Thermodynamic modeling of the solubility of CO2 in aqueous alkanolamine solutions using the extended UNIQUAC model Application to monoethanolamine and methyldiethanolamine

Leila Faramarzi; Georgios Kontogeorgis; Kaj Thomsen; Erling Halfdan Stenby

doi:10.1016/j.egypro.2009.01.114

Thermodynamic modeling of the solubility of CO2 in aqueous alkanolamine solutions using the extended UNIQUAC model Application to monoethanolamine and methyldiethanolamine

Leila Faramarzi, Georgios Kontogeorgis, Kaj Thomsen, Erling Halfdan Stenby

Department of Chemical and Biochemical Engineering

Research output: Contribution to journal › Conference article › Research › peer-review

Abstract

The extended UNIQUAC model as proposed by Thomsen and Rasmussen [K. Thomsen, P. Rasmussen, Chem. Eng. Sci. 54 (1999) 1787-1802] was applied to the thermodynamic representation of carbon dioxide absorption in aqueous monoethanolamine (MEA) and methyldiethanolamine (MDEA) solutions. All the essential parameters of the model are simultaneously regressed to a set of data on the MEA and MDEA systems. Freezing point depression, vapor liquid equilibrium (VLE) and excess enthalpy (H-E) data of the binary systems of MEA-water and MDEA-water, VLE data on the ternary CO2-MEA-water as well as CO2-MDEA-water systems in a wide range of temperature (-20-200 degrees C) were used. The application of the model to a large number of experimental data for representation of total pressure over the absorbent solutions (25-200 degrees C), correlation of the excess enthalpy and freezing point depression of the binary solutions of alkanolamine and water and also calculation of pure alkanolamine vapor pressure has been performed with good precision. (C) 2008 Elsevier Ltd. All rights reserved.

Original language	English
Journal	GREENHOUSE GAS CONTROL TECHNOLOGIES 9
Volume	1
Issue number	1
Pages (from-to)	861-867
ISSN	1876-6102
DOIs	https://doi.org/10.1016/j.egypro.2009.01.114
Publication status	Published - 2009
Event	9th International Conference on Greenhouse Gas Control Technologies - Washington, DC, United States Duration: 16 Nov 2008 → 20 Nov 2008 Conference number: 9 http://mit.edu/ghgt9/

Conference

Conference	9th International Conference on Greenhouse Gas Control Technologies
Number	9
Country/Territory	United States
City	Washington, DC
Period	16/11/2008 → 20/11/2008
Internet address	http://mit.edu/ghgt9/

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title = "Thermodynamic modeling of the solubility of CO2 in aqueous alkanolamine solutions using the extended UNIQUAC model Application to monoethanolamine and methyldiethanolamine",

abstract = "The extended UNIQUAC model as proposed by Thomsen and Rasmussen [K. Thomsen, P. Rasmussen, Chem. Eng. Sci. 54 (1999) 1787-1802] was applied to the thermodynamic representation of carbon dioxide absorption in aqueous monoethanolamine (MEA) and methyldiethanolamine (MDEA) solutions. All the essential parameters of the model are simultaneously regressed to a set of data on the MEA and MDEA systems. Freezing point depression, vapor liquid equilibrium (VLE) and excess enthalpy (H-E) data of the binary systems of MEA-water and MDEA-water, VLE data on the ternary CO2-MEA-water as well as CO2-MDEA-water systems in a wide range of temperature (-20-200 degrees C) were used. The application of the model to a large number of experimental data for representation of total pressure over the absorbent solutions (25-200 degrees C), correlation of the excess enthalpy and freezing point depression of the binary solutions of alkanolamine and water and also calculation of pure alkanolamine vapor pressure has been performed with good precision. (C) 2008 Elsevier Ltd. All rights reserved.",

author = "Leila Faramarzi and Georgios Kontogeorgis and Kaj Thomsen and Stenby, {Erling Halfdan}",

year = "2009",

doi = "10.1016/j.egypro.2009.01.114",

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journal = "Energy Procedia",

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note = "9th International Conference on Greenhouse Gas Control Technologies, GHGT-9 ; Conference date: 16-11-2008 Through 20-11-2008",

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}

Thermodynamic modeling of the solubility of CO2 in aqueous alkanolamine solutions using the extended UNIQUAC model Application to monoethanolamine and methyldiethanolamine. / Faramarzi, Leila; Kontogeorgis, Georgios ; Thomsen, Kaj et al.
In: GREENHOUSE GAS CONTROL TECHNOLOGIES 9, Vol. 1, No. 1, 2009, p. 861-867.

Research output: Contribution to journal › Conference article › Research › peer-review

TY - GEN

T1 - Thermodynamic modeling of the solubility of CO2 in aqueous alkanolamine solutions using the extended UNIQUAC model Application to monoethanolamine and methyldiethanolamine

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AU - Kontogeorgis, Georgios

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AU - Stenby, Erling Halfdan

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AB - The extended UNIQUAC model as proposed by Thomsen and Rasmussen [K. Thomsen, P. Rasmussen, Chem. Eng. Sci. 54 (1999) 1787-1802] was applied to the thermodynamic representation of carbon dioxide absorption in aqueous monoethanolamine (MEA) and methyldiethanolamine (MDEA) solutions. All the essential parameters of the model are simultaneously regressed to a set of data on the MEA and MDEA systems. Freezing point depression, vapor liquid equilibrium (VLE) and excess enthalpy (H-E) data of the binary systems of MEA-water and MDEA-water, VLE data on the ternary CO2-MEA-water as well as CO2-MDEA-water systems in a wide range of temperature (-20-200 degrees C) were used. The application of the model to a large number of experimental data for representation of total pressure over the absorbent solutions (25-200 degrees C), correlation of the excess enthalpy and freezing point depression of the binary solutions of alkanolamine and water and also calculation of pure alkanolamine vapor pressure has been performed with good precision. (C) 2008 Elsevier Ltd. All rights reserved.

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ER -

Thermodynamic modeling of the solubility of CO2 in aqueous alkanolamine solutions using the extended UNIQUAC model Application to monoethanolamine and methyldiethanolamine

Abstract

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