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Influence of Moisture on CO2 Separation from Gas Mixture by a Nanoporous Adsorbent Based on Polyethylenimine-Modified Molecular Sieve MCM-41
Abstract
Adsorption separation of CO 2 from simulated flue gas containing CO 2, O 2, and N 2 with and without moisture was investigated using a novel nanoporous adsorbent based on polyethylenimine (PEI)-modified mesoporous molecular sieve MCM-41 in a flow system. The CO 2 adsorption capacity and CO 2 separation selectivity of MCM-41 were greatly improved by loading PEI into its nanosized pore channels, which made the resulting adsorbent operating like a “molecular basket” for CO 2 . CO 2 adsorption capacity of the MCM-41-PEI adsorbent for the simulated moist flue gas was higher than that for the simulated dry flue gas. CO 2 separation selectivity of the MCM-41-PEI adsorbent was also improved in the presence of moisture when compared with those in the dry gas condition. The influence of moisture concentrations in the simulated flue gas on the CO 2 adsorption separation performance was also examined. The results of adsorption/desorption separation cycles showed that the MCM-41-PEI adsorbent was stable over 10 cycles of adsorption/desorption operations. The hydrothermal stability of the “molecular basket” adsorbent was better than that of the MCM-41 support alone.
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Citations
Cited by
Post-Combustion CO 2 Capture Using Solid Sorbents: A Review
Samanta, A., Zhao, A., Shimizu, G. K. H., Sarkar, P., & Gupta, R. (2012) · Industrial & Engineering Chemistry Research · doi:10.1021/ie200686q · Cited by 1,889
A Review of CO2 Capture by Absorption and Adsorption
Yu, C.-H., Huang, C.-H., & Tan, C.-S. (2012) · Aerosol and Air Quality Research · doi:10.4209/aaqr.2012.05.0132 · Cited by 1,730
Air as the renewable carbon source of the future: an overview of CO2 capture from the atmosphere
Goeppert, A., Czaun, M., Surya Prakash, G. K., & Olah, G. A. (2012) · Energy & Environmental Science · doi:10.1039/c2ee21586a · Cited by 724
Porous materials for carbon dioxide separations
Siegelman, R. L., Kim, E. J., & Long, J. R. (2021) · Nature Materials · doi:10.1038/s41563-021-01054-8 · Cited by 722
Sorbents for the Direct Capture of CO 2 from Ambient Air
Shi, X., Xiao, H., Azarabadi, H., Song, J., Wu, X., Chen, X., & Lackner, K. S. (2020) · Angewandte Chemie International Edition · doi:10.1002/anie.201906756 · Cited by 679
Metadata
- Authors
- Xu, X., Song, C., Miller, B. G., & Scaroni, A. W.
- Venue
- Industrial & Engineering Chemistry Research
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-09-17
- Volume
- 44
- Issue
- 21
- Pages
- 8113-8119
- ISSN
- 0888-5885 (ISSN-L)
- 1520-5045
- OpenAlex
- W1983296264
- Cited by
- 379
- References
- 0
- FWCI
- 9.21
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xu, X., Song, C., Miller, B. G., & Scaroni, A. W. (2005). Influence of Moisture on CO2 Separation from Gas Mixture by a Nanoporous Adsorbent Based on Polyethylenimine-Modified Molecular Sieve MCM-41. Industrial & Engineering Chemistry Research. https://doi.org/10.1021/ie050382n
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