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Mathematical Modeling of the Process of Oxidation of Dispersed Aluminum by Water

  • KINETICS AND MECHANISM OF CHEMICAL REACTIONS, CATALYSIS
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Abstract

The notable interest in the practical use of the process of oxidation of dispersed aluminum by water as a source of hydrogen gas for the needs of hydrogen energy requires not only an understanding of the mechanism of the process but also the capability of its mathematical modeling. In the present work, such a modeling was performed based on the results of an experimental study of the kinetics and mechanism of the oxidation of dispersed aluminum by water carried out earlier by the authors. A model of the oxidation process is proposed; effective activation energies of the processes occurring during the oxidation of aluminum are found. The resulting model made it possible not only to predict the rate of aluminum oxidation by water in the temperature range 50–100°C but also to clarify the mechanism of the process.

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ACKNOWLEDGMENTS

This work was carried out within the framework of the Program of fundamental scientific research of the Russian Academy of Sciences. The authors thank E. Mukhina, the developer of the Thermokinetics 3 program, for her constructive discussion.

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Authors and Affiliations

  1. Talrose Institute of Energy Problems of Chemical Physics, Semyonov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia

    N. S. Shaitura & M. N. Larichev

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  1. N. S. Shaitura
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  2. M. N. Larichev
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Correspondence to N. S. Shaitura.

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Shaitura, N.S., Larichev, M.N. Mathematical Modeling of the Process of Oxidation of Dispersed Aluminum by Water. Russ. J. Phys. Chem. B 14, 760–764 (2020). https://doi.org/10.1134/S1990793120050103

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  • DOI: https://doi.org/10.1134/S1990793120050103

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