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Open AccessTechnical Note
Technologies 2016, 4(3), 19; doi:10.3390/technologies4030019

Scale-Up Effects of CO2 Capture by Methyldiethanolamine (MDEA) Solutions in Terms of Loading Capacity

1
Centro de Recursos Naturais e Ambiente (CERENA), Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, s/n, Lisboa 1049-001, Portugal
2
Área Departamental de Engenharia Química (ADEQ), Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, R. Conselheiro Emídio Navarro 1, Lisboa 1959-007, Portugal
*
Author to whom correspondence should be addressed.
Academic Editor: Manoj Gupta
Received: 4 March 2016 / Revised: 7 June 2016 / Accepted: 22 June 2016 / Published: 28 June 2016
(This article belongs to the Special Issue Carbon Capture and Storage (CCS) Technologies)
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Abstract

In the present study, results from three different CO2 capture experimental scales (laboratory, pilot unit, and a larger pilot unit), using aqueous amine solutions of methyldiethanolamine (MDEA) 20 wt %, are compared in terms of loading capacity. All three tested scales produced results regarding CO2 absorption using MDEA aqueous solutions, which were largely in accordance with the theoretical loading capacity of the used amine. Nevertheless, the observed differences between the theoretical and actual absorption behaviors of MDEA solutions for the different scales can be justified with the relative weight that process variables exhibit when the process is scaled up. Therefore, in order to achieve a correct scale-up of the process, simulations should be performed in order to define the best set of operational parameters in order to achieve high production yields and therefore more process profitability. View Full-Text
Keywords: carbon dioxide; chemical absorption; aqueous amine solutions; scale-up; methyldiethanolamine (MDEA) carbon dioxide; chemical absorption; aqueous amine solutions; scale-up; methyldiethanolamine (MDEA)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Santos, S.P.; Gomes, J.F.; Bordado, J.C. Scale-Up Effects of CO2 Capture by Methyldiethanolamine (MDEA) Solutions in Terms of Loading Capacity. Technologies 2016, 4, 19.

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