Process for recovering precious metals
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United States of America Patent
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-
Sep 15, 1981
Grant Date -
N/A
app pub date -
Feb 12, 1980
filing date -
Feb 12, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Platinum, palladium and other precious metals are recovered from aqueous media containing precious metal ions in solution by contacting the metal-containing solution with a proteinaceous material selected from the group consisting of feathers, hair, hoof meal and horn meal to collect the metals in concentrated insoluble form, and recovering metal from the proteinaceous material.
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