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Adsorption deformation of a microporous AR-V carbon adsorbent during the adsorption of benzene

  • Physicochemical Processes at the Interfaces
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Abstract

Adsorption isotherms of benzene and adsorption-induced deformation of the AR-V microporous carbon adsorbent in the pressure range from 1 Pa to 14 kPa and at temperatures from 255 to 353 K have been determined. Contraction of the AR-V adsorbent is observed at temperatures of 333 and 353 K in the lowpressure area, which changes into expansion with an increase in pressure. In a low-temperature area (255–313 K), only expansion of the AR-V adsorbent is observed in the whole range of the studied pressures. The value of the maximal relative compression of the adsorbent changes from 0.18 to 0.08%, while the corresponding temperature varies from 353 to 333 K. The maximal relative expansion changes from 0.9 to 0.05% along with an increase in the corresponding temperature from 293 to 353 K.

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Authors and Affiliations

  1. Tver State Technical University, nab. Af. Nikitina 22, Tver, 170026, Russia

    V. V. Nabiulin & A. V. Tvardovskii

  2. A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    A. A. Fomkin

Authors
  1. V. V. Nabiulin
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  2. A. A. Fomkin
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  3. A. V. Tvardovskii
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Correspondence to V. V. Nabiulin.

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Original Russian Text © V.V. Nabiulin, A.A. Fomkin, A.V. Tvardovskii, 2012, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2012, Vol. 48, No. 4, pp. 333–336.

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Nabiulin, V.V., Fomkin, A.A. & Tvardovskii, A.V. Adsorption deformation of a microporous AR-V carbon adsorbent during the adsorption of benzene. Prot Met Phys Chem Surf 48, 398–401 (2012). https://doi.org/10.1134/S2070205112040120

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  • DOI: https://doi.org/10.1134/S2070205112040120

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