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dc.contributor.authorCele, N.P.
dc.contributor.authorBahadur, I.
dc.contributor.authorRedhi, G.G.
dc.contributor.authorEbenso, E.E.
dc.date.accessioned2017-05-16T06:31:39Z
dc.date.available2017-05-16T06:31:39Z
dc.date.issued2016
dc.identifier.citationCele, N.P. et al. 2016. (Liquid + liquid) equilibria measurements for ternary systems (sulfolane + a carboxylic acid + n-heptane) at T = 303.15 K and at 0.1 MPa. Journal of Chemical Thermodynamics, 96:169-174. [https://doi.org/10.1016/j.jct.2015.12.019]
dc.identifier.issn0021-9614
dc.identifier.issn1096-3626 (Online)
dc.identifier.urihttps://doi.org/10.1016/j.jct.2015.12.019
dc.identifier.urihttp://hdl.handle.net/10394/24153
dc.description.abstractIn the present work, new (liquid + liquid) equilibrium (LLE) values are reported for ternary systems {sulfolane(1) + acetic acid, or propanoic acid, or butanoic acid, or 2-methylpropanoic acid, or pentanoic acid, or 3-methylbutanoic acid (2) + n-heptane (3)} at T = 303.15 K and at p = 0.1 MPa. The mutual solubility of carboxylic acid in sulfolane is dependent on the length and structure of the alkyl chain of the carboxylic acid; it progressively increases with an increase in the alkyl chain of the carboxylic acid. The single phase homogenous region increases as the alkyl chain of the carboxylic acid increases. The n-heptane is most soluble in the carboxylic acid mixtures with long alkyl chain, that is, (3-methylbutanoic acid + sulfolane) and (pentanoic acid + sulfolane) systems and least soluble in the carboxylic acid with short alkyl chain (acetic acid + sulfolane) system. Carboxylic acid together with many other oxygenates and hydrocarbons are produced by SASOL Company in South Africa using the Fischer–Tropsch process. The details about this process are given in introduction section. The NRTL and UNIQUAC models were used to correlate the experimental tie-lines and to calculate the phase compositions of the ternary systems. It was found that the NRTL model fits the experimental values significantly better than the UNIQUAC model.
dc.language.isoen
dc.publisherElsevier
dc.subject(Liquid + liquid) equilibrium
dc.subjectSulfolane
dc.subjectn-Heptane
dc.subjectCarboxylic acid
dc.subjectNRTL
dc.subjectUNIQUAC
dc.title(Liquid + liquid) equilibria measurements for ternary systems (sulfolane + a carboxylic acid + n-heptane) at T = 303.15 K and at 0.1 MPa
dc.typeArticle
dc.contributor.researchID26297566 - Bahadur, Indra
dc.contributor.researchID22168370 - Ebenso, Eno Effiong


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