Adsorption of Binary Liquid Adsorption On Solids
This section describes the surface coverage when the adsorbate is in liquid phase and is a binary mixture
For ideal both phases - no lateral interactions, homogeneous surface - the composition of a surface phase for a binary liquid system in contact with solid surface is given by a classic Everett isotherm equation (being a simple analogue of Langmuir equation), where the components are interchangeable (i.e. "1" may be exchanged to "2") without change of eq. form:
where the normal definition of multicomponent system is valid as follows :
By simple rearrangement, we get
This equation describes competition of components "1" and "2".
Read more about this topic: Langmuir Adsorption Model
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