Adsorption of hexane, cyclohexane, and benzene on microporous carbon obtained by pyrolysis of hypercrosslinked polystyrene |
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Authors: | L D Asnin and V A Davankov |
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Abstract: | The relationships of adsorption of hexane, cyclohexane, and benzene on a D4609 microporous carbon adsorbent obtained by the
pyrolysis of hypercrosslinked polystyrene are compared. It is shown that in the range of relative pressures corresponding
to the filling of ultramicropores, the adsorption behaviors of cyclohexane and benzene are essentially identical, in contrast
to hexane, which is characterized by higher adsorption values and isosteric heat of adsorption. The observed relationships
are explained by the steric features of the distribution of molecules of various structures in ultramicropores. |
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