Xylene separation on a diverse library of exchanged faujasite zeolites

Abstract : For the first time, a systematic, consistent domain exploration has been conducted on mono-and bi-cationic exchanged X and Y faujasites for xylene separation using a combinatorial approach. In total, a large, diverse library of 68 faujasites exchanged with alkali cations (Na + , K + , Cs +) and alkali earth cations (Ca 2+ , Ba 2+) was prepared and tested in the presence of three distinct mixture conditions of relevance to the separation process. From the measurements of the 68 x 3 breakthrough curves, we calculated separation performances for the three xylene isomers (p-, m-, oX), EB, and PDEB. The set of performance properties generated for each adsorbent was analyzed by statistical methods enabling sorting into different classes of selective adsorbents. The overall result is the first exhaustive mapping of exchanged faujasites for xylene separation.
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https://hal-ifp.archives-ouvertes.fr/hal-01581778
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Submitted on : Wednesday, September 13, 2017 - 10:27:45 AM
Last modification on : Thursday, February 7, 2019 - 5:04:16 PM

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Yoldes Khabzina, Catherine Laroche, Javier Pérez-Pellitero, David Farrusseng. Xylene separation on a diverse library of exchanged faujasite zeolites. Microporous and Mesoporous Materials, Elsevier, 2017, 247, pp.52 - 59. ⟨10.1016/j.micromeso.2017.03.026⟩. ⟨hal-01581778⟩

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