Highly selective transport of organic compounds by using supported liquid membranes based on ionic liquids

Luís C. Branco; João G. Crespo; Carlos A. M. Afonso

doi:10.1002/1521-3773(20020802)41:15<2771::AID-ANIE2771>3.0.CO;2-U

Highly selective transport of organic compounds by using supported liquid membranes based on ionic liquids

Luís C. Branco, João G. Crespo, Carlos A. M. Afonso

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

224 Citations (Scopus)

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Abstract

Continuous separation of organic compounds is possible by selective transport through a supported liquid membrane, which contains the room-temperature ionic liquid 1-n-butyl-3-methylimidazolium hexafluorophosphate immobilized in the porous structure of a hydrophilic polyvinylidene fluoride membrane. A mixture (1:1 molar ratio) of the isomeric amines diisopropylamine (S¹) and triethylamine (S²) was continuously fractionated over 14 days without any observable decrease in selectivity (see scheme).

Original language	English
Pages (from-to)	2771-2773
Number of pages	3
Journal	Angewandte Chemie-International Edition
Volume	41
Issue number	15
DOIs	https://doi.org/10.1002/1521-3773(20020802)41:15<2771::AID-ANIE2771>3.0.CO;2-U
Publication status	Published - 2 Aug 2002

Keywords

Amines
Ionic liquids
Membranes
Selective transport
Separation processes

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10.1002/1521-3773(20020802)41:15<2771::AID-ANIE2771>3.0.CO;2-ULicence: Unspecified

Branco et al_2002_Angewandte Chemie International EditionFinal published version, 75.5 KBLicence: Unspecified

Cite this

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AU - Afonso, Carlos A. M.

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AB - Continuous separation of organic compounds is possible by selective transport through a supported liquid membrane, which contains the room-temperature ionic liquid 1-n-butyl-3-methylimidazolium hexafluorophosphate immobilized in the porous structure of a hydrophilic polyvinylidene fluoride membrane. A mixture (1:1 molar ratio) of the isomeric amines diisopropylamine (S1) and triethylamine (S2) was continuously fractionated over 14 days without any observable decrease in selectivity (see scheme).

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KW - Ionic liquids

KW - Membranes

KW - Selective transport

KW - Separation processes

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Highly selective transport of organic compounds by using supported liquid membranes based on ionic liquids

Abstract

Keywords

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