DETERMINATION OF MULTICOMPONENT ADSORPTION EQUILIBRIA BY LIQUID-CHROMATOGRAPHY

Equilibrium relations for the glucose-sucrose-sorbitol-water system (a quaternary system) on 13X zeolite molecular sieves have been determin ed by an extension of the method suggested for a ternary system. The q uaternary and the constituent ternary adsorption equilibrium relations derived from chromatographic retention time measurements of binary sy stems are verified by comparing experimental retention times with that obtained from simulations and the equilibrium theory of bisolute syst ems respectively. The accuracy of the adsorption equilibria is further verified by the adsorbed phase concentrations predicted by the ideal adsorbed solution theory and potential theory.