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Cited by 431

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Unconventional, Highly Selective CO2 Adsorption in Zeolite SSZ-13

Open access
Hudson, Matthew R., Queen, Wendy L., Mason, Jarad A., Fickel, Dustin W., Lobo, Raul F., Brown, Craig M.·2012·Journal of the American Chemical Society

Abstract

Low-pressure adsorption of carbon dioxide and nitrogen was studied in both acidic and copper-exchanged forms of SSZ-13, a zeolite containing an 8-ring window. Under ideal conditions for industrial separations of CO(2) from N(2), the ideal adsorbed solution theory selectivity is >70 in each compound. For low gas coverage, the isosteric heat of adsorption for CO(2) was found to be 33.1 and 34.0 kJ/mol for Cu- and H-SSZ-13, respectively. From in situ neutron powder diffraction measurements, we ascribe the CO(2) over N(2) selectivity to differences in binding sites for the two gases, where the primary CO(2) binding site is located in the center of the 8-membered-ring pore window. This CO(2) binding mode, which has important implications for use of zeolites in separations, has not been observed before and is rationalized and discussed relative to the high selectivity for CO(2) over N(2) in SSZ-13 and other zeolites containing 8-ring windows.

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Metadata

Authors
Hudson, M. R., Queen, W. L., Mason, J. A., Fickel, D. W., Lobo, R. F., & Brown, C. M.
Venue
Journal of the American Chemical Society
Published
2012-01-19
Volume
134
Issue
4
Pages
1970-1973
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2060802267
Cited by
431
References
36
FWCI
16.61
Type
journal article
Language
en
Open access
green

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