Azeotrope Breaking for the System Methyl tert-Butyl Ether (MTBE) + Methanol at 313.15 K for Mixtures of MTBE and Methanol with Phosphonium-Based Ionic Liquids 


Vol. 31,  No. 3, pp. 192-198, Sep.  2025
10.7464/ksct.2025.31.3.192


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  Abstract

Ionic liquids (ILs) have being gaining more attention recently in the chemical industry and among scientists and chemical engineers because of their many fascinating properties as solvents. ILs can be used as additives for azeotropic distillation in cases where the ionic liquids interact more strongly with a certain component in an azeotropic mixture, thus causing a shift in the azeotropic point. This study demonstrates the influence of ILs on shifting the azeotrope of the system, {methyl tert-butyl ether (MTBE) + methanol} using trihexyltetradecylphosphonium chloride ([P666,14][Cl]) and trihexyltetradecylphosphonium bis(2,2,4- trimethylpentyl)phosphinate ([P666,14][TMPP]). The isothermal vapor-liquid equilibrium (VLE) data at 313.15 K for the system {MTBE + methanol} with different concentrations of [P666,14][Cl] and [P666,14][TMPP] were measured using headspace gas chromatography. The mole fraction of the ILs was varied from 0.05 to 0.10. The experimental ternary VLE data were correlated using the Wilson model.

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  Cite this article

[IEEE Style]

I. C. Hwang, "Azeotrope Breaking for the System Methyl tert-Butyl Ether (MTBE) + Methanol at 313.15 K for Mixtures of MTBE and Methanol with Phosphonium-Based Ionic Liquids," Clean Technology, vol. 31, no. 3, pp. 192-198, 2025. DOI: 10.7464/ksct.2025.31.3.192.

[ACM Style]

In Chan Hwang. 2025. Azeotrope Breaking for the System Methyl tert-Butyl Ether (MTBE) + Methanol at 313.15 K for Mixtures of MTBE and Methanol with Phosphonium-Based Ionic Liquids. Clean Technology, 31, 3, (2025), 192-198. DOI: 10.7464/ksct.2025.31.3.192.

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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