NaKA sorbents with high CO2-over-N2 selectivity and high capacity to adsorb CO2

Qingling Liu; Amber Mace; Zoltan Bacsik; Junliang Sun; Aatto Laaksonen; Niklas Hedin

doi:10.1039/C000900H

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NaKA sorbents with high CO₂-over-N₂ selectivity and high capacity to adsorb CO₂†

Qingling Liu,^a Amber Mace,^a Zoltan Bacsik,^a Junliang Sun,^a Aatto Laaksonen*^a and Niklas Hedin*^a

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* Corresponding authors

^a Department of Materials and Environmental Chemistry, Berzelii Center EXSELENT on Porous Materials, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden
E-mail: aatto@mmk.su.se, niklas.hedin@mmk.su.se
Fax: +46-8152187
Tel: +46-8162417

Abstract

The uptake of carbon dioxide and nitrogen gas by zeolite NaKA was studied. A very high ideal CO₂-over-N₂ selectivity and a high CO₂ capacity were observed at an optimal K⁺ content of 17 at.%. NaKA is a very promising adsorbent for CO₂ separation from water-free flue gases.

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Supplementary files

Detailed descriptions of the experiments, analysis methods, SEM, adsorption data, XRD patterns, FTIR spectra, and computational modeling PDF (1158K)

Article information

DOI: https://doi.org/10.1039/C000900H
Article type: Communication
Submitted: 14 Jan 2010
Accepted: 15 Apr 2010
First published: 28 Apr 2010

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Chem. Commun., 2010,46, 4502-4504

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NaKA sorbents with high CO₂-over-N₂ selectivity and high capacity to adsorb CO₂

Q. Liu, A. Mace, Z. Bacsik, J. Sun, A. Laaksonen and N. Hedin, Chem. Commun., 2010, 46, 4502 DOI: 10.1039/C000900H

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