Method for recovering a copper sulfide concentrate from an ore containing an iron sulfide

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United States of America Patent

PATENT NO 9839917
SERIAL NO

14904696

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In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to 35% by weight is combined with an addition of hydrogen peroxide to the conditioned mineral pulp before or during flotation in order to improve concentrate grade and recovery of copper sulfides.

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Patent Owner(s)

Patent OwnerAddress
EVONIK OPERATIONS GMBHRELLINGHAUSER STRASSE 1-11 ESSEN 45128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arnold, Gerhard Ringwood, US 23 234
Greet, Christopher Greenwith, AU 1 2
Hamann, Ingo Chester, US 12 77
Hitchiner, Alan Morrinsville, NZ 5 9

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