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Structural Changes of Silica Mesocellular Foam Supported Amine-Functionalized CO2 Adsorbents Upon Exposure to Steam
Abstract
Three classes of amine-functionalized mesocellular foam (MCF) materials are prepared and evaluated as CO(2) adsorbents. The stability of the adsorbents under steam/air and steam/nitrogen conditions is investigated using a Parr autoclave reactor to simulate, in an accelerated manner, the exposure that such adsorbents will see under steam stripping regeneration conditions at various temperatures. The CO(2) capacity and organic content of all adsorbents decrease after steam treatment under both steam/air and steam/nitrogen conditions, primarily due to structural collapse of the MCF framework, but with additional contributions likely associated with amine degradation during treatment under harsh conditions. Treatment with steam/air is found to have stronger effect on the CO(2) capacity of the adsorbents compared to steam/nitrogen.
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Metadata
- Authors
- Li, W., Bollini, P., Didas, S. A., Choi, S., Drese, J. H., & Jones, C. W.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-11-09
- Volume
- 2
- Issue
- 11
- Pages
- 3363-3372
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2321233750
- Cited by
- 170
- References
- 0
- FWCI
- 23.73
- Type
- journal article
- Language
- en
- Open access
- closed
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