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Article

Gas Porosimetry by Gas Adsorption as an Efficient Tool for the Assessment of the Shaping Effect in Commercial Zeolites

1
TOTAL EP—Pôle d’Etudes et de Recherche de Lacq (PERL), BP 64170 Lacq, France
2
Laboratoire des Fluides Complexes et leurs Réservoirs, Université de Pau et des Pays de l’Adour, E2S UPPA, CNRS, 64600 Anglet, France
3
MINES ParisTech, Center of Geosciences, PSL University, CEDEX, 77305 Fontainebleau, France
4
Université de Poitiers—IC2MP, UMR 7285 CNRS, 86073 Poitiers, France
*
Authors to whom correspondence should be addressed.
Academic Editor: Diego Cazorla-Amorós
Nanomaterials 2021, 11(5), 1205; https://doi.org/10.3390/nano11051205
Received: 27 March 2021 / Revised: 21 April 2021 / Accepted: 23 April 2021 / Published: 1 May 2021
(This article belongs to the Special Issue Nanostructured Materials for Adsorption)
A set of three commercial zeolites (13X, 5A, and 4A) of two distinct shapes have been characterized: (i) pure zeolite powders and (ii) extruded spherical beads composed of pure zeolite powders and an unknown amount of binder used during their preparation process. The coupling of gas porosimetry experiments using argon at 87 K and CO2 at 273 K allowed determining both the amount of the binder and its effect on adsorption properties. It was evidenced that the beads contain approximately 25 wt% of binder. Moreover, from CO2 adsorption experiments at 273 K, it could be inferred that the binder present in both 13X and 5A zeolites does not interact with the probe molecule. However, for the 4A zeolite, pore filling pressures were shifted and strong interaction with CO2 was observed leading to irreversible adsorption of the probe. These results have been compared to XRD, IR spectroscopy, and ICP-AES analysis. The effect of the binder in shaped zeolite bodies can thus have a crucial impact on applications in adsorption and catalysis. View Full-Text
Keywords: zeolite; binder; CO2; gas porosimetry; adsorption zeolite; binder; CO2; gas porosimetry; adsorption
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MDPI and ACS Style

Orsikowsky-Sanchez, A.; Franke, C.; Sachse, A.; Ferrage, E.; Petit, S.; Brunet, J.; Plantier, F.; Miqueu, C. Gas Porosimetry by Gas Adsorption as an Efficient Tool for the Assessment of the Shaping Effect in Commercial Zeolites. Nanomaterials 2021, 11, 1205. https://doi.org/10.3390/nano11051205

AMA Style

Orsikowsky-Sanchez A, Franke C, Sachse A, Ferrage E, Petit S, Brunet J, Plantier F, Miqueu C. Gas Porosimetry by Gas Adsorption as an Efficient Tool for the Assessment of the Shaping Effect in Commercial Zeolites. Nanomaterials. 2021; 11(5):1205. https://doi.org/10.3390/nano11051205

Chicago/Turabian Style

Orsikowsky-Sanchez, Alejandro; Franke, Christine; Sachse, Alexander; Ferrage, Eric; Petit, Sabine; Brunet, Julien; Plantier, Frédéric; Miqueu, Christelle. 2021. "Gas Porosimetry by Gas Adsorption as an Efficient Tool for the Assessment of the Shaping Effect in Commercial Zeolites" Nanomaterials 11, no. 5: 1205. https://doi.org/10.3390/nano11051205

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