SPODUMENE CONCENTRATE PROCESSING METHOD Russian patent published in 2004 - IPC

Abstract RU 2222622 C2

FIELD: mining industry. SUBSTANCE: in a method including activation of concentrate, grinding, and sulfuric acid leaching, activation of concentrate is accomplished by melting blend prepared from spodumene concentrate and soda taken in amounts needed to give weight ratio of silicone contained in concentrate to summary amount of sodium and lithium (on conversion to oxides) equal to 1.91-2.61 and, before grinding, melt is granulated in water. EFFECT: enhanced efficiency or recovering both lithium and aluminum. 2 tbl

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RU 2 222 622 C2

Authors

Samojlov Valerij Ivanovich

Shipunov N.I.

Jadryshnikov M.V.

Dates

2004-01-27—Published

2001-12-13—Filed