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Gurkan BE, de la Fuente JC, Mindrup EM, et al. Equimolar CO(2) absorption by anion-functionalized ionic liquids. J Am Chem Soc. 2010;132(7):2116-7doi: 10.1021/ja909305t.
Gurkan, B. E., de la Fuente, J. C., Mindrup, E. M., Ficke, L. E., Goodrich, B. F., Price, E. A., Schneider, W. F., & Brennecke, J. F. (2010). Equimolar CO(2) absorption by anion-functionalized ionic liquids. Journal of the American Chemical Society, 132(7), 2116-7. https://doi.org/10.1021/ja909305t
Gurkan, Burcu E, et al. "Equimolar CO(2) absorption by anion-functionalized ionic liquids." Journal of the American Chemical Society vol. 132,7 (2010): 2116-7. doi: https://doi.org/10.1021/ja909305t
Gurkan BE, de la Fuente JC, Mindrup EM, Ficke LE, Goodrich BF, Price EA, Schneider WF, Brennecke JF. Equimolar CO(2) absorption by anion-functionalized ionic liquids. J Am Chem Soc. 2010 Feb 24;132(7):2116-7. doi: 10.1021/ja909305t. PMID: 20121150.
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J Am Chem Soc. 2010 Feb 24;132(7):2116-7. doi: 10.1021/ja909305t.

Equimolar CO(2) absorption by anion-functionalized ionic liquids.

Journal of the American Chemical Society

Burcu E Gurkan, Juan C de la Fuente, Elaine M Mindrup, Lindsay E Ficke, Brett F Goodrich, Erica A Price, William F Schneider, Joan F Brennecke

Affiliations

  1. Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA.

PMID: 20121150 DOI: 10.1021/ja909305t

Abstract

Amino acid ionic liquid trihexyl(tetradecyl)phosphonium methioninate [P(66614)][Met] and prolinate [P(66614)][Pro] absorb CO(2) in nearly 1:1 stoichiometry, surpassing by up to a factor of 2 the CO(2) capture efficiency of previously reported ionic liquid and aqueous amine absorbants for CO(2). Room temperature isotherms are obtained by barometric measurements in an accurately calibrated stirred cell, and the product identity is confirmed using in situ IR. Density functional theory (DFT) calculations support the 1:1 reaction stoichiometry and predict reaction enthalpies in good agreement with calorimetric measurements and isotherms.

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