Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
Research Paper
Reaction of Cr and Cr Oxide with NaCl at Elevated Temperature
Nobuhiko HiraideTatsuhisa MunenoHaruhiko Kajimura
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Keywords: Cr, NaCl, Cr2O3, Na2CrO4, Cr chloride
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2009 Volume 58 Issue 10 Pages 348-355

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Abstract

Reaction of Cr and Cr2O3 with NaCl were investigated in air at 673-973 K. In the presence of NaCl, mass gain of Cr was remarkably accelerated. Na2CrO4 and Cl2 were produced during heating Cr2O3 with NaCl. Na2CrO4, Cl2, CrCl2, CrCl3, and Cr2O3 were produced when Cr was heated with NaCl. Na2CrO4 and Cl2 were produced by the reaction of Cr with NaCl and O2. CrCl2 and CrCl3 were produced by the reaction of Cr with Cl2. Na2CrO4, CrCl2 and CrCl3 accelerated the oxidation of Cr.

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© 2009 Japan Society of Corrosion Engineering
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