JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Catalysis, Kinetics and Reactor Design
Equilibrium and Reaction Rate of Reversible BaO-BaO2 Reaction for Oxygen Production
CHANGCHUN JINTAKASHI SUEHIROAKIO KODAMAMOTONOBU GOTOTSUTOMU HIROSE
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2001 Volume 34 Issue 2 Pages 279-282

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Abstract

The reversible oxidation of barium oxide and the subsequent decomposition of barium peroxide are investigated by a volumetric measurement for the application to oxygen production. The reaction was run under isothermal and isobaric conditions at temperatures ranging between 600-950°C and oxygen pressures up to 3 atm, and the equilibrium relationship between temperature, oxygen pressure and BaO/BaO2 composition was studied. The oxygen acceptor prepared by pelletizing a mixture of barium peroxide and magnesium oxide shows a long lifetime without disintegration and loss of reactivity, and high conversions are obtained in short reaction time of several minutes in both oxidation and reduction.

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© 2001 The Society of Chemical Engineers, Japan
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