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Modeling (vapour-liquid) and (vapour-liquid-liquid) equilibria of {water (H2O) + methanol (MeOH) + dimethyl ether (DME) + carbon dioxide (CO2)} quaternary system using the Peng-Robinson EoS with Wong-Sandler mixing rule

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Ye,  Kongmeng
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
International Max Planck Research School (IMPRS), Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Freund,  Hannsjörg
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Sundmacher,  Kai
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

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Citation

Ye, K., Freund, H., & Sundmacher, K. (2011). Modeling (vapour-liquid) and (vapour-liquid-liquid) equilibria of {water (H2O) + methanol (MeOH) + dimethyl ether (DME) + carbon dioxide (CO2)} quaternary system using the Peng-Robinson EoS with Wong-Sandler mixing rule. The Journal of Chemical Thermodynamics, 43(12), 2002-2014. doi:10.1016/j.jct.2011.07.016.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-8DDD-2
Abstract
The (vapor-liquid) equilibria (VLE) and (vapor-liquid-liquid) equilibria (VLLE) binary data from literature were correlated using the Peng-Robinson (PR) Equation of State (EoS) with the Wong-Sandler mixing rule (WS). Two group contribution activity models were used in the PRWS: UNIFAC-PSRK and UNIFAC-Lby. The systems were successfully extrapolated from the binary systems to ternary and quaternary systems. Results indicate that the PRWS-UNIFAC-PSRK generally displays a better performance than the PRWS-UNIFAC-Lby. copyright 2011 Elsevier Ltd. All rights reserved. [accessed August 31st 2011]