Influence of the composition, structure, and physical and chemical properties of aluminium-oxide-based sorbents on water adsorption ability

doi:10.3390/ma11010132

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DOI Доступ к ресурсу на сайте издателя			10.3390/ma11010132

#оксид алюминия

#кислотно-основные свойства

#адсорбция воды

#кинетика

Title: Influence of the composition, structure, and physical and chemical properties of aluminium-oxide-based sorbents on water adsorption ability
Creator: Zotov, Ruslan
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Livanova, Alesia
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Minakova, Tamara S.
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Magaev, Oleg V.
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Isupova, Lyubov
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Kurzina, Irina A.
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Meshcheryakov, Eugene
Date: 2018
DOI: 10.3390/ma11010132
Description: Interaction between the water adsorption ability of aluminium-oxide-based sorbents and their chemical composition, acid-base properties of the surface, and textural characteristics has been analysed. Alumina desiccants were synthesized with the centrifugal-thermal activation of gibbsite followed by the hydration of the gibbsite under mild conditions. It was demonstrated that the multicyclic adsorption regeneration of samples under realistic conditions results in structural transformations and changes in the acidity of their surfaces and water adsorption ability. The modification of pseudoboehmite with alkali ions increases surface basicity and the dynamic capacity of adsorbents relating to water vapours. Equations have been presented that describe the adsorption and desorption processes taking place during water vapour adsorption with the materials studied.

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collection(s): Химический факультет | Научное управление
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Materials. 2018. Vol. 11, № 1. P. 132 (1-10)
Language: eng

Created: 16-10-2018

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Химический факультет Influence of the composition, structure, and physical and chemical properties of aluminium-oxide-based sorbents on water adsorption ability