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Issue 14, 2012
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Experimental and theoretical investigations on the MMOF selectivity for CO2vs. N2 in flue gas mixtures

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Abstract

The adsorption capacity and selectivity of carbon dioxide and nitrogen at 298 K have been evaluated for two series of MMOFs built on metal paddle-wheel building units, including non-interpenetrated Zn(BDC)(TED)0.5 (1), Zn(BDC–OH)(TED)0.5 (2), Zn(BDC–NH2)(TED)0.5 (3), and interpenetrated Zn(BDC)(BPY)0.5 (4), Zn(BDC)(DMBPY)0.5 (5), Zn(NDC)(BPY)0.5 (6) and Zn(NDC)(DMBPY)0.5 (7) framework structures. The ideal adsorbed solution theory (IAST) has been employed to predict the adsorption selectivity of CO2–N2 binary mixtures on all seven MMOFs using single-component experimental adsorption isotherm data. The applicability of IAST to these systems is verified by GCMC simulations performed on both single- and multi-component gases.

Graphical abstract: Experimental and theoretical investigations on the MMOF selectivity for CO2vs. N2 in flue gas mixtures

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Supplementary files

Article information


Submitted
30 Nov 2011
Accepted
31 Jan 2012
First published
01 Mar 2012

Dalton Trans., 2012,41, 4232-4238
Article type
Paper

Experimental and theoretical investigations on the MMOF selectivity for CO2vs. N2 in flue gas mixtures

Z. Zhang, J. Liu, Z. Li and J. Li, Dalton Trans., 2012, 41, 4232
DOI: 10.1039/C2DT12301K

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