Leach column and method for metal recovery
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United States of America Patent
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Issued Date -
Sep 9, 2004
app pub date -
Mar 4, 2003
filing date -
Mar 4, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A leach column (10) and method for the separation and recovery of metals from mixtures. The column (10) is adapted to be electrically charged to enhance metal recovery. Particularly, a pair of electrical connections (20), (22) are positioned in the column (10) to create an electrical charge in the presence of a leaching solution (18) and a metal-containing mixture (26) to enhance leaching of the metal from the mixture. In an exemplary embodiment, the leach column (10) is used for the recovery of platinum from platinum-containing coatings on jet engine components.
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