Asian Journal of Research in Chemistry

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A Simple Group-Interaction Contribution Method for the Prediction of the Freezing Point of Ionic Liquids


Affiliations
1 Kasdi Merbah Ouargla University, B.P. 511, 30000, Ouargla, Algeria ., India
2 Kasdi Merbah Ouargla University, B.P. 511, 30000, Ouargla, Algeria, India
3 Department of Chemical Engineering, Mangosuthu University of Technology, Durban, South Africa., India
4 Ministry of water Resources, State commission on Operation of Irrigation and Drainage projects, Water Resources, El Anbar, Iraq., India
     

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 A linear model based on group-interaction contributions is proposed for the estimation of the freezing temperature (Tf) of ionic liquids (ILs). This property is important for modelling solid-liquid equilibrium and selecting ionic liquids as reaction media among other things. A database of 66 experimental freezing points different ionic liquids was used to obtain all interaction contribution parameters and model constants. The database included various classes of ionic liquids and a wide range of cation and anion groups., with an average absolute relative deviation of 4,09% and a correlation coefficient of 0,93. 


Keywords

Group-Interaction Contribution, Ionic Liquids, Freezing Temperature, Molecular Structure, Property Estimation.
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  • A Simple Group-Interaction Contribution Method for the Prediction of the Freezing Point of Ionic Liquids

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Authors

Khadra Mokadem
Kasdi Merbah Ouargla University, B.P. 511, 30000, Ouargla, Algeria ., India
Belfar Mohemed Lakhdar
Kasdi Merbah Ouargla University, B.P. 511, 30000, Ouargla, Algeria, India
Kaniki Tumba
Department of Chemical Engineering, Mangosuthu University of Technology, Durban, South Africa., India
Abdulqader Saad Abed
Ministry of water Resources, State commission on Operation of Irrigation and Drainage projects, Water Resources, El Anbar, Iraq., India
Mourad Korichi
Kasdi Merbah Ouargla University, B.P. 511, 30000, Ouargla, Algeria ., India

Abstract


 

 A linear model based on group-interaction contributions is proposed for the estimation of the freezing temperature (Tf) of ionic liquids (ILs). This property is important for modelling solid-liquid equilibrium and selecting ionic liquids as reaction media among other things. A database of 66 experimental freezing points different ionic liquids was used to obtain all interaction contribution parameters and model constants. The database included various classes of ionic liquids and a wide range of cation and anion groups., with an average absolute relative deviation of 4,09% and a correlation coefficient of 0,93. 


Keywords


Group-Interaction Contribution, Ionic Liquids, Freezing Temperature, Molecular Structure, Property Estimation.

References