Synthesis of silicalite-poly(furfuryl alcohol) composite membranes for oxygen enrichment from air

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Abstract

Silicalite-poly(furfuryl alcohol) [PFA] composite membranes were prepared by solution casting of silicalite-furfuryl alcohol [FA] suspension on a porous polysulfone substrate and subsequent in situ polymerization of FA. X-ray diffraction, nitrogen sorption, thermogravimetric analysis, scanning electron microscopy, and energy-dispersive X-ray spectroscopy were used to characterize silicalite nanocrystals and silicalite-PFA composite membranes. The silicalite-PFA composite membrane with 20 wt.% silicalite loading exhibits good oxygen/nitrogen selectivity (4.15) and high oxygen permeability (1,132.6 Barrers) at 50°C. Silicalite-PFA composite membranes are promising for the production of oxygen-enriched air for various applications. © 2011 He et al.

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He, L., Li, D., Wang, K., Suresh, A. K., Bellare, J., Sridhar, T., & Wang, H. (2011). Synthesis of silicalite-poly(furfuryl alcohol) composite membranes for oxygen enrichment from air. Nanoscale Research Letters, 6, 1–9. https://doi.org/10.1186/1556-276X-6-637

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