Adsorption-stimulated deformation of microporous carbon adsorbent |
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Authors: | Yakovlev V. Yu. Fomkin A. A. Tvardovski A. V. Sinitsyn V. A. Pulin A. L. |
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Affiliation: | (1) Tver State Technical University, 22 nab. Afanasiya Nikitina, 170026 Tver, Russian Federation;(2) Institute of Physical Chemistry, Russian Academy of Sciences, 31 Leninsky prosp., 119991 Moscow, Russian Federation |
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Abstract: | Deformation of the ACC microporous carbon adsorbent during adsorption of carbon dioxide, nitrogen, and argon in the temperature interval from 243 to 393 K and at pressures of 1—5·106 Pa was studied. The effect of adsorbent contraction was found in the initial temperature interval at relatively low pressures. However, the negative value of relative linear deformation L/L smoothly transforms into positive values with the pressure increase. Only the effect of adsorbent expansion is observed at high temperatures in the whole pressure interval. The dependence of the deformation effects for different systems on the adsorbent nature was revealed. |
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Keywords: | adsorption active carbon adsorption deformation carbon dioxide nitrogen argon high pressures |
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