Effect of Methanol Concentration in the Mixed Solvent Dimethyl Sulfoxide + Methanol in the Extraction of Toluene from Heptane: Experimental Measurements and Thermodynamic Modeling

Farghi, Fadoua; Larouech, Mohamed; Kaddami, Mohammed

doi:10.1007/s10765-021-02883-0

Cited by 2 publications

(1 citation statement)

References 29 publications

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“…The purity of the raw materials was given by the supplier, while the composition of P 2 O 5 was verified by volumetric titration using NaOH, and water used throughout the process was deionized with a conductometric value of 5 μS at 290.2 K. Pure phosphoric acid was prepared using phosphorus pentoxide (P 2 O 5 ) and deionized water, while the composition was verified by volumetric titration using sodium hydroxide (NaOH). The experimental setup and the reliability of the equipment were described previously, − and all measurements were done using an analytical balance with a ± 0.0001 g precision.…”

Section: Products Materials and Methodsmentioning

confidence: 99%

Enhancement of Orthophosphoric Acid Extraction by the Synergic Effect of Tributyl Phosphate and Methyl Isobutyl Ketone in the Quaternary System H₂O–H₃PO₄–TBP–MIBK at 298.2 K

Mouhib,

Kaddami,

Counioux

et al. 2024

J. Chem. Eng. Data

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A systematic experimental study of the isoplethic sections for the quaternary system H 2 O−H 3 PO 4 −TBP−MIBK was carried out at 298.2 K under atmospheric pressure in order to evaluate the synergic effect of tributyl phosphate (TBP) and methyl isobutyl ketone (MIBK) as a mixed solvent for orthophosphoric acid (H 3 PO 4 ) extraction. Liquid−liquid equilibria diagrams were fully established for the following TBP/MIBK mass-percent ratios: 0/ 100, 30/70, 50/50, 80/20, and 100/0. The reliability of the LLE measurements was confirmed by the Othmer-Tobias and Hand equations. The results show that the quaternary system is type II and that the demixing area expands with an increasing TBP content. Moreover, the mixed solvent enhances MIBK selectivity for acid concentrations below 50 wt %, while the 80/ 20 weight ratio shows the optimal selectivity for acid concentrations below 25 wt %. Furthermore, these experimental results were compared to the values predicted by the NRTL model. It can be seen that the interaction parameters of the NRTL model used provide good results with a root-mean-square deviation (RMSD) of 0.0135.

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Section: Products Materials and Methodsmentioning

confidence: 99%

Enhancement of Orthophosphoric Acid Extraction by the Synergic Effect of Tributyl Phosphate and Methyl Isobutyl Ketone in the Quaternary System H₂O–H₃PO₄–TBP–MIBK at 298.2 K

Mouhib,

Kaddami,

Counioux

et al. 2024

J. Chem. Eng. Data

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Reversible phase-change extraction process based on temperature-responsive solvent

Geng

et al. 2023

Chemical Engineering Science

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Effect of Methanol Concentration in the Mixed Solvent Dimethyl Sulfoxide + Methanol in the Extraction of Toluene from Heptane: Experimental Measurements and Thermodynamic Modeling

Cited by 2 publications

References 29 publications

Enhancement of Orthophosphoric Acid Extraction by the Synergic Effect of Tributyl Phosphate and Methyl Isobutyl Ketone in the Quaternary System H₂O–H₃PO₄–TBP–MIBK at 298.2 K

Enhancement of Orthophosphoric Acid Extraction by the Synergic Effect of Tributyl Phosphate and Methyl Isobutyl Ketone in the Quaternary System H₂O–H₃PO₄–TBP–MIBK at 298.2 K

Reversible phase-change extraction process based on temperature-responsive solvent

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Effect of Methanol Concentration in the Mixed Solvent Dimethyl Sulfoxide + Methanol in the Extraction of Toluene from Heptane: Experimental Measurements and Thermodynamic Modeling

Cited by 2 publications

References 29 publications

Enhancement of Orthophosphoric Acid Extraction by the Synergic Effect of Tributyl Phosphate and Methyl Isobutyl Ketone in the Quaternary System H2O–H3PO4–TBP–MIBK at 298.2 K

Enhancement of Orthophosphoric Acid Extraction by the Synergic Effect of Tributyl Phosphate and Methyl Isobutyl Ketone in the Quaternary System H2O–H3PO4–TBP–MIBK at 298.2 K

Reversible phase-change extraction process based on temperature-responsive solvent

Contact Info

Product

Resources

About

Enhancement of Orthophosphoric Acid Extraction by the Synergic Effect of Tributyl Phosphate and Methyl Isobutyl Ketone in the Quaternary System H₂O–H₃PO₄–TBP–MIBK at 298.2 K

Enhancement of Orthophosphoric Acid Extraction by the Synergic Effect of Tributyl Phosphate and Methyl Isobutyl Ketone in the Quaternary System H₂O–H₃PO₄–TBP–MIBK at 298.2 K