Mechanical activation of α-spodumene for further processing into lithium compounds |
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| Authors: | N P Kotsupalo L T Menzheres A D Ryabtsev V V Boldyrev |
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| Affiliation: | 1. ZAO Ecostar-Nautech, Novosibirsk, Russia
2. Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
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| Abstract: | The mechanical activation of α-spodumene in centrifugal planetary apparatuses changed the structure of the mineral and caused the cleavage of the Me-O (Me-Li, Al) bonds. Further treatment with acids and alkali led to the nearly complete transition of aluminum and lithium to the liquid phase. The alkaline decomposition of activated α-spodumene formed aluminate solutions, from which lithium aluminum hydroxide LiOH · 2Al(OH)3 · mH2O was precipitated. |
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