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APPLICATION OF PENG-ROBINSON EQUATION TO HIGH-PRESSURE AQUEOUS SYSTEMS CONTAINING GASES AND SODIUM CHLORIDE
Korean Journal of Chemical Engineering, April 1991, 8(2), 88-94(7), 10.1007/BF02697382
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Abstract
A novel approach is proposed for modeling vapor-liquid equilbria in systems containing aqueous NaCl and supercritical gases. The Peng-Robinson equation of state is used for all species, with that salt treated as a hypothetical liquid component. To correctly model the highly non-ideal liquid solution, a two-fluid model is used for the mixing rules in the equation of state. Effective pure-component parameters are reported for NaCl as well as binary interaction parameters for all possible binaries. Representation of high-pressure phase equilbria data show good agreement with experimental data. The principal advantage of this approach is the ability to treat high pressure systems containing non-volatile salts, while maintaining the simplicity of a cubic equation of state.
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Chen CC, Britt HI, Boston JF, Evans LB, AIChE J., 28, 588 (1982)
Kumar A, Patwardhan VS, Can. J. Chem. Eng., 64, 831 (1986)
Zemaitis JF, Clark DM, Rafel M, Scrivner NC, Handbook of Aqueous Electrolyte Thermodynamics, Design Institute for Physical Property Data, New York (1986)
Prausnitz JM, Lichtenthaler RN, Azevedo EG, Molecular Thermodynamics of Fluid-Phase Equilibria, 2nd ed., Prentice-Hall, Englewood Cliffs, NJ (1986)
Peng DY, Robinson DB, Ind. Eng. Chem. Fundam., 15, 59 (1976)
Copeman TW, Stein FP, Fluid Phase Equilib., 35, 165 (1987)
Jin G, Donohue MD, Ind. Eng. Chem. Res., 27, 1073 (1988)
Harvey AH, Prausnitz JM, AIChE J., 35, 635 (1989)
Whitson CH, Soreide I, A Book to be Published (1990)
Khalil YF, Anderson TF, Lovand J, Petroleum Chemistry Division General Poster Session, ACS, Washington Meeting (1990)
Vachhani HN, Anderson TF, 75th Annual AIChE Meeting, Los Angles, November (1982)
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Takenouchi S, Kennedy GC, Am. J. Sci., 263, 445 (1965)
O'Sullivan TD, Smith NO, J. Phys. Chem., 74, 1460 (1970)
