期刊
ACS APPLIED MATERIALS & INTERFACES
卷 2, 期 11, 页码 3363-3372出版社
AMER CHEMICAL SOC
DOI: 10.1021/am100786z
关键词
CO2 capture; supported amine; deactivation; steam stability
资金
- Global Thermostat
- LLC
- School of Chemical & Biomolecular Engineering at Georgia Tech via the J. Carl & Sheila Pirkle Faculty Fellowship
- Dreyfus Foundation
- King Abdullah University of Science and Technology (KAUST) [KUS-11-011-21]
- DOE-NETL [FE0002438]
Three classes of amine-functionalized mesocellular foam (MCF) materials are prepared and evaluated as CO2 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 CO2 capacity and organic content of all adsorbents decrease after steam treatment under both stream/air and stream/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 CO2 capacity of the adsorbents compared to steam/nitrogen.
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