Mathematical modeling of CO 2 absorption with ionic liquids in a membrane contactor, study of absorption kinetics and influence of temperature

Sohaib Qazi (1) , Lucía Gómez‐coma , Jonathan Albo (2) , Stéphanie Druon‐bocquet , Angel Irabien (2) , Mohammad Younas (1) , José Sanchez-Marcano (1, 3)

1 IEM - Institut Européen des membranes
2 Universidad de Cantabria [Santander]
3 UM - Université de Montpellier

BACKGROUND: This work presents a comprehensive study of CO 2 capture from CO 2 /N 2 mixtures in a hollow fiber membrane contactor (HFMC). The absorbents considered were three different ionic liquids (ILs): 1-Ethyl-3-methylimidazolium acetate ([emim][OAc]), 1-ethyl-3-methylimidazolium ethylsulfate ([emim][EtSO 4 ]) and 1-ethyl-3-methylimidazolium methyl sulfate ([emim][MeSO 4 ]). A comprehensive 2-D mathematical model for the transport of CO 2 was developed and solved for steady-state and pseudo steady-state modes. For pseudo steady-state mode, the 2-D model was linked with a dynamic model applied on a tank from which IL was recirculated into the shell side of the HFMC.

Domaines: Génie des procédés; Génie chimique

Sohaib Qazi, Lucía Gómez‐coma, Jonathan Albo, Stéphanie Druon‐bocquet, Angel Irabien, et al.. Mathematical modeling of CO 2 absorption with ionic liquids in a membrane contactor, study of absorption kinetics and influence of temperature. Journal of Chemical Technology and Biotechnology, 2020, 95 (7), pp.1844-1857. ⟨10.1002/jctb.6265⟩. ⟨hal-02930318⟩