Binary and Ternary Adsorption of n-Alkane Mixtures on Activated Carbon

Calculation and Prediction of Adsorption Excesses on the Ternary Liquid Mixture/Air Interface from Surface Tension Measurements

“…[19]- [22] for smoothing interpolations or predictions of surface tension data the quantitative results of calculated surface excess data are comparable in all cases. The following representations are based on the smoothing interpolation of experimental surface tension data using the Wang-Fu equation.…”

“…The maximum positive excess of n-propanol from the ternary mixture is about 3.5 µmol/m 2 . Thus, the adsorption excesses on the liquid/air surface lie in the same order of magnitude as adsorption excesses from liquid mixtures on the liquid/solids surface (6,19). This shows that the adsorption competition between the liquid/air surface and the liquid/hard flat solid surface has to be considered (5).…”

“…The three binary surface tension data sets having been described by nonlinear regression analysis using Eq. [19], the ternary data can be predicted using Eq. [20].…”

Prediction of Ternary Liquid Adsorption on Solids from Binary Data

“…If the activity coefficients of the binary mixtures are described by a Redlich-Kister polynomial and the adsorption excess isotherms by a Bi-Langmuir equation, an equation proposed by Kind or also by a Redlich-Kister polynomial (Eqs. [6]- [8] in (8) …”

“…[8], [11], and [12] to calculate the natural logarithms of activity coefficients of the kth component in the sorption phase (5). For the calculation of the wetting enthalpy and wetting entropy, the Gibbs wetting energy, which can be estimated from adsorption isotherms (6),…”