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Thermal and Chemical Stability of Regenerable Solid Amine Sorbent for CO2 Capture
Abstract
The adsorption and desorption of CO 2 and SO 2 on an amine-grafted SBA-15 sorbent has been studied by in situ infrared spectroscopy coupled with mass spectrometry. CO 2 adsorbed on an amine-grafted sorbent as carbonates and bicarbonates, while SO 2 adsorbed as sulfates and sulfites. The CO 2 adsorption capacity of the amine-grafted sorbent was almost twice as much as that of a commercial sorbent. The adsorption of CO 2 in the presence of H 2 O and D 2 O shows an isotopic shift in the IR frequency of adsorbed carbonate and bicarbonate bands, revealing that water plays a role in the CO 2 adsorption on amine-grafted sorbents. Although the rate of adsorption of SO 2 was slower than that of CO 2, the adsorbed S surface species is capable of blocking the active amine sites for CO 2 adsorption. A temperature-programmed degradation study of the amine-grafted sorbent showed that the surface amine species are stable up to 250 °C in air.
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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
CO2 capture by solid adsorbents and their applications: current status and new trends
Wang, Q., Luo, J., Zhong, Z., & Borgna, A. (2011) · Energy Environ. Sci. · doi:10.1039/c0ee00064g · Cited by 1,611
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
A review on solid adsorbents for carbon dioxide capture
Lee, S.-Y., & Park, S.-J. (2015) · Journal of Industrial and Engineering Chemistry · doi:10.1016/j.jiec.2014.09.001 · Cited by 707
Metadata
- Authors
- Khatri, R. A., Chuang, S. S. C., Soong, Y., & Gray, M.
- Venue
- Energy & Fuels
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-06-10
- Volume
- 20
- Issue
- 4
- Pages
- 1514-1520
- ISSN
- 0887-0624 (ISSN-L)
- 1520-5029
- OpenAlex
- W1997292086
- Cited by
- 421
- References
- 0
- FWCI
- 21.53
- Type
- journal article
- Language
- en
- Open access
- closed
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- Khatri, R. A., Chuang, S. S. C., Soong, Y., & Gray, M. (2006). Thermal and Chemical Stability of Regenerable Solid Amine Sorbent for CO2 Capture. Energy & Fuels. https://doi.org/10.1021/ef050402y
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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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