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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Deng, Z.
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Publications (6/6 displayed)
- 2021Slow carrier relaxation in tin-based perovskite nanocrystals
- 2020A flexible and free-standing FeS/sulfurized polyacrylonitrile hybrid anode material for high-rate sodium-ion storagecitations
- 2011Fluorescein functionalized random amino acid copolymers in the biomimetic synthesis of CaCO3citations
- 2010Nanocomposite MFI-alumina membranes prepared via pore-pugging synthesis: Application as packed-bed membrane reactors for m-xylene isomerization over a Pt-HZSM-5 catalystcitations
- 2010Nanocomposite MFI-alumina hollow fibre membranes prepared via pore-plugging synthesis: Influence of the porous structure of hollow fibres on the gas/vapour separation performancecitations
- 2010Synthesis and characterization of nanocomposite B-MFI-alumina hollow fibre membranes and application to xylene isomer separationcitations
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article
Synthesis and characterization of nanocomposite B-MFI-alumina hollow fibre membranes and application to xylene isomer separation
Abstract
In this study, Al-MFI and B-MFI hollow fibre membranes with nanocomposite architecture have been prepared by pore-plugging hydrothermal synthesis at 443 K for 89 h using a precursor clear solution with the molar composition 1 SiO2: 0.45 TPAOH: 27.8 H2O: (0.01 H3BO3). The structure and morphology of the synthesized materials has been analyzed by XRD, FTIR, ICP-AES, MAS-NMR, SEM and single gas permeation, reflecting in the case of B-MFI samples partial isomorphous substitution of framework Al and Si by boron (up to 1 B atom/uc). The separation performance of the membranes has been evaluated by n-butane/H-2 and xylene isomer separations. The B-MFI hollow fibre membranes show improved separation performance towards p-xylene separation compared to conventional Al-based MFI-alumina hollow fibre membranes. Pre-adsorption of n-hexane or TMB has little effect on ternary xylene separation, suggesting the absence of intercrystalline mesoporous domains. (C) 2010 Elsevier Inc. All rights reserved.