Liquid.liquid equilibrium for the quaternary system water + tetrahydrofuran + n-heptane + butyl acetate mixture at 25 ℃ and atmospheric pressure

Young-Kyu Kim; Dong-Won Park

Journal of Industrial and Engineering Chemistry, Vol.14, No.5, 602-607, September, 2008

DOI10.1016/j.jiec.2008.04.006 Export Citation

Liquid.liquid equilibrium for the quaternary system water + tetrahydrofuran + n-heptane + butyl acetate mixture at 25 ℃ and atmospheric pressure

Young-Kyu Kim, and Dong-Won Park^†

Department of Chemical Engineering, Dong-A University, Busan 604-714, Republic of Korea

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Liquid.liquid equilibrium for the quaternary system water + tetrahydrofuran + n-heptane + butyl acetate mixture was measured at 25 ℃ and atmospheric pressure. Binodal curves, tie-lines, distribution, and selectivity for the quaternary system have been determined in order to investigate the effect of using binary solvents, n-heptane and butyl acetate, on extracting tetrahydrofuran from aqueous solution. In addition, these experimental tie-line data were also compared with the values predicted by the UNIFAC model. It is found that the UNIFAC group interaction parameters used for LLE could not provide a good prediction.

Keywords:Liquid.liquid equilibrium;Quaternary system;Ternary system;UNIFAC;Tetrahydrofuran

[References]

Senol A, Alptekin G, Sayar AA, J. Chem. Thermodyn., 27(5), 525 (1995)
Bilgin M, J. Chem. Eng. Data, 51, 1066 (2006)
Senol A, Sevgili L, J. Chem. Thermodyn., 38(5), 578 (2006)
Letcher TM, Naicker PK, J. Chem. Eng. Data, 43(6), 1034 (1998)
Grande MC, Marschoff CM, J. Chem. Eng. Data, 45, 686 (2000)
Chen J, Li Z, Duan L, J. Chem. Eng. Data, 45, 689 (2000)
Won DB, Park SJ, Han KJ, Kim CJ, Fluid Phase Equilib., 193(1-2), 217 (2002)
Letcher TM, Redhi GG, J. Chem. Thermodyn., 33(11), 1555 (2001)
Liang H, Gao H, Kong Q, Chen Z, J. Chem. Eng. Data, 51, 119 (2006)
Fredenslund A, Gmehling J, Rasmussen P, Vapor.Liquid Equilibria using UNIFAC, Elsevier, Amsterdam, 1977
Gupte PA, Danner RP, Ind. Eng. Chem. Res., 26, 2036 (1987)
Larsen BL, Rasmussen P, Fredenslund A, Ind. Eng. Chem. Res., 26, 2274 (1987)
Prausnitz JM, Anderson TF, Grens EA, Eckert CA, Hsieh R, O’Connell JP, Computer Calculations for Multicomponent Vapor.Liquid and Liquid.liquid Equilibria, Prentice Hall, Englewood Cliffs, NJ, 1980,145 pp
Sorensen JJM, Arlt W, Liquid.Liquid Equilibrium Data Collection, vol. V, parts 1.3, DECHEMA, Frankfurt am Main, 1980
Anderson TF, Prausnitz JM, Ind. Eng. Chem. Proc. Des. Dev., 17, 561 (1978)
Othmer DF, Tobias PE, Ind. Eng. Chem., 34, 690 (1942)
Hand DB, J. Phys. Chem., 34, 1961 (1930)
Magnussen T, Rasmussen P, Fredenslund A, Ind. Eng. Proc. Des. Dev., 20, 331 (1981)

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[1] Senol A, Alptekin G, Sayar AA, J. Chem. Thermodyn., 27(5), 525 (1995)

[2] Bilgin M, J. Chem. Eng. Data, 51, 1066 (2006)

[3] Senol A, Sevgili L, J. Chem. Thermodyn., 38(5), 578 (2006)

[4] Letcher TM, Naicker PK, J. Chem. Eng. Data, 43(6), 1034 (1998)

[5] Grande MC, Marschoff CM, J. Chem. Eng. Data, 45, 686 (2000)

[6] Chen J, Li Z, Duan L, J. Chem. Eng. Data, 45, 689 (2000)

[7] Won DB, Park SJ, Han KJ, Kim CJ, Fluid Phase Equilib., 193(1-2), 217 (2002)

[8] Letcher TM, Redhi GG, J. Chem. Thermodyn., 33(11), 1555 (2001)

[9] Liang H, Gao H, Kong Q, Chen Z, J. Chem. Eng. Data, 51, 119 (2006)

[10] Fredenslund A, Gmehling J, Rasmussen P, Vapor.Liquid Equilibria using UNIFAC, Elsevier, Amsterdam, 1977

[11] Gupte PA, Danner RP, Ind. Eng. Chem. Res., 26, 2036 (1987)

[12] Larsen BL, Rasmussen P, Fredenslund A, Ind. Eng. Chem. Res., 26, 2274 (1987)

[13] Prausnitz JM, Anderson TF, Grens EA, Eckert CA, Hsieh R, O’Connell JP, Computer Calculations for Multicomponent Vapor.Liquid and Liquid.liquid Equilibria, Prentice Hall, Englewood Cliffs, NJ, 1980,145 pp

[14] Sorensen JJM, Arlt W, Liquid.Liquid Equilibrium Data Collection, vol. V, parts 1.3, DECHEMA, Frankfurt am Main, 1980

[15] Anderson TF, Prausnitz JM, Ind. Eng. Chem. Proc. Des. Dev., 17, 561 (1978)

[16] Othmer DF, Tobias PE, Ind. Eng. Chem., 34, 690 (1942)

[17] Hand DB, J. Phys. Chem., 34, 1961 (1930)

[18] Magnussen T, Rasmussen P, Fredenslund A, Ind. Eng. Proc. Des. Dev., 20, 331 (1981)