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Cited by 296

The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.

Molecular Simulation Studies of Separation of CO2/N2, CO2/CH4, and CH4/N2 by ZIFs

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Liu, Bei, Smit, Berend·2010·The Journal of Physical Chemistry C

Abstract

In this work, molecular simulations were performed to evaluate the separation performance of two typical zeolitic imidazolate frameworks (ZIFs), ZIF-68 and ZIF-69, for CO 2 /N 2, CO 2 /CH 4, and CH 4 /N 2 mixtures. To do this, we first identified a suitable force field for describing CO 2, N 2, and CH 4 adsorption in ZIFs. On the basis of the validated force field, adsorption selectivities of the three mixtures in these ZIFs were simulated then. The results show that ZIF-69 is more beneficial for separating CO 2 from CO 2 -related mixtures than ZIF-68, mainly due to the presence of chlorine atoms in cbIM linkers in the former for the pressures we have considered. The overall separation performances of these two ZIFs for separating the chosen mixtures are comparable to typical MOFs and zeolites. In addition, this work demonstrates that the electrostatic interactions produced by the frameworks are very important for achieving high adsorption separation selectivities in ZIFs, and ideal adsorbed solution theory (IAST) may be applicable to ZIFs. Furthermore, the effect of water on the separation performance of the two ZIFs was also investigated.

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Metadata

Authors
Liu, B., & Smit, B.
Venue
The Journal of Physical Chemistry C
Published
2010-04-15
Volume
114
Issue
18
Pages
8515-8522
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W2035814934
Cited by
296
References
55
FWCI
14.56
Type
journal article
Language
en
Open access
green

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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