Abstract
1. Simultaneous adsorption of ethylene and propylene on active charcoal has been studied, at 7° and 25°. 2. The adsorption surfaces found greatly resemble those reported in an earlier paper for simultaneous adsorption of carbon dioxide and ethylene on the same sample of active charcoal. 3. Families of adsorption isosteres are constructed for each component separately and for both together, and the projections of the total adsorption isosteres on the plane ai = 0 shown to be straight lines. 4. The selectivity coefficient is shown to be constant in the section of constant total saturation of the active surface. 5. Formulas are derived for integral and differential heats of adsorption of the components from mixtures of gases. These formulas are used to calculate the partial differential heats of adsorption. 6. The question of partial two-dimensional pressures in a binary adsorption layer is considered, and a gross thermodynamic error by Innes and Rowley is pointed out.
Published Version
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