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Activity coefficients of hydrocarbon solutes at infinite dilution in monoethanolamine from gas–liquid chromatography

✍ Scribed by T.M. Letcher; ; R.A. Harris; ; D. Ramjugernath; ; J.D. Raal

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
136 KB
Volume
33
Category
Article
ISSN
0021-9614

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✦ Synopsis

Activity coefficients for hydrocarbon solutes at infinite dilution in monoethanolamine have been measured using the medium pressure gas-liquid chromatography method. The hydrocarbon solutes used were n-pentane, n-hexane, n-heptane, n-octane, nnonane, 1-hexene, 1-heptene, 1-octene, 1-hexyne, 1-heptyne, 1-octyne, cyclopentane, cyclohexane, cycloheptane, cyclooctane, benzene, toluene, o-xylene, m-xylene and p-xylene. Activity coefficients at infinite dilution were determined at the following three temperatures: T = (288.15, 298.15, and 308.15) K. Separation factors are presented for (hexane + monoethanolamine) and (benzene + monoethanolamine) in the solvent monoethanolamine and the results are compared with other solvents. Results indicate that monoethanolamine could be an excellent solvent for the separation of alkane and aromatic mixtures.

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