Web30 de dez. de 2024 · LTA-, MFI-, and FAU-type zeolite membranes were prepared and the permeation and separation performances were determined for the ternary mixture of NH 3, H 2 S, and N 2. The FAU-type zeolite membrane with Si/Al = 1.35 showed a high enough NH 3 permeance and a NH 3 /N 2 separation factor. Web1 de set. de 2024 · Hierarchical MFI zeolites with open pores were synthesized by a temperature programmed dissolution-recrystallization post-treatment. By controlling the …
Hierarchy Control of MFI Zeolite Membrane towards Superior
Webmembrane with a NH3 permeance of 1.0 10×-7 mol/(m2.s.Pa) and a NH 3/H2 separation factor of ca. 30 at 50 °C. Recently, by using directly synthesized high-aspect-ratio zeolite MFI nanosheets, ultra-selective MFI membranes with unprecedented permeaces and separation factors for para- Web14 de mai. de 2015 · Efficient ceramic zeolite membranes for CO 2 /H 2 separation . D. Korelskiy, P. Ye, S. Fouladvand, S. Karimi, E. Sjöberg and J. Hedlund, J. Mater.Chem. A, 2015, 3, 12500 DOI: 10.1039/C5TA02152A . This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in … list of rights
High-performance ammonia-selective MFI nanosheet membranes
Webgeneral, b-oriented MFI zeolite membranes are deemed more suitable for accurate separation of p-/o-xylene mixture through the size-sieving mechanism (po[3] while … WebIn this study, we demonstrated that the introduction of hierarchy easily enabled concurrent thickness reduction and orientation control of zeolite membranes. Specifically, … WebZeolite membrane reactors (ZMRs) can withstand harsh conditions, allowing their operation over wide ranges of temperature and pressure. This paper reviews various aspects of ZMRs comprehensively, including separation performance, catalytic activity, preparation methods, and potential applications in various reactions. imitation styrofoam ceiling planks