One-Pot Synthesis of High-Flux b-Oriented MFI Zeolite Membranes for Xe Recovery | Zendy

Xuerui Wang | Zendy; Pelin Karakiliç | Zendy; Xinlei Liu | Zendy; Meixia Shan | Zendy; Arian Nijmeijer | Zendy; Louis Winnubst | Zendy; Jorge Gascón | Zendy; Freek Kapteijn | Zendy

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One-Pot Synthesis of High-Flux b-Oriented MFI Zeolite Membranes for Xe Recovery

Author(s) -

Xuerui Wang,

Pelin Karakiliç,

Xinlei Liu,

Meixia Shan,

Arian Nijmeijer,

Louis Winnubst,

Jorge Gascón,

Freek Kapteijn

Publication year - 2018

Publication title -

acs applied materials and interfaces

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.535

H-Index - 228

eISSN - 1944-8252

pISSN - 1944-8244

DOI - 10.1021/acsami.8b12613

Subject(s) - membrane , zeolite , materials science , permeation , selectivity , crystallization , chemical engineering , amorphous solid , gas separation , diffusion , organic chemistry , catalysis , chemistry , thermodynamics , biochemistry , physics , engineering

We demonstrate that b-oriented MFI (Mobil Five) zeolite membranes can be manufactured by in situ crystallization using an intermediate amorphous SiO 2 layer. The improved in-plane growth by using a zeolite growth modifier leads to fusion of independent crystals and eliminates boundary gaps, giving good selectivity in the separation of CO 2 /Xe mixtures. The fast diffusion of CO 2 dominates the overall membrane selectivity toward the CO 2 /Xe mixture. Because of the straight and short [010] channels, the obtained CO 2 permeation fluxes are several orders of magnitude higher than those of carbon molecular sieving membranes and polymeric membranes, opening opportunities for Xe recovery from waste anesthetic gas.

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