SYSTEMS AND METHODS FOR COBALT RECOVERY
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Mar 13, 2013
filing date -
Mar 13, 2013
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Abstract
Various embodiments provide a method comprising producing a cobalt hydroxide bearing material, leaching the cobalt hydroxide hearing material to form a slurry, filtering the slurry to yield solids and a cobalt bearing liquid phase, performing a solution extraction of the cobalt bearing liquid phase to yield a purified cobalt bearing liquid phase, conditioning a first portion of the purified cobalt bearing liquid phase to yield a conditioned cobalt bearing solution and, electrowinning the conditioned cobalt bearing solution to yield cobalt metal.
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