Purification process for gold-bearing iodine lixiviant
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United States of America Patent
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Jun 25, 1991
Grant Date -
N/A
app pub date -
May 1, 1990
filing date -
May 12, 1989
priority date (Note) -
Expired
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Abstract
A process for purifying gold-bearing iodine lixiviant characterized by bringing the gold-bearing lixiviant into contact with a strongly acidic cation-exchange resin to selectively adsorb heavy metals while allowing gold and iodine to pass therethrough. The process is particularly useful for purifying gold-bearing iodine lixiviant prior to recovering the gold by electrolysis.
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