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Received July 28, 2003
Accepted October 21, 2003
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Density Correlation of Solubility of C. I. Disperse Orange 30 Dye in Supercritical Carbon Dioxide
School of Chemical Engineering and Technology, Yeungnam University, 214-1 Dae-dong, Gyeongsan City, Gyeongbuk 712-749, Korea 1School of Chemical and Biochemical Engineering, University of Ulsan, San 29, Moogeo-2-dong, Nam-gu, Ulsan 680-749, Korea 2Samill Industries, Ltd., Zone 2 of Seongseo Industrial Complex 2,Daecheon-dong, Dalseo-gu, Daegu 704-329, Korea
Korean Journal of Chemical Engineering, January 2004, 21(1), 230-235(6), 10.1007/BF02705403
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Abstract
The solubility of C. I. Disperse Orange 30 (O30) dye in CO2 has been measured by using a closed-loop (batch) solid-fluid equilibrium apparatus at temperatures between 313 and 393 K and at pressures between 11 and 33 MPa. Kumar and Johnston’s equation based on Chrastil’s concept has been used to describe the experimental solubility data. The solubility versus density plot appears much simpler than the solubility versus pressure plot. The isotherms are nearly straight and parallel to each other, as seen in the previous studies. Peng-Robinson equation of state (PR EOS) has also been used successfully in modeling the dye solubility in supercritical carbon dioxide as a function of pressure or density of the fluid phase. The validity of this method has been verified by the vapor pressure calculation.
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Chang KH, Bae HK, Shim JJ, Korean J. Chem. Eng., 13(3), 310 (1996)
Chrastil J, J. Phys. Chem., 86, 3016 (1982)
Fat'hi MR, Yamini Y, Sharghi H, Shamsipur M, J. Chem. Eng. Data, 43(3), 400 (1998)
Haarhaus U, Swidersky P, Schneider GM, J. Supercrit. Fluids, 8(2), 100 (1995)
Kautz CB, Wagner B, Schneider GM, J. Supercrit. Fluids, 13(1), 43 (1998)
Kumar SK, Johnston KP, J. Supercrit. Fluids, 1, 15 (1988)
Kurnik RT, Reid RC, AIChE J., 27, 861 (1981)
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Muthukumaran P, Gupta RB, Sung HD, Shim JJ, Bae HK, Korean J. Chem. Eng., 16(1), 111 (1999)
Ozcan AS, Clifford AA, Bartle KD, Lewis DM, J. Chem. Eng. Data, 42(3), 590 (1997)
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Swidersky P, Tuma D, Schneider GM, J. Supercrit. Fluids, 9(1), 12 (1996)
Tuma D, Schneider GM, J. Supercrit. Fluids, 13(1), 37 (1998)
