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dc.contributor.authorBloch, ED-
dc.contributor.authorQueen, WL-
dc.contributor.authorKrishna, R-
dc.contributor.authorZadrozny, JM-
dc.contributor.authorBrown, CM-
dc.contributor.authorLong, JR-
dc.identifier.citationBloch, E. D., Queen, W. L., Krishna, R., Zadrozny, J. M., Brown, C. M., & Long, J. R. (2012). Hydrocarbon separations in a metal-organic framework with open iron(II) coordination sites. Science, 335(6076), 1606. doi:10.1126/science.1217544en_AU
dc.description.abstractThe energy costs associated with large-scale industrial separation of light hydrocarbons by cryogenic distillation could potentially be lowered through development of selective solid adsorbents that operate at higher temperatures. Here, the metal-organic framework Fe2(dobdc) (dobdc4– : 2,5-dioxido-1,4-benzenedicarboxylate) is demonstrated to exhibit excellent performance characteristics for separation of ethylene/ethane and propylene/propane mixtures at 318 kelvin. Breakthrough data obtained for these mixtures provide experimental validation of simulations, which in turn predict high selectivities and capacities of this material for the fractionation of methane/ethane/ethylene/acetylene mixtures, removal of acetylene impurities from ethylene, and membrane-based olefin/paraffin separations. Neutron powder diffraction data confirm a side-on coordination of acetylene, ethylene, and propylene at the iron(II) centers, while also providing solid-state structural characterization of the much weaker interactions of ethane and propane with the metal. © 2012, American Association for the Advancement of Science (AAAS)en_AU
dc.publisherAmerican Association for the Advancement of Science (AAAS)en_AU
dc.subjectCarbon dioxideen_AU
dc.titleHydrocarbon separations in a metal-organic framework with open iron(II) coordination sitesen_AU
dc.typeJournal Articleen_AU
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