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Evaluation of CO2 Absorbent/De-Absorbent by AAO/CaO Membrane

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Abstract:

This paper discussed the fabrication of anodic aluminum oxide (AAO)/CaO core-shell membrane by anodization and sol-gel processes and evaluated the relationship between the Al2O3/CaO and CO2 by thermodynamic calculation. According to thermodynamic property that CaO can reacts with CO2 forming calcium carbonate (CaCO3) in a lower temperature ranges, CaCO3 can also be decomposed to CaO in a higher temperature ranges. Because the reversible reaction property that CaO can be a CO2 absorbent/ de-absorbent. We address that AAO based on core-shell nanotubes structure to achieve such a demand. The captured CO2 can further convert to fuel material of hydrocarbons.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

1856-1859

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.1856

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Online since:

May 2013

Authors:

Chien Chon Chen, Yen Po Wang

Keywords:

AAO, Anodization, CaO, CO2, Nanotubes

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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