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Highly Efficient and Reversible SO2 Capture by Tunable Azole-Based Ionic Liquids through Multiple-Site Chemical Absorption
Abstract
A novel strategy for SO(2) capture through multiple-site absorption in the anion of several azole-based ionic liquids is reported. An extremely high capacity of SO(2) (>3.5 mol/mol) and excellent reversibility (28 recycles) were achieved by tuning the interaction between the basic anion and acidic SO(2). Spectroscopic investigations and quantum-mechanical calculations showed that such high SO(2) capacity originates from the multiple sites of interaction between the anion and SO(2). These tunable azole-based ionic liquids with multiple sites offer significant improvements over commonly used absorbents, indicating the promise for industrial applications in acid gas separation.
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Cites
Density-functional thermochemistry. III. The role of exact exchange
Becke, A. D. (1993) · The Journal of Chemical Physics · doi:10.1063/1.464913 · Cited by 103,767
Lee, C., Yang, W., & Parr, R. G. (1988) · Physical Review B · doi:10.1103/physrevb.37.785 · Cited by 100,874
Cited by
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Ionic liquid/water mixtures: from hostility to conciliation
Kohno, Y., & Ohno, H. (2012) · Chemical Communications · doi:10.1039/c2cc31638b · Cited by 366
Chemically Tunable Ionic Liquids with Aprotic Heterocyclic Anion (AHA) for CO2 Capture
Seo, S., Quiroz-Guzman, M., DeSilva, M. A., Lee, T. B., Huang, Y., Goodrich, B. F., Schneider, W. F., & Brennecke, J. F. (2014) · The Journal of Physical Chemistry B · doi:10.1021/jp502279w · Cited by 265
Metadata
- Authors
- Wang, C., Cui, G., Luo, X., Xu, Y., Li, H., & Dai, S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-07-15
- Volume
- 133
- Issue
- 31
- Pages
- 11916-11919
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1985484462
- Cited by
- 390
- References
- 2
- FWCI
- 47.81
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, C., Cui, G., Luo, X., Xu, Y., Li, H., & Dai, S. (2011). Highly Efficient and Reversible SO2 Capture by Tunable Azole-Based Ionic Liquids through Multiple-Site Chemical Absorption. Journal of the American Chemical Society. https://doi.org/10.1021/ja204808h
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