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Title: Carbon Dioxide Separation with Supported Ionic Liquid Membranes

Abstract

Supported liquid membranes are a class of materials that allow the researcher to utilize the wealth of knowledge available on liquid properties as a direct guide in the development of a capture technology. These membranes also have the advantage of liquid phase diffusivities higher than those observed in polymeric membranes which grant proportionally greater permeabilities. The primary shortcoming of the supported liquid membranes demonstrated in past research has been the lack of stability caused by volatilization of the transport liquid. Ionic liquids, which possess high carbon dioxide solubility relative to light gases such as hydrogen, are an excellent candidate for this type of membrane since they have negligible vapor pressure and are not susceptible to evaporation. A study has been conducted evaluating the use of several ionic liquids, including 1-hexyl-3-methyl-imidazolium bis(trifuoromethylsulfonyl)imide, 1-butyl-3-methyl-imidazolium nitrate, and 1-ethyl-3-methyl-imidazolium sulfate in supported ionic liquid membranes for the capture of carbon dioxide from streams containing hydrogen. In a joint project, researchers at the University of Notre Dame lent expertise in ionic liquid synthesis and characterization, and researchers at the National Energy Technology Laboratory incorporated candidate ionic liquids into supports and evaluated the resulting materials for membrane performance. Initial results have been very promising with carbonmore » dioxide permeabilities as high as 950 barrers and significant improvements in carbon dioxide/hydrogen selectivity over conventional polymers at 37C and at elevated temperatures. Results include a comparison of the performance of several ionic liquids and a number of supports as well as a discussion of innovative fabrication techniques currently under development.« less

Authors:
; ; ;
Publication Date:
Research Org.:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
Sponsoring Org.:
USDOE - Office of Fossil Energy (FE)
OSTI Identifier:
913401
Report Number(s):
DOE/NETL-IR-2007-124
TRN: US200802%%807
DOE Contract Number:  
None cited
Resource Type:
Conference
Resource Relation:
Conference: AIChE 2007 Spring National Meeting, Houston, TX, April 22-27, 2007; Related Information: Brief abstract has been inserted into the front of the extended abstract.
Country of Publication:
United States
Language:
English
Subject:
08 HYDROGEN; CARBON; CARBON DIOXIDE; EVAPORATION; FABRICATION; GASES; HYDROGEN; MEMBRANES; POLYMERS; SOLUBILITY; STABILITY; SULFATES; SUPPORTED LIQUID MEMBRANES; SYNTHESIS; TRANSPORT; VAPOR PRESSURE

Citation Formats

Luebke, D R, Ilconich, J B, Myers, C R, and Pennline, H W. Carbon Dioxide Separation with Supported Ionic Liquid Membranes. United States: N. p., 2007. Web.
Luebke, D R, Ilconich, J B, Myers, C R, & Pennline, H W. Carbon Dioxide Separation with Supported Ionic Liquid Membranes. United States.
Luebke, D R, Ilconich, J B, Myers, C R, and Pennline, H W. Sun . "Carbon Dioxide Separation with Supported Ionic Liquid Membranes". United States. doi:. https://www.osti.gov/servlets/purl/913401.
@article{osti_913401,
title = {Carbon Dioxide Separation with Supported Ionic Liquid Membranes},
author = {Luebke, D R and Ilconich, J B and Myers, C R and Pennline, H W},
abstractNote = {Supported liquid membranes are a class of materials that allow the researcher to utilize the wealth of knowledge available on liquid properties as a direct guide in the development of a capture technology. These membranes also have the advantage of liquid phase diffusivities higher than those observed in polymeric membranes which grant proportionally greater permeabilities. The primary shortcoming of the supported liquid membranes demonstrated in past research has been the lack of stability caused by volatilization of the transport liquid. Ionic liquids, which possess high carbon dioxide solubility relative to light gases such as hydrogen, are an excellent candidate for this type of membrane since they have negligible vapor pressure and are not susceptible to evaporation. A study has been conducted evaluating the use of several ionic liquids, including 1-hexyl-3-methyl-imidazolium bis(trifuoromethylsulfonyl)imide, 1-butyl-3-methyl-imidazolium nitrate, and 1-ethyl-3-methyl-imidazolium sulfate in supported ionic liquid membranes for the capture of carbon dioxide from streams containing hydrogen. In a joint project, researchers at the University of Notre Dame lent expertise in ionic liquid synthesis and characterization, and researchers at the National Energy Technology Laboratory incorporated candidate ionic liquids into supports and evaluated the resulting materials for membrane performance. Initial results have been very promising with carbon dioxide permeabilities as high as 950 barrers and significant improvements in carbon dioxide/hydrogen selectivity over conventional polymers at 37C and at elevated temperatures. Results include a comparison of the performance of several ionic liquids and a number of supports as well as a discussion of innovative fabrication techniques currently under development.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Apr 01 00:00:00 EDT 2007},
month = {Sun Apr 01 00:00:00 EDT 2007}
}

Conference:
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