Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480
Research Paper
Carbonation of Magnesium Hydroxide and Formation of Calcareous Deposit in Tidal Zone
Takao KitagawaMakoto TodorobaruKenji SomiyaHiroyuki WakanaAkihiro Tamada
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JOURNAL FREE ACCESS

2008 Volume 57 Issue 5 Pages 235-240

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Abstract

The carbonation of Mg(OH)2 by carbon dioxide in air was examined. Compound, chemical composition, and surface property of the calcareous deposit formed in tidal zone were investigated.
As a result of the carbonation of Mg(OH)2, dypingite was formed. Inside of the calcareous deposits composed of rust and Mg(OH)2 and dypingite. Outside of the calcareous deposits composed of aragonite and dypingite. Thus, it is considered dypingite in the calcareous deposit were formed from Mg(OH)2.

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© 2008 Japan Society of Corrosion Engineering
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