Precious metals recovery from ores
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United States of America Patent
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Nov 30, 1999
Issued Date -
N/A
app pub date -
Sep 12, 1997
filing date -
Nov 16, 1994
priority date (Note) -
Expired
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Abstract
A process for recovery of a precious metals containing mineral from a non-sulphidic gangue mineral comprising: preparing a pulp of a material containing the precious metals containing and gangue minerals; conditioning the pulp with an oxidizing gas containing a gas selected from oxygen and ozone; and subjecting the conditioned pulp to a flotation operation for recovery of the precious metals containing mineral.
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