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Solubility of CO2in Room Temperature Ionic Liquid [hmim][Tf2N]
Abstract
Solubility measurements of carbon dioxide in 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide have been performed with a gravimetric microbalance at temperatures of about 282, 297, 323, and 348 K and pressures up to about 2 MPa. Two different sources for the ionic liquid are examined in this work: an ultrapure sample from NIST (the IUPAC task force sample) and a commercially available sample. Both samples show nearly identical solubility behaviors, being undistinguishable within experimental uncertainties. Solubility (pressure-temperature-composition) data have been well correlated with an equation-of-state (EOS) model used in our previous works. The EOS model calculations are compared with experimental solubility data for the same system in the literature. The present EOS has predicted partial immiscibility at the CO2-rich side solutions. To prove this prediction, vapor-liquid-liquid equilibrium experiments have been made, and our predictions have been confirmed.
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Citations
Cited by
Improving Carbon Dioxide Solubility in Ionic Liquids
Muldoon, M. J., Aki, S. N. V. K., Anderson, J. L., Dixon, J. K., & Brennecke, J. F. (2007) · The Journal of Physical Chemistry B · doi:10.1021/jp071897q · Cited by 800
Carbon dioxide utilization with C–N bond formation: carbon dioxide capture and subsequent conversion
Yang, Z.-Z., He, L.-N., Gao, J., Liu, A.-H., & Yu, B. (2012) · Energy & Environmental Science · doi:10.1039/c2ee02774g · Cited by 520
Physical and Chemical Absorptions of Carbon Dioxide in Room-Temperature Ionic Liquids
Yokozeki, A., Shiflett, M. B., Junk, C. P., Grieco, L. M., & Foo, T. (2008) · The Journal of Physical Chemistry B · doi:10.1021/jp805784u · Cited by 462
Self-citationScreening of ionic liquids to capture CO2 by COSMO‐RS and experiments
Zhang, X., Liu, Z., & Wang, W. (2008) · AIChE Journal · doi:10.1002/aic.11573 · Cited by 294
Goodrich, B. F., de la Fuente, J. C., Gurkan, B. E., Lopez, Z. K., Price, E. A., Huang, Y., & Brennecke, J. F. (2011) · The Journal of Physical Chemistry B · doi:10.1021/jp2015534 · Cited by 272
Metadata
- Authors
- Shiflett, M. B., & Yokozeki, A.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-02-01
- Volume
- 111
- Issue
- 8
- Pages
- 2070-2074
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W1999825056
- Cited by
- 258
- References
- 0
- FWCI
- 9.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Shiflett, M. B., & Yokozeki, A. (2007). Solubility of CO2in Room Temperature Ionic Liquid [hmim][Tf2N]. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp067627%2B
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