequestration. We investigate the response to CO2 exposure of dried fluorohectorite clay intercalated with Li+, Na+, Cs+, Ca2+, and Ba2+. By in situ powder X-ray diffraction, we demonstrate that fluorohectorite with Na+, Cs+, Ca2+, or Ba2+ does not swell in response to CO2 and that Li-fluorohectorite does swell. A linear uptake response is observed for Li-fluorohectorite by gravimetric adsorption, and we relate the adsorption to tightly bound residual water, which exposes adsorption sites within the interlayer. The experimental results are supported by DFT calculations 
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700 1 |a Seljelid, Konstanse Kvalem  |e verfasserin  |4 aut 
700 1 |a Wallacher, Dirk  |e verfasserin  |4 aut 
700 1 |a Kirch, Alexsandro  |e verfasserin  |4 aut 
700 1 |a Cavalcanti, Leide P  |e verfasserin  |4 aut 
700 1 |a Loch, Patrick  |e verfasserin  |4 aut 
700 1 |a Røren, Paul Monceyron  |e verfasserin  |4 aut 
700 1 |a Michels-Brito, Paulo Henrique  |e verfasserin  |4 aut 
700 1 |a Droppa-Jr, Roosevelt  |e verfasserin  |4 aut 
700 1 |a Knudsen, Kenneth Dahl  |e verfasserin  |4 aut 
700 1 |a Miranda, Caetano Rodrigues  |e verfasserin  |4 aut 
700 1 |a Breu, Josef  |e verfasserin  |4 aut 
700 1 |a Fossum, Jon Otto  |e verfasserin  |4 aut 
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