Preparation of Magnesium Carbonate Whisker by Using Magnesite Tailings

Abstract:

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Magnesium carbonate whisker was prepared by thermal decomposition of Mg(HCO3)2 solution that was prepared through hydration and carbonation of light burnt magnesia derived from magnesite tailings. The effects of thermal decomposition conditions on the morphology of magnesium carbonate crystal were investigated. Magnesium carbonate whiskers were successfully prepared when a kind of soluble magnesium salt was added, and magnesium carbonate whiskers with the length of 20 to 60μm and aspect ratio of 10~20 were obtained under the condition of 50 °C thermal decomposition temperature and 200 rpm stirring intensity.

Info:

Periodical:

Materials Science Forum (Volumes 654-656)

Main Theme:

Edited by:

Jian-Feng Nie and Allan Morton

Pages:

2022-2024

DOI:

10.4028/www.scientific.net/MSF.654-656.2022

Citation:

N. Wang et al., "Preparation of Magnesium Carbonate Whisker by Using Magnesite Tailings", Materials Science Forum, Vols. 654-656, pp. 2022-2024, 2010

Online since:

June 2010

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$35.00

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