CFD analysis of CO₂ adsorption in different adsorbents including activated carbon, zeolite and Mg-MOF-74
by Yasir Jamil; Mohamed A. Habib; Medhat A. Nemitallah
International Journal of Global Warming (IJGW), Vol. 13, No. 1, 2017

Abstract: The present study focuses on modelling of a CO₂ adsorption system in different adsorbents including activated carbon, zeolite and metal organic frameworks (MOFs) as one of the most promising methods for post-combustion carbon capture. Heat and mass transfer features of the numerical model are validated against the available experimental in the literature. The adsorption characteristics of CO₂ in activated carbon are studied in detail under fixed pressure of 2 bar. This is followed by comparisons between different adsorbents including activated carbon, zeolite and MOFs. The effects of storage pressure on adsorption are studied for different adsorbents for a range of pressure from 20 kPa to 100 kPa. For all adsorbents, the results showed high adsorption at the entrance and near wall regions. The adsorption capacity of all adsorbents has been increased by increasing the storage pressure. Mg-MOF-74 adsorption material resulted in the highest adsorption capacity as compared to other materials.

Online publication date: Mon, 14-Aug-2017

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