Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach

In this study, a new approach is introduced for the thermodynamic correlation of liquid-liquid extraction (LLE) systems involving ionic liquids (ILs). The model incorporates the effect of local composition and ion solvation in the liquid-liquid equilibrium. Margules excess Gibbs energy model was use...

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Main Authors: Suleman, H., Maulud, A.S., Shah, S.N., Man, Z., Mutalib, M.I.A.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.20623 /
Published: Elsevier B.V. 2018
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039704189&doi=10.1016%2fj.molliq.2017.12.116&partnerID=40&md5=c5344513a7693bafc4dee8d2b1d77b92
http://eprints.utp.edu.my/20623/
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spelling utp-eprints.206232018-10-11T02:31:17Z Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach Suleman, H. Maulud, A.S. Shah, S.N. Man, Z. Mutalib, M.I.A. In this study, a new approach is introduced for the thermodynamic correlation of liquid-liquid extraction (LLE) systems involving ionic liquids (ILs). The model incorporates the effect of local composition and ion solvation in the liquid-liquid equilibrium. Margules excess Gibbs energy model was used to express the short-range molecule-molecule forces whereas the ion solvation theory of modified three characteristic parameter correlation (TCPC) model was employed to characterize the ion-molecule short range forces. With this proposed approach, better results were obtained for the correlation of experimental tie line data and activity coefficients for LLE systems involving ILs. Moreover, the new approach imparted theoretical improvements over previously used thermodynamic models for the correlation of said systems. A wide range of published experimental data for ternary liquid-liquid extraction systems was examined and the new interaction parameters were optimized. A very low root mean square deviation (RMSD) was observed for all the ternary systems, indicating the proficiency of the proposed model. © 2017 Elsevier B.V. Elsevier B.V. 2018 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039704189&doi=10.1016%2fj.molliq.2017.12.116&partnerID=40&md5=c5344513a7693bafc4dee8d2b1d77b92 Suleman, H. and Maulud, A.S. and Shah, S.N. and Man, Z. and Mutalib, M.I.A. (2018) Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach. Journal of Molecular Liquids, 252 . pp. 18-23. http://eprints.utp.edu.my/20623/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description In this study, a new approach is introduced for the thermodynamic correlation of liquid-liquid extraction (LLE) systems involving ionic liquids (ILs). The model incorporates the effect of local composition and ion solvation in the liquid-liquid equilibrium. Margules excess Gibbs energy model was used to express the short-range molecule-molecule forces whereas the ion solvation theory of modified three characteristic parameter correlation (TCPC) model was employed to characterize the ion-molecule short range forces. With this proposed approach, better results were obtained for the correlation of experimental tie line data and activity coefficients for LLE systems involving ILs. Moreover, the new approach imparted theoretical improvements over previously used thermodynamic models for the correlation of said systems. A wide range of published experimental data for ternary liquid-liquid extraction systems was examined and the new interaction parameters were optimized. A very low root mean square deviation (RMSD) was observed for all the ternary systems, indicating the proficiency of the proposed model. © 2017 Elsevier B.V.
format Article
author Suleman, H.
Maulud, A.S.
Shah, S.N.
Man, Z.
Mutalib, M.I.A.
spellingShingle Suleman, H.
Maulud, A.S.
Shah, S.N.
Man, Z.
Mutalib, M.I.A.
Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach
author_sort Suleman, H.
title Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach
title_short Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach
title_full Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach
title_fullStr Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach
title_full_unstemmed Thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: A new approach
title_sort thermodynamic modelling of liquid-liquid extraction systems involving ionic liquids: a new approach
publisher Elsevier B.V.
publishDate 2018
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039704189&doi=10.1016%2fj.molliq.2017.12.116&partnerID=40&md5=c5344513a7693bafc4dee8d2b1d77b92
http://eprints.utp.edu.my/20623/
_version_ 1741196370202591232
score 11.62408

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