Impact on CO2/N2 and CO2/CH4 separation performance using Cu-BTC with supported ionic liquids-based mixed matrix membranes

Bernardo Monteiro; Ana R. Nabais; Maria H. Casimiro; Ana P. S. Martins; Rute O. Francisco; Luísa A. Neves; Cláudia C. L. Pereira

doi:10.3390/membranes8040093

Impact on CO₂/N₂ and CO₂/CH₄ separation performance using Cu-BTC with supported ionic liquids-based mixed matrix membranes

Bernardo Monteiro, Ana R. Nabais, Maria H. Casimiro, Ana P. S. Martins, Rute O. Francisco, Luísa A. Neves, Cláudia C. L. Pereira

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2 Citations (Scopus)

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Abstract

The efficient separation of gases has industrial, economic, and environmental importance. Here, we report the improvement in gas separation performance of a polyimide-based matrix (Matrimid®5218) filled with a Cu-based metal organic framework [MOF, Cu₃(BTC)₂] with two different ionic liquids (ILs) confined within the pores. The chosen ILs are commonly used in gas solubilization, 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMIM][BF₄]) and 1-Ethyl-3-methylimidazolium trifluoromethanesulfonate ([EMIM][OTf]), and the incorporation of the [EMIM][BF₄]@Cu-BTC and [EMIM][OTf]@Cu-BTC composites in Matrimid®5218 proved to be an efficient strategy to improve the permeability and selectivity toward CO₂/N₂ and CO₂/CH₄ mixtures.

Original language	English
Article number	93
Journal	Membranes
Volume	8
Issue number	4
DOIs	https://doi.org/10.3390/membranes8040093
Publication status	Published - 1 Dec 2018

Keywords

Cu(BTC)2
Gas separation
IL@Cu(BTC)2
IL@MOF
Ionic liquids
Metal-organic frameworks
Mixed matrix membranes

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10.3390/membranes8040093Licence: CC BY

membranes-08-00093Final published version, 3.95 MBLicence: CC BY

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Monteiro, B., Nabais, A. R., Casimiro, M. H., Martins, A. P. S., Francisco, R. O., Neves, L. A., & Pereira, C. C. L. (2018). Impact on CO₂/N₂ and CO₂/CH₄ separation performance using Cu-BTC with supported ionic liquids-based mixed matrix membranes. Membranes, 8(4), [93]. https://doi.org/10.3390/membranes8040093

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title = "Impact on CO2/N2 and CO2/CH4 separation performance using Cu-BTC with supported ionic liquids-based mixed matrix membranes",

abstract = "The efficient separation of gases has industrial, economic, and environmental importance. Here, we report the improvement in gas separation performance of a polyimide-based matrix (Matrimid{\circledR}5218) filled with a Cu-based metal organic framework [MOF, Cu3(BTC)2] with two different ionic liquids (ILs) confined within the pores. The chosen ILs are commonly used in gas solubilization, 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMIM][BF4]) and 1-Ethyl-3-methylimidazolium trifluoromethanesulfonate ([EMIM][OTf]), and the incorporation of the [EMIM][BF4]@Cu-BTC and [EMIM][OTf]@Cu-BTC composites in Matrimid{\circledR}5218 proved to be an efficient strategy to improve the permeability and selectivity toward CO2/N2 and CO2/CH4 mixtures.",

keywords = "Cu(BTC)2, Gas separation, IL@Cu(BTC)2, IL@MOF, Ionic liquids, Metal-organic frameworks, Mixed matrix membranes",

author = "Bernardo Monteiro and Nabais, {Ana R.} and Casimiro, {Maria H.} and Martins, {Ana P. S.} and Francisco, {Rute O.} and Neves, {Lu{\'i}sa A.} and Pereira, {Cl{\'a}udia C. L.}",

note = "info:eu-repo/grantAgreement/FCT/5876/147218/PT# info:eu-repo/grantAgreement/FCT/3599-PPCDT/127013/PT# info:eu-repo/grantAgreement/FCT/5876/147266/PT# PTDC/CTM-POL/2676/2014 IF/00505/2014 This work was performed under the project {"}SunStorage-Harvesting and storage of solar energy{"}, with reference POCI-01-0145-FEDER-016387, funded by European Regional Development Fund (ERDF), through COMPETE 2020-Operational Programme for Competitiveness and Internationalization (OPCI), and by national funds, through FCT-Fundacao para a Ciencia e a Tecnologia I.P. This work was supported by the Associated Laboratory for Sustainable Chemistry-Clean Processes and Technologies-LAQV which is financed by national funds from FCT/MEC (UID/QUI/50006/2013) and cofinanced by the ERDF under the PT2020 Partnership Agreement (POCI-01-0145-FEDER-007265) The NMR spectrometers are part of The National NMR Facility, supported by Fundacao para a Ciencia e a Tecnologia (RECI/BBB-BQB/0230/2012). A.R.N. and L.A.N. acknowledge FCT/MCTES for financial support through project PTDC/CTM-POL/2676/2014 and FCT Investigator Contract IF/00505/2014, respectively. C2TN/IST authors gratefully acknowledge the Fundacao para a Ciencia e Tecnologia support through the UID/Multi/04349/2013 project.",

