Journal
CHEMICAL ENGINEERING SCIENCE
Volume 65, Issue 11, Pages 3695-3698Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2010.02.044
Keywords
Adsorption; Selectivity; Separations; Purification; Air; Porous media
Categories
Funding
- Natural Science and Engineering Council of Canada(NSERC)
- Canadian Institute of Health Research (CIHR)
- NSERC
- Mexican National Council for Science and Technology(CONACYT)
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This work demonstrates the potential use of triamine-grafted pore-expanded mesoporous silica TRI-PE-MCM-41, for the removal of CO2 from nitrogen, oxygen and water vapor-containingmixtures. In addition to unprecedentedly high CO2 uptake at low pressure, high adsorption rate and stability, this material exhibited very high selectivity for CO2 over N-2 and O-2, regardless of the presence of moisture. It is thus highly suitable for use in CO2 removal from air, for example in airpurification and in closed-circuit breathing systems. (C) 2010 Elsevier Ltd. All rights reserved.
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