Article (Scientific journals)
Thermodynamic modeling of CO2 absorption in aqueous solutions of N,N-diethylethanolamine (DEEA) and N-methyl-1,3-propanediamine (MAPA) and their mixtures for carbon capture process simulation
Mouhoubi, Seloua; Dubois, Lionel; Loldrup Fosbøl, Philip et al.
2020In Chemical Engineering Research and Design, 158, p. 46-63
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Abstract :
[en] Carbone capture by absorption-regeneration technology is a well-known process. However, the development and utilization of new solvents remains crucial to lower its energy consumption. Therefore, an accurate thermodynamic modeling is essential for the process simulation and optimization. This work focuses on the thermodynamic modeling of CO2 absorption in aqueous solutions of N,N-diethylethanolamine (DEEA), N-methyl- 1,3-propanediamine (MAPA) and their mixtures using electrolyte NRTL model. A novel thermodynamic modeling of DEEA-H2O-CO2, MAPA-H2O-CO2 and DEEA-MAPA-H2O-CO2 systems was developed. The modeling was carried out by considering the pure vapor pressures, excess enthalpies, dielectric constants, physical solubilities of CO2, partial and total pressures experimental data. The predicted and correlated data such as vapor-liquid equilibrium (VLE) and heat ofCO2 absorption were compared favorably to experimental data from the literature. Liquid-liquid phase separation of a specific mixture of these two amines was also highlighted. Subsequently, the developed model could be used for further simulations at large scale considering that successful validation was performed at pilot scale.
Disciplines :
Chemical engineering
Environmental sciences & ecology
Chemistry
Author, co-author :
Mouhoubi, Seloua
Dubois, Lionel  
Loldrup Fosbøl, Philip
De Weireld, Guy ;  Université de Mons > Faculté Polytechnique > Service de Thermodynamique, Physique mathématiques
Thomas, Diane  ;  Université de Mons > Faculté Polytechnique > Service de Génie des Procédés chimiques et biochimiques
Language :
English
Title :
Thermodynamic modeling of CO2 absorption in aqueous solutions of N,N-diethylethanolamine (DEEA) and N-methyl-1,3-propanediamine (MAPA) and their mixtures for carbon capture process simulation
Publication date :
04 March 2020
Journal title :
Chemical Engineering Research and Design
ISSN :
0263-8762
Publisher :
Institute of Chemical Engineers, United Kingdom
Volume :
158
Pages :
46-63
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
F505 - Génie des Procédés chimiques et biochimiques
F506 - Thermodynamique, Physique mathématiques
Research institute :
R200 - Institut de Recherche en Energie
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