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Co-solvent effects in LLE of 1-hydroxyethyl-3-methylimidazolium based ionic liquids plus 2-propanol plus dichloromethane or 1,2-dichloroethane

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Co-solvent effects in LLE of 1-hydroxyethyl-3-methylimidazolium based ionic liquids plus 2-propanol plus dichloromethane or 1,2-dichloroethane. / Najdanovic-Visak, Vesna; Rodriguez, Ana; Visak, Zoran P.; Rosa, Joao N.; Afonso, Carlos A. M.; Nunes da Ponte, Manuel; Rebelo, Luis Paulo N.

In: Fluid Phase Equilibria, Vol. 254, No. 1-2, 15.06.2007, p. 35-41.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Najdanovic-Visak, V, Rodriguez, A, Visak, ZP, Rosa, JN, Afonso, CAM, Nunes da Ponte, M & Rebelo, LPN 2007, 'Co-solvent effects in LLE of 1-hydroxyethyl-3-methylimidazolium based ionic liquids plus 2-propanol plus dichloromethane or 1,2-dichloroethane', Fluid Phase Equilibria, vol. 254, no. 1-2, pp. 35-41. https://doi.org/10.1016/j.fluid.2007.02.020

APA

Najdanovic-Visak, V., Rodriguez, A., Visak, Z. P., Rosa, J. N., Afonso, C. A. M., Nunes da Ponte, M., & Rebelo, L. P. N. (2007). Co-solvent effects in LLE of 1-hydroxyethyl-3-methylimidazolium based ionic liquids plus 2-propanol plus dichloromethane or 1,2-dichloroethane. Fluid Phase Equilibria, 254(1-2), 35-41. https://doi.org/10.1016/j.fluid.2007.02.020

Vancouver

Author

Najdanovic-Visak, Vesna ; Rodriguez, Ana ; Visak, Zoran P. ; Rosa, Joao N. ; Afonso, Carlos A. M. ; Nunes da Ponte, Manuel ; Rebelo, Luis Paulo N. / Co-solvent effects in LLE of 1-hydroxyethyl-3-methylimidazolium based ionic liquids plus 2-propanol plus dichloromethane or 1,2-dichloroethane. In: Fluid Phase Equilibria. 2007 ; Vol. 254, No. 1-2. pp. 35-41.

Bibtex

@article{e9fd7931e7dc4c12a008296342c9ba7a,
title = "Co-solvent effects in LLE of 1-hydroxyethyl-3-methylimidazolium based ionic liquids plus 2-propanol plus dichloromethane or 1,2-dichloroethane",
abstract = "Several regimes of the (T, x(1), x(2)) surface of the liquid-liquid phase diagram at or close to a nominal pressure of 0.1 MPa of the ternary systems 1-hydroxyethyl-3-methylimidazolium based ionic liquids (1), [C(2)OHmim][X] ([X] = [PF6](-) or [BF4](-) or [CF3SO3](-) or [(CF3SO2)(2)N](-)), +dichloromethane or 1,2-dichloroethane (2), +2-propanol (3) were investigated. For the first time, phase splitting in a (IL + dichloromethane) system was found and the related temperature-composition phase diagrams for all aforementioned ILs were determined. In the case of 2-propanol, partial miscibility was observed only for ILs containing the [PF6](-) and [BF4](-) anions. When the latter are involved in ternary systems, the ternary phase diagrams at ambient conditions show wide areas of total miscibility, thus revealing an unexpected and large co-solvent effect. For the ternary mixture ([C-2 OHmim] [PF6] + dichloromethane + 2-propanol), a moderate pressure effect on the cloud point with a negative pressure-temperature slope was detected. (c) 2007 Elsevier B.V. All rights reserved.",
keywords = "HEXAFLUOROPHOSPHATE, EQUILIBRIA, ionic liquid, chloroatkanes, PHASE-BEHAVIOR, WATER, GREEN SOLVENTS, ETHANOL, IMIDAZOLIUM, 1-hydroxyethyl-3-methylimidazolium, DISSOLUTION, phase behaviour, PRESSURE, TEMPERATURE",
author = "Vesna Najdanovic-Visak and Ana Rodriguez and Visak, {Zoran P.} and Rosa, {Joao N.} and Afonso, {Carlos A. M.} and {Nunes da Ponte}, Manuel and Rebelo, {Luis Paulo N.}",
year = "2007",
month = jun,
day = "15",
doi = "10.1016/j.fluid.2007.02.020",
language = "English",
volume = "254",
pages = "35--41",
journal = "Fluid Phase Equilibria",
issn = "0378-3812",
publisher = "Elsevier",
number = "1-2",

