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https://hdl.handle.net/2440/112196
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DC Field | Value | Language |
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dc.contributor.author | Bae, T.-H. | - |
dc.contributor.author | Hudson, M. | - |
dc.contributor.author | Mason, J. | - |
dc.contributor.author | Queen, W. | - |
dc.contributor.author | Dutton, J. | - |
dc.contributor.author | Sumida, K. | - |
dc.contributor.author | Micklash, K. | - |
dc.contributor.author | Kaye, S. | - |
dc.contributor.author | Brown, C. | - |
dc.contributor.author | Long, J. | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | Energy and Environmental Science, 2013; 6(1):128-138 | - |
dc.identifier.issn | 1754-5692 | - |
dc.identifier.issn | 1754-5706 | - |
dc.identifier.uri | http://hdl.handle.net/2440/112196 | - |
dc.description.abstract | A 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.statementofresponsibility | Tae-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.iso | en | - |
dc.publisher | Royal Society of Chemistry | - |
dc.rights | This journal is © The Royal Society of Chemistry 2013 | - |
dc.source.uri | http://dx.doi.org/10.1039/c2ee23337a | - |
dc.title | Evaluation of cation-exchanged zeolite adsorbents for post-combustion carbon dioxide capture | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1039/c2ee23337a | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 8 Chemistry publications |
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