Faculté des sciences

Recent Developments in the Context of the Dubinin-Astakhov Equation

Stoeckli, Fritz ; Lavanchy, A. ; Kraehenbuehl, F.

In: Adsorption at the Gas-Solid and Gas-Liquid Interface, 1982, p. 201-209

The present work deals with two important aspects of the Dubinin-Astakhov equation, the fundamental relation of the theory for the filling of micropores. First, the theoretical basis of this equation is examined in the framework of a possible model, which leads to a reasonable agreement with experimental results. Secondly, it is shown how the D-A equation leads to an exact relation for the... Plus

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    Summary
    The present work deals with two important aspects of the Dubinin-Astakhov equation, the fundamental relation of the theory for the filling of micropores. First, the theoretical basis of this equation is examined in the framework of a possible model, which leads to a reasonable agreement with experimental results. Secondly, it is shown how the D-A equation leads to an exact relation for the calculation of enthalpies of immersion of microporous carbons into organic liquids. So far, this relation has been tested with more than 35 systems (10 carbons and 8 liquids).