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Cited by 332

The DOI matches its Crossref record; 23 of the 23 references it cites were found in a registry or an index.

Tailoring Pore Properties of MCM-48 Silica for Selective Adsorption of CO2

Kim, Sangil, Ida, Junichi, Guliants, Vadim V., Lin, Y. S.·2005·The Journal of Physical Chemistry B

Abstract

Four different types of amine-attached MCM-48 silicas were prepared and investigated for CO(2) separation from N(2). Monomeric and polymeric hindered and unhindered amines were attached to the pore surface of the MCM-48 silica and characterized with respect to their CO(2) sorption properties. The pore structures and amino group content in these modified silicas were investigated by XRD, FT-IR, TGA, N(2) adsorption/desorption at 77 K and CHN/Si analysis, which confirmed that in all cases the amino groups were attached to the pore surface of MCM-48 at 1.5-5.2 mmol/g. The N(2) adsorption/desorption analysis showed a considerable decrease of the pore volume and surface area for the MCM-48 silica containing a polymeric amine (e.g., polyethyleneimine). The CO(2) adsorption rates and capacities of the amine-attached MCM-48 samples were studied employing a sorption microbalance. The results obtained indicated that in addition to the concentration of surface-attached amino groups, specific interactions between CO(2) and the surface amino groups, and the resultant pore structure after amine group attachment have a significant impact on CO(2) adsorption properties of these promising adsorbent materials.

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Metadata

Authors
Kim, S., Ida, J., Guliants, V. V., & Lin, Y. S.
Venue
The Journal of Physical Chemistry B
Published
2005-03-11
Volume
109
Issue
13
Pages
6287-6293
ISSN
  • 1520-5207 (ISSN-L)
  • 1520-6106
OpenAlex
W2036211981
Cited by
332
References
23
FWCI
24.29
Type
journal article
Language
en
Open access
closed

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