Characterization and Applications of Calcium Ferrites Based Materials Containing Active Oxygen Species

Daisuke Hirabayashi; Takeshi Yoshikawa; Yoshiki Kawamoto; Kazuhiro Mochizuki; Kenzi Suzuki

doi:10.4028/www.scientific.net/AST.45.2169

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 45Characterization and Applications of Calcium...

Characterization and Applications of Calcium Ferrites Based Materials Containing Active Oxygen Species

Abstract:

Characterization and application of calcium ferrites based solid solutions containing active oxygen species for catalysts in propylene total and methane partial oxidation has been studied. The calcium ferrite based solutions containing brownmillerite phases showed a structural transition based on the migration of oxide ions at high temperature. The calcium ferrite solution provided two types of active oxygen species due to the existence of the brownmillerite phase. These oxygen species individually played important roles in the propylene and methane oxidation mechanisms.

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Periodical:

Advances in Science and Technology (Volume 45)

Pages:

2169-2175

DOI:

https://doi.org/10.4028/www.scientific.net/AST.45.2169

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Online since:

October 2006

Authors:

Daisuke Hirabayashi, Takeshi Yoshikawa, Yoshiki Kawamoto, Kazuhiro Mochizuki, Kenzi Suzuki

Keywords:

Brownmillerite, Calcium Ferrites, Oxidation Catalysts, Phase Transition

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