Method for processing spodumene

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United States of America Patent

PATENT NO 9068240
APP PUB NO 20130042438A1
SERIAL NO

13643502

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Abstract

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The invention relates to a method for thermally processing α-spodumene, i.e. lithium aluminum silicate, by which treatment it is transformed into β-spodumene, which is more advantageous for further processing; in the method, concentrate or ore with a grain size of 20-1,000 μm is processed in a fluidized bed reactor, at a temperature of 800-1,000° C., by using an oxygenous gas as the fluidizing gas.

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Patent Owner(s)

  • OUTOTEC OYJ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Metsärinta, Maija-Leena Vanha-Ulvila, FI 2 0

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