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Intercalation and R...
Intercalation and Retention of Carbon Dioxide in a Smectite Clay promoted by Interlayer Cations
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Michels, Leander (författare)
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Fossum, Jon Otto (författare)
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Rozynek, Zbigniew (författare)
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Hemmen, Henrik (författare)
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Rustenberg, Karin (författare)
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Sobas, P (författare)
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Kalantzopoulos, G (författare)
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Knudsen, Kenneth (författare)
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Janek, M (författare)
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- Plivelic, Tomás (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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da Silva, Geraldo (författare)
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(creator_code:org_t)
- 2015-03-05
- 2015
- Engelska.
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Ingår i: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 5
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http://dx.doi.org/10... (free)
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A good material for CO2 capture should possess some specific properties: (i) a large effective surface area with good adsorption capacity, (ii) selectivity for CO2, (iii) regeneration capacity with minimum energy input, allowing reutilization of the material for CO2 adsorption, and (iv) low cost and high environmental friendliness. Smectite clays are layered nanoporous materials that may be good candidates in this context. Here we report experiments which show that gaseous CO2 intercalates into the interlayer nano-space of smectite clay (synthetic fluorohectorite) at conditions close to ambient. The rate of intercalation, as well as the retention ability of CO2 was found to be strongly dependent on the type of the interlayer cation, which in the present case is Li1, Na1 or Ni21. Interestingly, we observe that the smectite Li-fluorohectorite is able to retain CO2 up to a temperature of 356C at ambient pressure, and that the captured CO2 can be released by heating above this temperature. Our estimates indicate that smectite clays, even with the standard cations analyzed here, can capture an amount of CO2 comparable to other materials studied in this context.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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- ref (ämneskategori)
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Michels, Leander
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Fossum, Jon Otto
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Rozynek, Zbignie ...
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Hemmen, Henrik
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Rustenberg, Kari ...
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Sobas, P
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visa fler...
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Kalantzopoulos, ...
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Knudsen, Kenneth
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Janek, M
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Plivelic, Tomás
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da Silva, Gerald ...
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visa färre...
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Lunds universitet