Equilibrium Solubility of CO2 in Alkanolamines

Muhammad Waseem Arshad, Philip Loldrup Fosbøl, Nicolas von Solms, Hallvard Fjøsne Svendsen, Kaj Thomsen

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Abstract

Equilibrium solubility of CO2 were measured in aqueous solutions of Monoethanolamine (MEA) and N,N-diethylethanolamine(DEEA). Equilibrium cells are generally used for these measurements. In this study, the equilibrium data were measured from the calorimetry. For this purpose a reaction calorimeter (model CPA 122 from ChemiSens AB, Sweden) was used. The advantage of this method is being the measurement of both heats of absorption and equilibrium solubility data of CO2 at the same time. The measurements were performed for 30 mass % MEA and 5M DEEA solutions as a function of CO2 loading at three different temperatures 40, 80 and 120 ºC. The measured 30 mass % MEA and 5M DEEA data were compared with the literature data obtained from different equilibrium cells which validated the use of calorimeters for equilibrium solubility measurements.
Original languageEnglish
JournalEnergy Procedia
Volume51
Pages (from-to)217-223
ISSN1876-6102
DOIs
Publication statusPublished - 2014
Event7th Trondheim Conference on CO2 Capture, Transport and Storage - Trondheim, Norway
Duration: 5 Jun 20136 Jun 2013
Conference number: 7

Conference

Conference7th Trondheim Conference on CO2 Capture, Transport and Storage
Number7
CountryNorway
CityTrondheim
Period05/06/201306/06/2013

Bibliographical note

Copyright: 2013 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).

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