Article (Scientific journals)
Experimental study and kinetic model of monoethanolamineoxidative and thermal degradation for post-combustion CO2 capture
Léonard, Grégoire; Toye, Dominique; Heyen, Georges
2014In International Journal of Greenhouse Gas Control, 30, p. 171
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This is the accepted manuscript of the following article: "Experimental study and kinetic model of monoethanolamine oxidative and thermal degradation for post-combustion CO2 capture", which has been published in final form at http://www.sciencedirect.com/science/article/pii/S1750583614002758. DOI: 10.1016/j.ijggc.2014.09.014 © 2014. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/


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Keywords :
Post-combustion CO2 capture; Monoethanolamine degradation; Degradation kinetics
Abstract :
[en] In the present work, a kinetic model is proposed for the prediction of amine solvent degradation in the post-combustion CO2 capture process. Solvent degradation combined to the emission of degradation products represents one of the main operational drawbacks of this process. It induces additional costsand it impacts the process efficiency and its environmental balance. In the present work, degradation isstudied under accelerated conditions for the case of monoethanolamine solvent (MEA). The influence of the temperature and of the O2 and CO2 concentrations in the gas feed are studied, and their effect on theMEA loss and the emission of degradation products is quantified. Based on the experimental results, a kinetic model for both oxidative and thermal degradation of MEA is proposed and compared to previous attempts to model MEA degradation. The present kinetic model may be further used to develop a practical tool assessing solvent degradation in large-scale capture plants.
Research center :
Laborelec
Disciplines :
Chemical engineering
Author, co-author :
Léonard, Grégoire  ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Procédés et développement durable
Toye, Dominique  ;  Université de Liège - ULiège > Département de chimie appliquée > Génie de la réaction et des réacteurs chimiques
Heyen, Georges ;  Université de Liège - ULiège > Département de chimie appliquée > Département de chimie appliquée
Language :
English
Title :
Experimental study and kinetic model of monoethanolamineoxidative and thermal degradation for post-combustion CO2 capture
Publication date :
2014
Journal title :
International Journal of Greenhouse Gas Control
ISSN :
1750-5836
eISSN :
1878-0148
Publisher :
Elsevier B.V., Amsterdam, Netherlands
Volume :
30
Pages :
171
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
Available on ORBi :
since 08 November 2014

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