Precious metal recovery using thiocyanate lixiviant
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United States of America Patent
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May 24, 2011
Grant Date -
Nov 26, 2009
app pub date -
Jun 1, 2009
filing date -
Apr 4, 2003
priority date (Note) -
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Abstract
Mineral materials comprising copper and precious metal are subjected to an acidic leach of the copper followed by an acidic thiocyanate leach of the precious metal.
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