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HomeKey Engineering MaterialsKey Engineering Materials Vol. 697A Novel Method for Preparing Calcium Carbonate...

A Novel Method for Preparing Calcium Carbonate Particles: Thermal Decomposition from Calcium Hydrogen Carbonate Solution

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Abstract:

An entirely novel preparation method of calcium carbonate (CaCO₃) from calcium hydrogen carbonate (Ca (HCO₃)₂) solution was presented and named as thermal decomposition. The variation of the polymorphs and morphologies of CaCO₃ particles with reaction temperature was investigated. XRD result indicates that high temperature favors the formation of calcite. Cubic or rhombohedra calcite crystals, lamellar and spherical vaterite crystals and rod– and needle–like aragonite crystals are found in powder synthesized at different temperatures. The reaction process was also discussed in the present work.

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High-Performance Ceramics IX

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Periodical:

Key Engineering Materials (Volume 697)

Pages:

113-118

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.697.113

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Online since:

July 2016

Authors:

Hui Yan Zeng, Zi Ling Yan, Meng Ran Jiao, Dong Dong Xu, Jiu Xin Jiang*

Keywords:

Calcium Carbonate, Calcium Hydrogen Carbonate, Thermal Decomposition

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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