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APPLICATION OF NRTL AND UNIQUAC MODELS TO LIQUID-LIQUID SYSTEMS WITH HALOGEN SALTS(Part I)

Korean Journal of Chemical Engineering, September 1987, 4(2), 161-169(9), 10.1007/BF02697433
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Abstract

Binodal curves, tie lines, and plait points for benzene-halogen salt solutions-n-propanol systems were determined, and Othmer-Tobias equation was employed for a system without salt and Eisen-Joffe equation for systems with salt to test consistency. Halogen salt solutions were prepared with aqueous solution of 5% KF, 5% NaCl, 5% NaBr and 5% NaI, respectively.
Compositions of two splitting phases on liquid-liquid equilibria(L-L-E) condition were calculated and the parameters were estimated by correlating experimental tie lines with the NRTL and the UNIQUAC(or modified UNIQUAC) models.
the effects of addition of four halogen salts(KF, NaCl, NaBr, NaI) to benzene-water-n-propanol system were considered.

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