Recovery of Li values from sodium saturate brine
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United States of America Patent
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Nov 13, 2012
Grant Date -
Jun 7, 2012
app pub date -
Nov 3, 2011
filing date -
Dec 6, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a process for recovering Li values from a sodium saturated brine. The process includes recovering Li values from a sodium saturated brine which contains LiX. The process includes concentrating the sodium saturated brine to at least 9000 mg/l LiX, passing the concentrated brine through a bed of polycrystalline hydrated alumina pellets until the pellets are loaded with LiX from the concentrated brine, displacing brine held-up in the bed by using concentrated NaX, unloading LiX from the pellets by flowing through the bed an aqueous solution of LiX which is not saturated, displacing the LiX from the bed using concentrated NaX, and repeating the steps at least one additional time to provide the Li values.
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