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High Temperature Materials and Processes

Editor-in-Chief: Fukuyama, Hiroyuki

Editorial Board: Waseda, Yoshio / Fecht, Hans-Jörg / Reddy, Ramana G. / Manna, Indranil / Nakajima, Hideo / Nakamura, Takashi / Okabe, Toru / Ostrovski, Oleg / Pericleous, Koulis / Seetharaman, Seshadri / Straumal, Boris / Suzuki, Shigeru / Tanaka, Toshihiro / Terzieff, Peter / Uda, Satoshi / Urban, Knut / Baron, Michel / Besterci, Michael / Byakova, Alexandra V. / Gao, Wei / Glaeser, Andreas / Gzesik, Z. / Hosson, Jeff / Masanori, Iwase / Jacob, Kallarackel Thomas / Kipouros, Georges / Kuznezov, Fedor


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Open Access
Online
ISSN
2191-0324
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Volume 33, Issue 4

Issues

Reaction Kinetics of Fe2O3 and BaCO3 to Prepare Ba2Fe2O5

Jun-Hao Liu
  • State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
  • Other articles by this author:
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/ Guo-Hua Zhang
  • State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
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  • De Gruyter OnlineGoogle Scholar
/ Kuo-Chih Chou
  • Corresponding author
  • State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
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Published Online: 2013-11-06 | DOI: https://doi.org/10.1515/htmp-2013-0057

Abstract

Carbon dioxide is a greenhouse gas and substantially affects the global warming and climate change, so study on the adsorption of carbon dioxide is very urgent. As a new CO2 captor, Ba2Fe2O5 was prepared by the solid state reaction of Fe2O3 with BaCO3, following formula Fe2O3 + 2BaCO3 = Ba2Fe2O5 + 2CO2. The reaction kinetics in isothermal condition was investigated by using the method of thermo-gravimetric analyzer (TGA). It was found that the reaction of Fe2O3 with BaCO3 was controlled by the diffusion step in the product layer, and the kinetics process could be described by the RPP model (Real Physical Picture) with the apparent activation energy extracted to be 161.122 kJ/mol.

Keywords: Ba2Fe2O5; thermo-gravimetric analyzer; kinetics

About the article

Received: 2013-06-18

Accepted: 2013-09-10

Published Online: 2013-11-06

Published in Print: 2014-08-01


Citation Information: High Temperature Materials and Processes, Volume 33, Issue 4, Pages 319–323, ISSN (Online) 2191-0324, ISSN (Print) 0334-6455, DOI: https://doi.org/10.1515/htmp-2013-0057.

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