CO2 absorption properties of lithium ferrite for application as a high-temperature CO2 absorbent

Masahiro Kato, Kenji Essaki, Kazuaki Nakagawa, Yukiko Suyama, Koichi Terasaka

研究成果: Article

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Lithium ferrite was investigated with a view to its application as a new CO2 absorbent capable of absorbing CO2 at around 500°C and emitting CO2 at temperatures of less than 750°C. From the TG analysis, equilibrium temperature of lithium ferrite, at which CO2 absorption apparently stops and emission starts, is found to be around 530°C. This temperature is almost the same as that obtained from thermodynamic calculation and about 200°C lower than those of Li 2ZrO3 and Li4SiO4. The absorption rate increased as the absorption temperature increased up to 500°C. On the other hand, CO2 emission was completed in about 10 min even in pure CO2 at temperatures of more than 600°C.

元の言語English
ページ(範囲)684-686
ページ数3
ジャーナルJournal of the Ceramic Society of Japan
113
発行部数1322
DOI
出版物ステータスPublished - 2005 10

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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