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CO2 Chemisorption on Li5AlO4: Effects of Sodium and Potassium Carbonate Addition

Published online by Cambridge University Press:  01 October 2015

M. Teresa Flores-Martínez  and
Heriberto Pfeiffer
M. Teresa Flores-Martínez
Affiliation:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, Del. Coyoacán, CP 04510, México D.F, México.
Heriberto Pfeiffer
Affiliation:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, Del. Coyoacán, CP 04510, México D.F, México.
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Abstract

In this work, Na- and K-doped β-Li5AlO4 samples were synthesized, characterized and analyzed thermogravimetrically (dynamically and isothermally), under different CO2 conditions. Additionally, chemisorption/desorption cycles were performed for the best chemical compositions and thermal conditions determined. While the CO2 chemisorption of the Na- and K-doped β-Li5AlO4 samples was improved at high temperatures (450 -700 °C), the opposite effect was observed at lower temperatures as well as in the presence of water vapor.

Keywords

ceramicsurface reactionthermogravimetric analysis (TGA)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1765: Symposium 4A – Advanced Structural Materials—2014 , 2015 , pp. 109 - 114
Copyright
Copyright © Materials Research Society 2015 

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References

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