Thermodynamic modeling of carbon dioxide absorption in methyldiethanolamine aqueous solutions

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najafloo azam

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Journal Paper

Paper Information

Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2019 | Volume:38 | Issue:2 (92) Page(s): 183-194

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Title

Thermodynamic modeling of carbon dioxide absorption in methyldiethanolamine aqueous solutions

Author(s)

najafloo azam | Issue Writer Certificate

Keywords

Carbon dioxide absorptionQ2

Chemical equilibriumQ1

MDEA aqueous solutionQ1

SAFT-HR equation of stateQ1

Abstract

The natural gas as the most important alternative oil resources for providing energy is taken into consideration in recent years. Since the operational and environmental problems are created by some compounds in natural gas, so it must be refined in order to use it. CO2 is one of these compounds. On the other hand, today the world is faced with the problem of minimizing greenhouse emissions. Among these gases, CO2 is considered to be the major contributor due to its abundance. The absorption of CO2 into alkanolamine chemical solvents is one of the most common methods for capturing CO2. In this report, the SAFT-HR equation of state is used to determine the solubility of CO2 in aqueous methyldiethanolamine solutions. By using the available parameters in the articles and adjusted parameters in this work, the prediction of equilibrium solubility of CO2 for the temperature range of 298-413. 15 K and the pressure range of 0. 11-5036. 7 kPa is done. The Average Absolute Deviation Percent (AAD%) in temperatures of 298-313-323-328-333-343-348-353-358-373-393-413 is equal to 47. 45%, 39. 9%, 36. 5%, 8. 8%, 17. 6%, 6. 6%, 29. 2%, 10. 5%, 10. 7%, 27. 2%, 6. 4%, 4. 5%, respectively. The average absolute deviation for all of the data points is found to be 27. 9%.

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APA: Copy

najafloo, azam. (2019). Thermodynamic modeling of carbon dioxide absorption in methyldiethanolamine aqueous solutions. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 38(2 (92) ), 183-194. SID. https://sid.ir/paper/388477/en

Vancouver: Copy

najafloo azam. Thermodynamic modeling of carbon dioxide absorption in methyldiethanolamine aqueous solutions. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2019;38(2 (92) ):183-194. Available from: https://sid.ir/paper/388477/en

IEEE: Copy

azam najafloo, “Thermodynamic modeling of carbon dioxide absorption in methyldiethanolamine aqueous solutions,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 38, no. 2 (92) , pp. 183–194, 2019, [Online]. Available: https://sid.ir/paper/388477/en

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