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CO2Adsorption-Based Separation by Metal Organic Framework (Cu-BTC) versus Zeolite (13X)
Abstract
The potential for the metal organic framework (MOF) Cu-BTC to selectively adsorb and separate CO 2 is considered. Isotherms for CO 2, CH 4, and N 2 were measured from 0 to 15 bar and at temperatures between 25 and 105 °C. The isotherms suggest a much higher working capacity (×4) for CO 2 adsorption on Cu-BTC relative to the benchmark zeolite 13X over the same pressure range. Higher CO 2 /N 2 and CO 2 /CH 4 selectivities in the higher pressure range (1−15 bar) and with lower heats of adsorption were also demonstrated. Cu-BTC was observed to be stable in O 2 at 25 °C, but its crystallinity was reduced in humid environments. The CO 2 adsorption capacity was progressively reduced upon cyclic exposure to water vapor at low relative humidity (<30%), but leveled out at 75% of its original value after several water adsorption/desorption cycles.
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García, E. J., Pérez-Pellitero, J., Pirngruber, G. D., Jallut, C., Palomino, M., Rey, F., & Valencia, S. (2014) · Industrial & Engineering Chemistry Research · doi:10.1021/ie500207s · Cited by 63
Jia, Y.-Y., Liu, X.-T., Feng, R., Zhang, S.-Y., Zhang, P., He, Y.-B., Zhang, Y.-H., & Bu, X.-H. (2017) · Crystal Growth & Design · doi:10.1021/acs.cgd.7b00119 · Cited by 18
Metadata
- Authors
- Liang, Z., Marshall, M., & Chaffee, A. L.
- Venue
- Energy & Fuels
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-05-21
- Volume
- 23
- Issue
- 5
- Pages
- 2785-2789
- ISSN
- 0887-0624 (ISSN-L)
- 1520-5029
- OpenAlex
- W2087838285
- Cited by
- 445
- References
- 0
- FWCI
- 16.78
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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