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Computational Fluid Dynamic Modeling and Experimental Validation of Adsorption-Based CO2 Separation From Flue Gas
Mansur Aliyu1, Mahmoud M Abdelnaby1, Akolade Idris Bakare1
1IRC - Hydrogen Technologies and Carbon Management (HTCM), King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
ACS Omega
|March 17, 2025
Summary
This study investigated vapor
Area of Science:
- Materials Science
- Chemical Engineering
Background:
- Activated carbon is crucial for CO2 capture.
- Understanding vapor's impact on CO2 adsorption is vital for process optimization.
Purpose of the Study:
- To investigate the effect of vapor on CO2 dynamic adsorption using a novel activated carbon.
- To validate a numerical model with experimental data and perform parametric studies.
Main Methods:
- Dynamic Vapor Sorption (DVS) experiments were conducted.
- Breakthrough experiments were performed for CO2/N2 mixtures.
- A numerical model was developed and validated.
Main Results:
- DVS data revealed a type V isotherm, indicating constrained adsorption.
- The numerical model showed an adsorption efficiency of approximately 89%.
- Increased flow rate and humidity reduced breakthrough time.
Conclusions:
- Vapor presence significantly influences CO2 adsorption dynamics.
- The novel activated carbon shows promising efficiency for CO2 capture.
- Process parameters like flow rate and humidity require careful control.
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