To design and use adsorbers, adsorption kinetic properties must be determined. Several experimental methods and many analysis techniques for determining intraparticle diffusivity have been proposed for single- and multi-component adsorption systems. However, determining values from experimental data of multi-component adsorption systems requires trial and error curve-fitting of experimental with theoretical curves. Furthermore, adsorption calculations of multi-component systems are complicated. For example, displacement adsorption, which causes concentration overshoot phenomena, is troublesome when analyzing experimental data. This report focuses on a simple alternative analysis technique for determining the values of each component from binary-component adsorption uptake curves. This new analysis method was established for binary-component and pore diffusion-controlling adsorption systems, and enables to analyze binary-component uptake curves by use of single-component uptake curves. Treatment of the equilibrium relation is significant when calculating single-component adsorption uptake curves. This method is useful to analyze experimental results, even if the results show concentration overshoot.