Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/112196
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dc.contributor.authorBae, T.-H.-
dc.contributor.authorHudson, M.-
dc.contributor.authorMason, J.-
dc.contributor.authorQueen, W.-
dc.contributor.authorDutton, J.-
dc.contributor.authorSumida, K.-
dc.contributor.authorMicklash, K.-
dc.contributor.authorKaye, S.-
dc.contributor.authorBrown, C.-
dc.contributor.authorLong, J.-
dc.date.issued2013-
dc.identifier.citationEnergy and Environmental Science, 2013; 6(1):128-138-
dc.identifier.issn1754-5692-
dc.identifier.issn1754-5706-
dc.identifier.urihttp://hdl.handle.net/2440/112196-
dc.description.abstractA series of zeolite adsorbents has been evaluated for potential application in post-combustion CO₂ capture using a new high-throughput gas adsorption instrument capable of measuring 28 samples in parallel. Among the zeolites tested, Ca-A exhibits the highest CO₂ uptake (3.72 mmol g⁻¹ and 5.63 mmol cm⁻³) together with an excellent CO₂ selectivity over N₂ under conditions relevant to capture from the dry flue gas stream of a coal-fired power plant. The large initial isosteric heat of adsorption of −58 kJ mol⁻¹ indicates the presence of strong interactions between CO₂ and the Ca-A framework. Neutron and X-ray powder diffraction studies reveal the precise location of the adsorption sites for CO₂ in Ca-A and Mg-A. A detailed study of CO₂ adsorption kinetics further shows that the performance of Ca-A is not limited by slow CO₂ diffusion within the pores. Significantly, Ca-A exhibited a higher volumetric CO₂ uptake and CO₂/N₂ selectivity than Mg₂(dobdc) (dobdc⁴⁻ = 1,4-dioxido-2,5-benzenedicarboxylate; Mg-MOF-74, CPO-27-Mg), one of the best performing adsorbents. The exceptional performance of Ca-A was maintained in CO₂ breakthrough simulations.-
dc.description.statementofresponsibilityTae-Hyun Bae, Matthew R. Hudson, Jarad A. Mason, Wendy L. Queen, Justin J. Dutton, Kenji Sumida, Ken J. Micklash, Steven S. Kaye, Craig M. Brown and Jeffrey R. Long-
dc.language.isoen-
dc.publisherRoyal Society of Chemistry-
dc.rightsThis journal is © The Royal Society of Chemistry 2013-
dc.source.urihttp://dx.doi.org/10.1039/c2ee23337a-
dc.titleEvaluation of cation-exchanged zeolite adsorbents for post-combustion carbon dioxide capture-
dc.typeJournal article-
dc.identifier.doi10.1039/c2ee23337a-
pubs.publication-statusPublished-
Appears in Collections:Aurora harvest 8
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