Calculation of Single Component Adsorption Equilibria

With respect to an adsorption isotherm starting at / - 0 and ending at two special ranges can be distinguished, the 

The molar volume P(T) is inter-and extrapolated between the molar volume v, of the adsorptive at the normal boiling point and the van der Waals molar volume 

and are the absolute temperatures at the normal boiling point and at the critical point, respectively. Data of v, can be found in Reid et al. (1988). 

It is assumed that in the saturation range the loading capacity of the macropores is small in comparison to that of micropores. The Hemy coefficient of nonpolar adsorptives (H2, N2, O2, He, Kr, CH4, C2Hg, CjHg, etc.) adsorbed on non-chaiged adsorbents (active carbon, silicalite) is mainly depending on the critical pressme and the critical temperature of the adsorptive and the Hamaker constant Ha of the adsorbent (Maurer 2000) with /fOactive carbon = 6 x 10 ° J and 

However, dealing with polar adsorptives (NH3, CHF3, CH3OH, C2H2F4, etc.) the electrical properties 

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