In this study, dynamic modeling and analysis of carbon dioxide adsorption in a hybrid honeycomb adsorbent bed composed of activated carbon, zeolite 13X, and carbon molecular sieve were investigated. The rationale for using this hybrid adsorbent is to take advantage of the complementary properties of its components. Activated carbon provides high specific surface area and diverse diffusion pathways, zeolite 13X offers polar and cationic sites with strong affinity toward CO₂, and carbon molecular sieve contributes microporous structure and molecular sieving effects, which can enhance adsorption capacity and dynamic column performance. In addition, the honeycomb structure provides regular flow channels, reduces pressure drop, and improves gas–solid mass transfer during the adsorption process. A mathematical model was developed based on gas-phase mass balance, the linear driving force kinetic model, and adsorption equilibrium isotherms. The model was validated using experimental adsorption capacity data and the main trends of breakthrough behavior. The results showed that increasing pressure enhanced CO₂ adsorption capacity, whereas increasing temperature decreased adsorption capacity, which is consistent with the exothermic nature of physical adsorption. The optimized adsorbent composition containing 30 wt% zeolite 13X and 70 wt% CMS showed the best performance within the investigated operating range. Sensitivity analysis indicated that pressure, adsorbent composition, and temperature were the most influential parameters affecting CO₂ adsorption capacity. The main contribution of this work is the conversion of experimental data for a hybrid honeycomb adsorbent into a validated dynamic modeling framework for analyzing adsorption capacity, breakthrough behavior, and the effects of operating parameters.