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Adsorption of Toluene Vapors on Some Organomontmorillonites

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Abstract

The changes in the surface properties and porous structure of montmorillonite are investigated upon the substitution of tetramethylammonium or pyridinium cations for exchange Na+ cations. It is established that preliminary thermal treatment in vacuum substantially affects the adsorption properties of tetramethylammonium and pyridinium montmorillonites in relation to toluene. The dependences of the heats of adsorption and desorption on the amount of adsorbed substance are determined in a wide temperature range using the results of measuring the isosters of toluene adsorption and desorption by dehydrated organomontmorillonites.

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Authors and Affiliations

  1. Academy of Sciences of Uzbekistan, Institute of General and Inorganic Chemistry, ul. Akademika Abdullaeva 77a, Tashkent, 700170, Uzbekistan

    S. Z. Muminov, D. B. Gulyamova & E. A. Seitova

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  1. S. Z. Muminov
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  2. D. B. Gulyamova
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  3. E. A. Seitova
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Muminov, S.Z., Gulyamova, D.B. & Seitova, E.A. Adsorption of Toluene Vapors on Some Organomontmorillonites. Colloid Journal 65, 594–598 (2003). https://doi.org/10.1023/A:1026127907875

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