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T1 - Impact on CO2/N2 and CO2/CH4 separation performance using Cu-BTC with supported ionic liquids-based mixed matrix membranes

AU - Monteiro, Bernardo

AU - Nabais, Ana R.

AU - Casimiro, Maria H.

AU - Martins, Ana P. S.

AU - Francisco, Rute O.

AU - Neves, Luísa A.

AU - Pereira, Cláudia C. L.

N1 - info:eu-repo/grantAgreement/FCT/5876/147218/PT# info:eu-repo/grantAgreement/FCT/3599-PPCDT/127013/PT# info:eu-repo/grantAgreement/FCT/5876/147266/PT# PTDC/CTM-POL/2676/2014 IF/00505/2014 This work was performed under the project "SunStorage-Harvesting and storage of solar energy", with reference POCI-01-0145-FEDER-016387, funded by European Regional Development Fund (ERDF), through COMPETE 2020-Operational Programme for Competitiveness and Internationalization (OPCI), and by national funds, through FCT-Fundacao para a Ciencia e a Tecnologia I.P. This work was supported by the Associated Laboratory for Sustainable Chemistry-Clean Processes and Technologies-LAQV which is financed by national funds from FCT/MEC (UID/QUI/50006/2013) and cofinanced by the ERDF under the PT2020 Partnership Agreement (POCI-01-0145-FEDER-007265) The NMR spectrometers are part of The National NMR Facility, supported by Fundacao para a Ciencia e a Tecnologia (RECI/BBB-BQB/0230/2012). A.R.N. and L.A.N. acknowledge FCT/MCTES for financial support through project PTDC/CTM-POL/2676/2014 and FCT Investigator Contract IF/00505/2014, respectively. C2TN/IST authors gratefully acknowledge the Fundacao para a Ciencia e Tecnologia support through the UID/Multi/04349/2013 project.

PY - 2018/12/1

Y1 - 2018/12/1

N2 - The efficient separation of gases has industrial, economic, and environmental importance. Here, we report the improvement in gas separation performance of a polyimide-based matrix (Matrimid®5218) filled with a Cu-based metal organic framework [MOF, Cu3(BTC)2] with two different ionic liquids (ILs) confined within the pores. The chosen ILs are commonly used in gas solubilization, 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMIM][BF4]) and 1-Ethyl-3-methylimidazolium trifluoromethanesulfonate ([EMIM][OTf]), and the incorporation of the [EMIM][BF4]@Cu-BTC and [EMIM][OTf]@Cu-BTC composites in Matrimid®5218 proved to be an efficient strategy to improve the permeability and selectivity toward CO2/N2 and CO2/CH4 mixtures.

AB - The efficient separation of gases has industrial, economic, and environmental importance. Here, we report the improvement in gas separation performance of a polyimide-based matrix (Matrimid®5218) filled with a Cu-based metal organic framework [MOF, Cu3(BTC)2] with two different ionic liquids (ILs) confined within the pores. The chosen ILs are commonly used in gas solubilization, 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMIM][BF4]) and 1-Ethyl-3-methylimidazolium trifluoromethanesulfonate ([EMIM][OTf]), and the incorporation of the [EMIM][BF4]@Cu-BTC and [EMIM][OTf]@Cu-BTC composites in Matrimid®5218 proved to be an efficient strategy to improve the permeability and selectivity toward CO2/N2 and CO2/CH4 mixtures.

KW - Cu(BTC)2

KW - Gas separation

KW - IL@Cu(BTC)2

KW - IL@MOF

KW - Ionic liquids

KW - Metal-organic frameworks

KW - Mixed matrix membranes

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U2 - 10.3390/membranes8040093

DO - 10.3390/membranes8040093

M3 - Article

C2 - 30314326

AN - SCOPUS:85055641753

VL - 8

JO - Membranes

JF - Membranes

SN - 0076-6356

IS - 4

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ER -