}

RIS

TY - JOUR

T1 - Co-solvent effects in LLE of 1-hydroxyethyl-3-methylimidazolium based ionic liquids plus 2-propanol plus dichloromethane or 1,2-dichloroethane

AU - Najdanovic-Visak, Vesna

AU - Rodriguez, Ana

AU - Visak, Zoran P.

AU - Rosa, Joao N.

AU - Afonso, Carlos A. M.

AU - Nunes da Ponte, Manuel

AU - Rebelo, Luis Paulo N.

PY - 2007/6/15

Y1 - 2007/6/15

N2 - Several regimes of the (T, x(1), x(2)) surface of the liquid-liquid phase diagram at or close to a nominal pressure of 0.1 MPa of the ternary systems 1-hydroxyethyl-3-methylimidazolium based ionic liquids (1), [C(2)OHmim][X] ([X] = [PF6](-) or [BF4](-) or [CF3SO3](-) or [(CF3SO2)(2)N](-)), +dichloromethane or 1,2-dichloroethane (2), +2-propanol (3) were investigated. For the first time, phase splitting in a (IL + dichloromethane) system was found and the related temperature-composition phase diagrams for all aforementioned ILs were determined. In the case of 2-propanol, partial miscibility was observed only for ILs containing the [PF6](-) and [BF4](-) anions. When the latter are involved in ternary systems, the ternary phase diagrams at ambient conditions show wide areas of total miscibility, thus revealing an unexpected and large co-solvent effect. For the ternary mixture ([C-2 OHmim] [PF6] + dichloromethane + 2-propanol), a moderate pressure effect on the cloud point with a negative pressure-temperature slope was detected. (c) 2007 Elsevier B.V. All rights reserved.

AB - Several regimes of the (T, x(1), x(2)) surface of the liquid-liquid phase diagram at or close to a nominal pressure of 0.1 MPa of the ternary systems 1-hydroxyethyl-3-methylimidazolium based ionic liquids (1), [C(2)OHmim][X] ([X] = [PF6](-) or [BF4](-) or [CF3SO3](-) or [(CF3SO2)(2)N](-)), +dichloromethane or 1,2-dichloroethane (2), +2-propanol (3) were investigated. For the first time, phase splitting in a (IL + dichloromethane) system was found and the related temperature-composition phase diagrams for all aforementioned ILs were determined. In the case of 2-propanol, partial miscibility was observed only for ILs containing the [PF6](-) and [BF4](-) anions. When the latter are involved in ternary systems, the ternary phase diagrams at ambient conditions show wide areas of total miscibility, thus revealing an unexpected and large co-solvent effect. For the ternary mixture ([C-2 OHmim] [PF6] + dichloromethane + 2-propanol), a moderate pressure effect on the cloud point with a negative pressure-temperature slope was detected. (c) 2007 Elsevier B.V. All rights reserved.

KW - HEXAFLUOROPHOSPHATE

KW - EQUILIBRIA

KW - ionic liquid

KW - chloroatkanes

KW - PHASE-BEHAVIOR

KW - WATER

KW - GREEN SOLVENTS

KW - ETHANOL

KW - IMIDAZOLIUM

KW - 1-hydroxyethyl-3-methylimidazolium

KW - DISSOLUTION

KW - phase behaviour

KW - PRESSURE

KW - TEMPERATURE

U2 - 10.1016/j.fluid.2007.02.020

DO - 10.1016/j.fluid.2007.02.020

M3 - Journal article

VL - 254

SP - 35

EP - 41

JO - Fluid Phase Equilibria

JF - Fluid Phase Equilibria

SN - 0378-3812

IS - 1-2

ER -