Carbon dioxide solubility on ionic liquids
Keywords:
Solubility, CO2, salts solution thermodynamics, Setchenow’s coefficients, Duan-Sun modelAbstract
In this work, the carbon dioxide solubility onionic liquids was calculated using two models:The first model, which employs the Setchenow’scoefficients, depends on gas and ions into water.The second model is based on Duan y Sun datafitting. Aqueous water containing NaCl and KClwas used to calculate the carbon dioxide solubility,via the first model. On the other hand, the carbondioxide solubility into MgCl2 and Na2SO4 solutionswas calculated using the second model. Theresults indicated that the carbon dioxide solubilitydecreased when the salts concentration increased.
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References
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2. Markusson, N., et al., A socio-technical frameworkfor assessing the viability of carbon capture and storagetechnology. Technological Forecasting and SocialChange, (0).
3. Mergler, Y., et al., Solvents for CO2 capture. Structureactivityrelationships combined with vapour-liquidequilibriummeasurements. Energy Procedia, 2011. 4:p. 259-266.
4. Qanbari, F., et al., Storage of CO2 as hydrate beneath theocean floor. Energy Procedia, 2011. 4(0): p. 3997-4004.
5. Darwish, N.A. and N. Hilal, A simple model forthe prediction of CO2 solubility in H2O–NaCl system atgeological sequestration conditions. Desalination, 2010.260(1-3): p. 114-118.
6. Duan, Z., et al., An improved model for the calculationof CO2 solubility in aqueous solutions containing Na+,K+, Ca2+, Mg2+, Cl−, and SO42−. Marine Chemistry,2006. 98(2-4): p. 131-139.
7. Austegard, A., et al., Thermodynamic Models forCalculating Mutual Solubilities in H2O–CO2–CH4Mixtures. Chemical Engineering Research andDesign, 2006. 84(9): p. 781-794.
8. Sandler, S.I., Chemical, Biochemical and EngineeringThermodynamics. Forth Edition ed. 2006: John Wiley& Sonc.
9. Duan, Z. and R. Sun, An improved model calculatingCO2 solubility in pure water and aqueous NaCl solutionsfrom 273 to 533 K and from 0 to 2000 bar. ChemicalGeology, 2003. 193(3-4): p. 257-271.
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Published
2012-06-01
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Articles
How to Cite
Carbon dioxide solubility on ionic liquids. (2012). Avances: Investigación En Ingeniería, 9(1), 82-86. https://revistas.unilibre.edu.co/index.php/avances/article/view/2738
