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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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Casimiro, M. H.
International Atomic Energy Agency
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2021Chitosan/PVA Based Membranes Processed by Gamma Radiation as Scaffolding Materials for Skin Regenerationcitations
- 2020Thermochromism of highly luminescent photopolymer flexible films based on Eu (III) salts confined in polysulfonecitations
- 2019Ionizing Radiation for Preparation and Functionalization of Membranes and Their Biomedical and Environmental Applicationscitations
- 2014PVA composite catalytic membranes for hyacinth flavour synthesis in a pervaporation membrane reactorcitations
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article
PVA composite catalytic membranes for hyacinth flavour synthesis in a pervaporation membrane reactor
Abstract
Composite catalytic membranes consisting of poly(vinyl alcohol) cross-linked with glutaraldehyde and H-USY zeolite dispersed into the polymeric matrix were prepared and used in the hyacinth flavour synthesis by acetalization of phenylacetaldehyde and glycerol. In order to study the effects of catalyst loading, polymer cross-linking and hydrophilic/hydrophobic balance in the catalytic behaviour of the prepared membranes, catalytic runs were performed in batch conditions and in a pervaparation assisted catalytic membrane reactor. It was found that polymer cross-linking strongly affects the membranes' sorption and transport properties which seem to improve with the increase of catalyst loading. Results also evidence that permeation in membrane reactor was well accomplished with good selectivity to water. The catalytic membranes were characterized by measurement of thickness, water contact angles and swelling degree as well as by Fourier transform infrared spectroscopy (FTIR), atomic force microscopy (AFM) and scanning electron microscopy (SEM). © 2014 Elsevier B.V. All rights reserved.