Figure 34.

Example of validation of simulated transient histories against experimental data for adsorption of CO₂ and N₂ in zeolite 13X using a basic 4-step VSA cycle. Evolution of CO₂ purity (a), temperature histories at three locations in the column (b), pressure history for one cycle at CSS (c), CO₂ composition and flow rate at the outlet of the adsorption step (d), CO₂ composition and flow rate at the outlet of the blowdown step (e), CO₂ composition and flow rate at the outlet of the evacuation step (f). Symbols represent experimental data and lines indicate numerical simulations. Reprinted with permission from Estupiñan Perez et al.¹²⁰ Copyright 2019 Elsevier.