Effect of particle size on adsorption kinetics of water vapor on porous aluminium oxide material

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Description	Size	Format
Effect of particle size on adsorption kinetics of water vapor on porous aluminium oxide material	1 MB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1088/1742-6596/1145/1/012033

Title: Effect of particle size on adsorption kinetics of water vapor on porous aluminium oxide material
Creator: Budaev, Zh.
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Livanova, Alesya V.
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Meshcheryakov, Eugene P.
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Kurzina, Irina A.
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Reshetnikov, Sergey I.
Date: 2019
DOI: 10.1088/1742-6596/1145/1/012033
Description: Influence of the grain size of aluminium oxide material, being a product of centrifugal thermal activation of hydrargillite, on adsorption kinetics of water vapors was studied. The material was characterized by the BET method and X-ray phase analysis (XRD). Influence of gas flow rate on adsorption dynamics was studied on a laboratory installation using McBain-Bakr quartz balance. It was shown that with the fraction size greater than 0.5-1.0 mm, the rate of water vapor adsorption on this adsorbent decreased, which was connected with the influence of internal diffusion resistance. On the base of the first-order kinetic equation for the water adsorption mathematical modeling was carried out. The kinetic parameters of the equation for the various grain size samples (0.25-0.5 mm and 0.5-1.0 mm and 3.7 x 6 mm granule) were determined.