6533b82ffe1ef96bd12964e1
RESEARCH PRODUCT
Isobaric vapor-liquid equilibria for the 1-propanol + water + 1-ethyl-3-methylimidazolium dicyanamide system at 100 kPa
Vicenta González-alfaroPablo J. MiguelFrancisco J. LlopisErnesto VercherA. Vicent OrchillésAntoni Martínez-andreusubject
Ternary numeral systemAnalytical chemistry02 engineering and technology010402 general chemistryMole fraction01 natural sciencesAtomic and Molecular Physics and Optics0104 chemical scienceschemistry.chemical_compound020401 chemical engineeringchemistryAzeotropeIonic liquidExtractive distillationOrganic chemistryIsobaric processGeneral Materials ScienceBinary system0204 chemical engineeringPhysical and Theoretical ChemistryDicyanamidedescription
Abstract Isobaric vapor–liquid equilibria for the 1-propanol + 1-ethyl-3-methylimidazolium dicyanamide ([emim [DCA] binary system and for the 1-propanol + water + [emim] [DCA] ternary system have been obtained at 100 kPa using a recirculating still. The electrolyte nonrandom two-liquid (e-NRTL) model was used for fitting successfully the experimental data. The effect of [emim][DCA] on the 1-propanol + water system has been compared with that produced by other ionic liquids reported in the literature. From the results, [emim][DCA] appears as a potential entrainer for the extractive distillation of this solvent mixture, causing the azeotrope to disappear at 100 kPa when the ionic liquid mole fraction is greater than 0.33.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2017-10-01 | The Journal of Chemical Thermodynamics |