A mild route for the preparation of calcium carbonate rod bundles in large scale from carbide slag

In this article, a powerful method to synthesize uniform CaCO3 rod bundles with a high mass fraction of aragonite from carbide slag in large‐scale production via a two‐step leaching‐precipitation process is reported. The effects of the addition of ethylene glycol and reaction temperature on the stru...

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Bibliographic Details
Published inMicro & nano letters Vol. 16; no. 3; pp. 187 - 193
Main Authors Yang, Baojun, Shao, Zongqi, Zhang, Dongxue, Wang, Bainian
Format Journal Article
LanguageEnglish
Published Stevenage John Wiley & Sons, Inc 01.03.2021
Wiley
Subjects
Aragonite
Calcium carbonate
Carbides
Electron microscopes
Engineering materials
Environmental issues
Ethanol
Ethylene glycol
Fourier transforms
Industrial processes
Leaching
Methods of nanofabrication and processing
Morphology
Reagents
Silicon wafers
Slag
Spectrum analysis
Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials
Temperature
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Summary:In this article, a powerful method to synthesize uniform CaCO3 rod bundles with a high mass fraction of aragonite from carbide slag in large‐scale production via a two‐step leaching‐precipitation process is reported. The effects of the addition of ethylene glycol and reaction temperature on the structure and morphology of the prepared CaCO3 samples were investigated and then demonstrated by the experimental results. It is beneficial to increase the mass fraction of aragonite in CaCO3 samples and ensure the formation of regular rod bundles in morphology when the addition of ethylene glycol is 30 mL and the reaction temperature is 80 °C. The formation mechanism of the CaCO3 rod bundles was preliminarily discussed according to the Muffins–Sekerka theory.
ISSN:1750-0443
1750-0443
DOI:10.1049/mna2.12006