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Alumina-based desiccants modified with potassium, rubidium, and cesium cations: surface properties and kinetics of adsorption

Eugene Pavlovich Meshcheryakov 1
Eugene Pavlovich Meshcheryakov
, 
Mariya Petrovna Shcherbakova-Sandu 1
Mariya Petrovna Shcherbakova-Sandu
,  , 
Irina Alexandrovna Kurzina 1
Irina Alexandrovna Kurzina
1 Department of Chemistry, National Research Tomsk State University, 634050 Tomsk, Russian Federation
2 G. K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russian Federation
10.71267/mencom.7669
Published 2025-05-21
Communication , Volume 35, Issue 4, 490-492
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Meshcheryakov E. P. et al. Alumina-based desiccants modified with potassium, rubidium, and cesium cations: surface properties and kinetics of adsorption // Mendeleev Communications. 2025. Vol. 35. No. 4. pp. 490-492.
GOST all authors (up to 50) Copy
Meshcheryakov E. P., Shcherbakova-Sandu M. P., Reshetnikov S. I., Kurzina I. A. Alumina-based desiccants modified with potassium, rubidium, and cesium cations: surface properties and kinetics of adsorption // Mendeleev Communications. 2025. Vol. 35. No. 4. pp. 490-492.
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TY - JOUR
DO - 10.71267/mencom.7669
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7669
TI - Alumina-based desiccants modified with potassium, rubidium, and cesium cations: surface properties and kinetics of adsorption
T2 - Mendeleev Communications
AU - Meshcheryakov, Eugene Pavlovich
AU - Shcherbakova-Sandu, Mariya Petrovna
AU - Reshetnikov, Sergey Ivanovich
AU - Kurzina, Irina Alexandrovna
PY - 2025
DA - 2025/05/21
PB - Mendeleev Communications
SP - 490-492
IS - 4
VL - 35
ER -
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@article{2025_Meshcheryakov,
author = {Eugene Pavlovich Meshcheryakov and Mariya Petrovna Shcherbakova-Sandu and Sergey Ivanovich Reshetnikov and Irina Alexandrovna Kurzina},
title = {Alumina-based desiccants modified with potassium, rubidium, and cesium cations: surface properties and kinetics of adsorption},
journal = {Mendeleev Communications},
year = {2025},
volume = {35},
publisher = {Mendeleev Communications},
month = {May},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7669},
number = {4},
pages = {490--492},
doi = {10.71267/mencom.7669}
}
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Meshcheryakov, Eugene Pavlovich, et al. “Alumina-based desiccants modified with potassium, rubidium, and cesium cations: surface properties and kinetics of adsorption.” Mendeleev Communications, vol. 35, no. 4, May. 2025, pp. 490-492. https://mendcomm.colab.ws/publications/10.71267/mencom.7669.
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Keywords

acid–base properties
alumina
kinetics
modification
water adsorption.

Abstract

The effect of γ-Al2O3 modification with the cations K+, Rb+, and Cs+ on its textural characteristics and acid-base and adsorption properties with respect to water was studied. The kinetics of water vapor adsorption on the test samples was described by the Gluckauf equation to model processes occurring under the influence of internal diffusion. The adsorption capacity of the modified materials was approximately 30-40% higher than that of the unmodified Al2O3.

Funders

Ministry of Education and Science of the Russian Federation
project no. FSWM-2020-0037