Method and apparatus for extraction of metal values from metal bearing ores
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United States of America Patent
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Feb 22, 1994
Grant Date -
N/A
app pub date -
Jun 8, 1992
filing date -
Jun 6, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to the extraction of metal values from metal bearing ores. More specifically, according to the invention, in a process for extracting metal values from metal bearing ores, there is provided a method of enhancing metal value recovery from the ore. The method comprises introducing, upstream of a metal recovery section 26, a gaseous or liquid agent capable of promoting recovery of the metal values from the ore, into the gland service water from at least one of the pumps 30. The introduction of the gaseous or liquid agent is by means of an arrangement 35. The agent may be oxygen.
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