R. Deshmukh, A. E. Mather, “A mathematical model for equilibrium solubility of hydrogen sulfide and carbon dioxide in aqueous alkanolamine solutions,” Journal of Chemical Engineering Science, vol. 36, pp. 355-362, 1981.
 M. Posey, K. G. Tapperson, G. T. Rochelle, “A simple model for prediction of acid gas solubilities in alkanolamines,” Journal of Gas Separation and Purification, vol. 1, pp. 181-186, 1996.
 P. Patil, Z. Malik, M. Jobson, “Prediction of CO2 and H2S Solubility in aqueous MDEA solutions using an extended Kent and Eisenberg model,” Institution of Chemical Engineers Symposium Series, vol. 152, pp. 498-510, 2006.
 P. Huttenhuis, N. J. Agrawal, G. F. Versteeg, “Solubility of Carbon Dioxide and Hydrogen Sulfide in Aqueous N-Methyldiethanolamine Solutions,” Journal of Industrial and Engineering Chemistry, vol. 48, pp. 4051–4059, 2009.
 Y. Zhang, H. Que, C. C. Chen, “Thermodynamic modelling for CO2 absorption in Aqueous MEA Solution with electrolyte NRTL model,” Journal of Fuel and Energy Abstracts, vol. 311, pp. 67-75, 2011.
 Y. Zhang, C. C. Chen, “Thermodynamic modelling for CO2 absorption in Aqueous MDEA Solution with electrolyte NRTL model,” Journal of Industrial and Engineering Chemistry, vol. 50, pp. 163-175, 2011.
 E. Hansen, “Aspen HYSYS and Aspen Plus simulation programs for CO2 absorption,” Master's thesis, Telemark University College, Faculty of Technology, 2011.
 L. E. Øi, “Removal of CO2 from exhaust gas,” M. C. Melaaen, revision of Ph.D. Dissertation Telemark University College Faculty of Technolo at porsgrumm, Norway, 2012.
 L. E. Øi, “Comparison of Aspen HYSYS and Aspen Plus simulation of CO2 absorption into MEA from atmospheric gas,” Journal of Energy procedia, vol. 23, pp. 360-369, 2012.
 Optimize the entire gas process with acid gas cleaning. Available at: http://www.Aspentech .com/ products/V8-releash-prior, August 2013.
 C. C. Chen, H. I. Britt, J. F. Boston, L. B. Evans, “Local composition model for excess Gibbs energy of electrolyte systems,” AIChE Journal, vol. 28, pp. 588, 1982.
 ASPEN Physical Property system, Physical Property Methods and Models, chap.11.1.
 M. L. Posey, G. T. Rochelle, “A Thermodynamic Model of Methyldiethanolamine-CO2-H2S-Water,” Industrial & Engineering Chemistry Research, vol. 36, pp. 3944-3953, 1997.
 R. S. Boumedine, S. Horstmann, K. Fischer, E. Provost, W. Furst, J. Gmehling, “Experimental determination of carbon dioxide solubility data in aqueous alkanolamine solutions,” Fluid Phase Equilibria, vol. 218, pp. 85-94, 2004.
 R. S. Boumedine, S. Horstmann, K. Fischer, E. Provost, W. Furst, J. Gmehling, “Experimental determination of hydrogen sulfide solubility data in aqueous alkanolamine solutions,” Fluid Phase Equilibria, vol. 218, pp. 149-155, 2004.
 M. Dicko, C. Coquelet, C. Jarne, S. Northrop, D. Richon, “Acid gases partial pressures above a 50 wt% aqueous methyldiethanolamine solution: Experimental work and modelling,” Fluid Phase Equilibria, vol. 289, pp. 99-109, 2010.
 F. Y. Jou, F. Otto, A. Mather, “The solubility of mixtures of H2S and CO2 in an MDEA solution,” The Canadian Journal of Chemical Engineering, vol. 75, pp. 1138-1141, 1997.
 P. Huttenhuis, N. J. Agrawal, G. F. Versteeg, “Solubility of carbon dioxide and hydrogen sulfide in aqueous N-methyldiethanolamine solutions,” Industrial & Engineering Chemistry Research, vol. 48, pp. 4051-4059, 2009.
 B. S. Ali, M. K. Aroua, “Effect of piperazine on CO2 loading in aqueous solutions of MDEA at low pressure,” International Journal of Thermophysics, vol. 25, pp. 1863-1870, 2004.
 S. Bishnoi, G. T. Rochelle, “Thermodynamics of piperazine/methyldiethanolamine/water/ carbon dioxide,” Industrial & Engineering Chemistry Research, vol. 41, pp. 604-612, 2002.