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Lithium Extraction Mechanism from α-Spodumene by Fluorine Chemical Method

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Abstract:

In order to decrease lithium extraction cost, pollution and energy. A new and efficient technology was particularly discussed in this paper, the fluorine chemical method to extract lithium from spodumene. The reaction mechanism had also been analysed by studying the crystal structure variation and reaction products. The results show that hydrofluoric acid corroded α-spodumene in low temperature, damaged the compact chemical bonds: Li-O, Al-O, Si-O, and Al-O-Si, and generated Li3AlF6 and AlF3, which can be dissolved in sulfuric acid. Our research provides theoretical guidance for the lithium extraction process from α-spodumene.

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Periodical:

Advanced Materials Research (Volumes 524-527)

Pages:

2011-2016

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.524-527.2011

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Online since:

May 2012

Authors:

Ge Kuang, Zhi Bin Chen, Hui Guo, Ming Hao Li

Keywords:

Corrosion, Fluorine Chemical, Lithium Extraction Technology, α-Spodumene

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