Crystallization of an organic compound from an ionic liquid using carbon dioxide as anti-solvent

Maaike C. Kroon; Vincent A. Toussaint; Alireza Shariati; Louw J. Florusse; Jaap van Spronsen; Geert Jan Witkamp; Cor J. Peters

doi:10.1039/b712848g

Crystallization of an organic compound from an ionic liquid using carbon dioxide as anti-solvent

Maaike C. Kroon, Vincent A. Toussaint, Alireza Shariati, Louw J. Florusse, Jaap van Spronsen, Geert Jan Witkamp, Cor J. Peters^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

In this paper the anti-solvency behavior of supercritical carbon dioxide (CO₂) as a way to recover an organic compound from an ionic liquid by crystallization is explored. As an example, the conditions for crystallization of the organic compound methyl-(Z)-α-acetamido cinnamate (MAAC) from the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim⁺][BF₄⁻]) using supercritical CO₂ as anti-solvent are studied experimentally by measuring the phase behavior of the ternary system [bmim⁺][BF₄⁻] + CO₂ + MAAC. MAAC can be recovered from [bmim⁺][BF₄⁻] by either using a shift to higher CO₂ concentrations at constant temperature (anti-solvent crystallization) or by using a shift to lower temperatures at constant CO₂ concentration (thermal shift).

Original language	English (US)
Pages (from-to)	333
Number of pages	1
Journal	Green Chemistry
Volume	10
Issue number	3
DOIs	https://doi.org/10.1039/b712848g
State	Published - Mar 1 2008
Externally published	Yes

ASJC Scopus subject areas

Environmental Chemistry
Pollution

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title = "Crystallization of an organic compound from an ionic liquid using carbon dioxide as anti-solvent",

abstract = "In this paper the anti-solvency behavior of supercritical carbon dioxide (CO2) as a way to recover an organic compound from an ionic liquid by crystallization is explored. As an example, the conditions for crystallization of the organic compound methyl-(Z)-α-acetamido cinnamate (MAAC) from the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim+][BF4−]) using supercritical CO2 as anti-solvent are studied experimentally by measuring the phase behavior of the ternary system [bmim+][BF4−] + CO2 + MAAC. MAAC can be recovered from [bmim+][BF4−] by either using a shift to higher CO2 concentrations at constant temperature (anti-solvent crystallization) or by using a shift to lower temperatures at constant CO2 concentration (thermal shift).",

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AU - Kroon, Maaike C.

AU - Toussaint, Vincent A.

AU - Shariati, Alireza

AU - Florusse, Louw J.

AU - van Spronsen, Jaap

AU - Witkamp, Geert Jan

AU - Peters, Cor J.

PY - 2008/3/1

Y1 - 2008/3/1

N2 - In this paper the anti-solvency behavior of supercritical carbon dioxide (CO2) as a way to recover an organic compound from an ionic liquid by crystallization is explored. As an example, the conditions for crystallization of the organic compound methyl-(Z)-α-acetamido cinnamate (MAAC) from the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim+][BF4−]) using supercritical CO2 as anti-solvent are studied experimentally by measuring the phase behavior of the ternary system [bmim+][BF4−] + CO2 + MAAC. MAAC can be recovered from [bmim+][BF4−] by either using a shift to higher CO2 concentrations at constant temperature (anti-solvent crystallization) or by using a shift to lower temperatures at constant CO2 concentration (thermal shift).

AB - In this paper the anti-solvency behavior of supercritical carbon dioxide (CO2) as a way to recover an organic compound from an ionic liquid by crystallization is explored. As an example, the conditions for crystallization of the organic compound methyl-(Z)-α-acetamido cinnamate (MAAC) from the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim+][BF4−]) using supercritical CO2 as anti-solvent are studied experimentally by measuring the phase behavior of the ternary system [bmim+][BF4−] + CO2 + MAAC. MAAC can be recovered from [bmim+][BF4−] by either using a shift to higher CO2 concentrations at constant temperature (anti-solvent crystallization) or by using a shift to lower temperatures at constant CO2 concentration (thermal shift).

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Crystallization of an organic compound from an ionic liquid using carbon dioxide as anti-solvent

Abstract

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