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Absolute Adsorption Isotherms for Pseudocumene + n-Octane + Zeolite NaX System: Determination of the Activity Coefficients of the Adsorbed Phase

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Abstract

The excess adsorption isotherms of pseudocumene from solutions in n-octane in zeolite NaX have been measured at 303.15, 338.15 and 363.15 K using the conventional static method. The absolute (limiting) adsorption values of the pure components have been measured by the pycnometric method. The absolute adsorption isotherms for the system have been calculated using a non-fitting three parameter equation, based on the modified Dubinin–Radushkevich one. The absolute adsorption data are then used for estimation of average adsorbate density and activity coefficients of the components in the adsorbed phase.

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  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071, Moscow, Russia

    Eduard S. Jakubov

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  1. Eduard S. Jakubov
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Correspondence to Eduard S. Jakubov.

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Eduard S. Jakubov Absolute Adsorption Isotherms for Pseudocumene + n-Octane + Zeolite NaX System: Determination of the Activity Coefficients of the Adsorbed Phase. Prot Met Phys Chem Surf 57, 437–444 (2021). https://doi.org/10.1134/S2070205121030254

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  • DOI: https://doi.org/10.1134/S2070205121030254

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