Measurement of Bubble Point Pressures and Critical Points of Carbon Dioxide and Chlorodifluoromethane Mixtures Using the Variable-Volume View Cell Apparatus

Jae Min Lee; Byung-Chul Lee; Chan-Hwi Cho

Korean Journal of Chemical Engineering, Vol.17, No.5, 510-515, September, 2000

Jae Min Lee, Byung-Chul Lee^†, and Chan-Hwi Cho¹

Department of Chemical Engineering, Hannam University, 133 Ojung-dong, Taeduk-gu, Taejon 306-791, Korea
¹Department of Chemical Engineering, Youngdong University, Youngdong-kun, Chungbuk 370-800, Korea

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The bubble point pressures and the critical points of carbon dioxide (CO2) and chlorodifluoromethane (HCFC-22) mixtures were measured by using a high-pressure experimental apparatus equipped with a variable-volume view cell, at various CO2 compositions in the range of temperatures above the critical temperature of CO2 and below the critical temperature of HCFC-22. The experimental bubble point pressure data were correlated with the Peng- Robinson equation of state (PR-EOS) to estimate the corresponding dew point compositions at equilibrium with the bubble point compositions. The experimentally measured bubble point pressures and the mixture critical points gave good agreement with chose calculated by the PR-EOS. The variable-volume view cell equipment was verified to be an easy and quick way to measure the bubble point pressures and the mixture critical points of high-pressure compressible fluid mixtures.

Keywords:Bubble Point Pressure;Mixture Critical Points;Carbon Dioxide (CO2);Chlorodifluoromethane (HCFC-22);Variable-Volume View Cell;Peng-Robinson Equation of State

[References]

Choi EJ, Yeo SD, J. Chem. Eng. Data, 43(5), 714 (1998)
Daubert TE, Danner RP, "Physical and Thermodynamic Properties of Pure Compounds: Data Compilation," Taylor and Francis, New York (1994)
Haschets CW, Shine AD, Macromolecules, 26, 5052 (1993)
Irani CA, Cozewith C, J. Appl. Polym. Sci., 31, 1879 (1986)
"IMSL Math/Library: Fortran Subroutines for Mathematical Applizations," Visual Numerics, Inc., 2, 868 (1994)
Knapp H, Doring R, Oellrich L, Plocker U, Prausnitz JM, "Vapor-Liquid Equilibria for Mixtures of Low Boiling Substances," DECHEMA Chemistry Data Series, Vol. VI, DECHEMA (1982)
Lee SH, LoStracco MA, McHugh MA, Macromolecules, 29(4), 1349 (1996)
Lim JS, Lee BC, Kim JD, Lee YW, Lee YY, "Experimental Measurements of Vapor-Liquid Equilibria for Systems Containing CFC and Halon Alternatives," Proceedings of 4th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics, June 2-6, Brussels, Belgium, 1, 525 (1997)
Nishiumi H, Akita H, Akiyama S, Korean J. Chem. Eng., 14(5), 359 (1997)
Park SB, Lee H, Korean J. Chem. Eng., 14(2), 146 (1997)
Prausnitz JM, Lichtenthaler RN, de Azevedo EG, "Molecular Thermodynimics of Fluid-Phase Equilibria," 2nd ed., Prentice-Hall Inc., Englewood Cliffs, NJ (1986)
Reid RC, Prausnitz JM, Poling BE, "The Properties of Gases and Liquids," 4th ed., McGraw-Hill Book Co., New York (1987)
Winnick J, "Chemical Engineering Thermodynamics," John Wiley & Sons, Inc., New York (1997)

[Referenced By]

[Related Articles]

[1] Choi EJ, Yeo SD, J. Chem. Eng. Data, 43(5), 714 (1998)

[2] Daubert TE, Danner RP, "Physical and Thermodynamic Properties of Pure Compounds: Data Compilation," Taylor and Francis, New York (1994)

[3] Haschets CW, Shine AD, Macromolecules, 26, 5052 (1993)

[4] Irani CA, Cozewith C, J. Appl. Polym. Sci., 31, 1879 (1986)

[5] "IMSL Math/Library: Fortran Subroutines for Mathematical Applizations," Visual Numerics, Inc., 2, 868 (1994)

[6] Knapp H, Doring R, Oellrich L, Plocker U, Prausnitz JM, "Vapor-Liquid Equilibria for Mixtures of Low Boiling Substances," DECHEMA Chemistry Data Series, Vol. VI, DECHEMA (1982)

[7] Lee SH, LoStracco MA, McHugh MA, Macromolecules, 29(4), 1349 (1996)

[8] Lim JS, Lee BC, Kim JD, Lee YW, Lee YY, "Experimental Measurements of Vapor-Liquid Equilibria for Systems Containing CFC and Halon Alternatives," Proceedings of 4th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics, June 2-6, Brussels, Belgium, 1, 525 (1997)

[9] Nishiumi H, Akita H, Akiyama S, Korean J. Chem. Eng., 14(5), 359 (1997)

[10] Park SB, Lee H, Korean J. Chem. Eng., 14(2), 146 (1997)

[11] Prausnitz JM, Lichtenthaler RN, de Azevedo EG, "Molecular Thermodynimics of Fluid-Phase Equilibria," 2nd ed., Prentice-Hall Inc., Englewood Cliffs, NJ (1986)

[12] Reid RC, Prausnitz JM, Poling BE, "The Properties of Gases and Liquids," 4th ed., McGraw-Hill Book Co., New York (1987)

[13] Winnick J, "Chemical Engineering Thermodynamics," John Wiley & Sons, Inc., New York (1997)