Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
73710 | Microporous and Mesoporous Materials | 2013 | 4 Pages |
Separation of Xe/Kr mixtures was studied in two copper-paddlewheel metal-organic framework materials, MOF-505 and HKUST-1. For MOF-505, which has small pores with strong adsorption sites, high Xe/Kr selectivities (9–10) are obtained from breakthrough measurements and grand canonical Monte Carlo (GCMC) simulations. The consistent results from both techniques suggest that MOF-505 is a promising candidate for Xe/Kr separation. For HKUST-1, which has small octahedral pores, only modest Xe/Kr selectivities (4.5) are observed from breakthrough measurements, although the GCMC simulations predicted unusually high selectivities at low loadings.
Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► MOF-505 shows high Xe/Kr selectivity from both experiments and simulations. ► The experimental selectivities for MOF-505 (9–10) are among the highest ones reported. ► HKUST-1 shows modest experimental selectivity in breakthrough measurements.