ZIF-67 as silver-bullet in Adsorptive Propane/Propylene Separation
KAUST DepartmentChemical Engineering Program
KAUST Catalysis Center (KCC)
Physical Science and Engineering (PSE) Division
Online Publication Date2018-11-16
Print Publication Date2019-03
Permanent link to this recordhttp://hdl.handle.net/10754/629938
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AbstractThe cobalt-based ZIF-67 has been evaluated for the adsorptive propylene/propane separation in a fixed bed. Characterization techniques and dynamic measurements have been performed over ZIF-67 to evaluate its potential in this defiant process. Cobalt promotes a more rigid framework than zinc in the isostructural ZIF-8. Although the adsorption affinity of ZIF-67 for both hydrocarbons is similar, the lower flexibility of the framework makes ZIF-67 behaving with a clear preference towards propane. This inverse selectivity promotes the enrichment in propylene content upon breakthrough, and may simplify the separation scheme. Therefore, ZIF-67 adsorptive separation is presented as an alternative to energy-demanding distillation.
CitationAndres-Garcia E, Oar-Arteta L, Gascon J, Kapteijn F (2018) ZIF-67 as silver-bullet in Adsorptive Propane/Propylene Separation. Chemical Engineering Journal. Available: http://dx.doi.org/10.1016/j.cej.2018.11.118.
SponsorsTU Delft is gratefully acknowledged for funding this research. This project has also received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 704473 of LOA.
JournalChemical Engineering Journal