The equilibrium benzene vapor adsorption on alkylammonium montmorillonites
S. Z. MuminovInstitute of General and Inorganic Chemistry, Academy of Sciences of Uzbekistan, ul. Mirzo Ulugbeka 77a, Tashkent, 100170, UzbekistanD. A. KhandamovInstitute of General and Inorganic Chemistry, Academy of Sciences of Uzbekistan, ul. Mirzo Ulugbeka 77a, Tashkent, 100170, UzbekistanG. B. RakhimovaInstitute of General and Inorganic Chemistry, Academy of Sciences of Uzbekistan, ul. Mirzo Ulugbeka 77a, Tashkent, 100170, Uzbekistan
ABI
Аннотация
Changes in the surface properties and porous structure of montmorillonite have been studied upon substitution of exchangeable Na+ ions by methylammonium and ethylammonium cations. It has been found that the modification significantly affects adsorption properties of montmorillonite with respect to benzene. Based on measured isosteres of benzene adsorption/desorption by dehydrated samples of montmorillonite in Na+, CH3NH+ 3, and C2H5NH+ 3 forms, the heats of adsorption and desorption have been determined as functions of the amount of adsorbed substance.
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