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Title: Sulfur tolerant hydrophobic ionic liquid solvent

Abstract

Exemplary embodiments relate to methods for removal of CO.sub.2 and other acid gases from gaseous fuels prior to combustion. Exemplary methods may be used for CO.sub.2 capture, H.sub.2 purification and natural gas sweetening. Exemplary methods use at least one ionic liquid that has excellent CO.sub.2 solubility, selectivity over hydrogen, low viscosity, and resistance to H.sub.2S.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1452903
Patent Number(s):
9975080
Application Number:
15/045,201
Assignee:
U.S. Department of Energy (Washington, DC)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10K - PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
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DOE Contract Number:  
FE0004000
Resource Type:
Patent
Resource Relation:
Patent File Date: 2016 Feb 16
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 03 NATURAL GAS

Citation Formats

Luebke, David, Nulwala, Hunaid, Kail, Brian, Shi, Fan, Thompson, Robert L., and Siefert, Nicholas. Sulfur tolerant hydrophobic ionic liquid solvent. United States: N. p., 2018. Web.
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Luebke, David, Nulwala, Hunaid, Kail, Brian, Shi, Fan, Thompson, Robert L., & Siefert, Nicholas. Sulfur tolerant hydrophobic ionic liquid solvent. United States.
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Luebke, David, Nulwala, Hunaid, Kail, Brian, Shi, Fan, Thompson, Robert L., and Siefert, Nicholas. Tue . "Sulfur tolerant hydrophobic ionic liquid solvent". United States. https://www.osti.gov/servlets/purl/1452903.
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@article{osti_1452903,
title = {Sulfur tolerant hydrophobic ionic liquid solvent},
author = {Luebke, David and Nulwala, Hunaid and Kail, Brian and Shi, Fan and Thompson, Robert L. and Siefert, Nicholas},
abstractNote = {Exemplary embodiments relate to methods for removal of CO.sub.2 and other acid gases from gaseous fuels prior to combustion. Exemplary methods may be used for CO.sub.2 capture, H.sub.2 purification and natural gas sweetening. Exemplary methods use at least one ionic liquid that has excellent CO.sub.2 solubility, selectivity over hydrogen, low viscosity, and resistance to H.sub.2S.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 22 00:00:00 EDT 2018},
month = {Tue May 22 00:00:00 EDT 2018}
}
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Works referenced in this record:

Ionic Liquids for Removal of Carbon Dioxide
patent-application, March 2012

Solubility of the Precombustion Gases CO2,CH4, CO, H2, N2, and H2S in the Ionic Liquid [bmim][Tf2N] from Monte Carlo Simulations
journal, October 2014

  • Ramdin, Mahinder; Balaji, Sayee Prasaad; Vicent-Luna, José Manuel
  • The Journal of Physical Chemistry C, Vol. 118, Issue 41, p. 23599-23604
  • https://doi.org/10.1021/jp5080434

Solubility of CO2 and CH4 in Ionic Liquids: Ideal CO2/CH4 Selectivity
journal, February 2014

  • Ramdin, Mahinder; Amplianitis, Aris; Bazhenov, Stepan
  • Industrial & Engineering Chemistry Research, Vol. 53, Issue 40, p. 15427-15435
  • https://doi.org/10.1021/ie4042017

Modular polymerized ionic liquid block copolymer membranes for CO2/N2 separation
journal, January 2014

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