Thermodynamic modelling of liquid-liquid extraction of naphthenic acid from dodecane using imidazolium based phenolate ionic liquids

Shah, S.N. and Mutalib, M.I.A. and Ismail, M.F. and Suleman, H. and Lethesh, K.C. and Pilus, R.B.M. (2016) Thermodynamic modelling of liquid-liquid extraction of naphthenic acid from dodecane using imidazolium based phenolate ionic liquids. Journal of Molecular Liquids, 219. pp. 513-525.

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Abstract

In this work, N-alkyl imidazolium based ionic liquids with phenolate anions have been used for the separation of naphthenic acid from model oil. The liquid-liquid equilibrium (LLE) data for the ternary mixture of CnmimPhe, dodecane and naphthenic acid were experimentally obtained at a constant temperature of 303.15 K and atmospheric pressure. The effect of chain length on the extraction capability was observed by calculating the distribution coefficient. The experimental tie line data was correlated using the non-random two liquid model (NRTL) and Universal Quasi Chemical (UNIQUAC) model and new interaction parameters for the ternary systems are reported. The experimental data provides a good correlation with the modelling data and a very low root mean square deviation (RMSD) value was observed for all the systems. © 2016 Elsevier B.V. All rights reserved.

Item Type: Article
Impact Factor: cited By 24
Uncontrolled Keywords: Atmospheric pressure; Extraction; Ionic liquids; Negative ions; Organic acids; Phase equilibria; Ternary systems; Thermodynamic properties, Alkyl methyl imidazole; Ionic liquid (ils); Liquid liquid equilibrium; Naphthenic acid; Non random two liquids; Phenolate anion (Phe); Universal quasi chemicals, Liquids
Depositing User: PROF TS DR MOHAMED IBRAHIM ABDUL MUTALIB
Date Deposited: 25 Mar 2022 07:39
Last Modified: 04 Jan 2023 02:09
URI: http://scholars.utp.edu.my/id/eprint/30845

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