Heap leaching method

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United States of America Patent

PATENT NO 9816155
SERIAL NO

14422910

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Abstract

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A process of extracting copper from copper sulphide minerals which is enhanced at solution potentials exceeding 700 mV SHE, in the absence of any microorganism, by contacting the minerals in a pre-treatment phase using an acid solution at a high chloride content containing dissolved copper.

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Patent Owner(s)

Patent OwnerAddress
BHP CHILE INCAVDA AMERICO VESPUCIO SUR NO 100 PISO 8 SANTIAGO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nicol, Michael James Mt. Pleasant, AU 1 3
Patiño, Martinez Eduardo Luis Santiago, CL 1 3
Rautenbach, George Frederick Santiago, CL 3 21

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