Process for leaching copper oxide by replacing sulfuric acid with a non-polluting organic leaching agent

Colombia Patent

APP PUB NO CO-6741173-A2
SERIAL NO

13138412

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Abstract

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Process for leaching copper oxide without the use of sulfuric acid where it comprises impregnating said copper oxide using a non-contaminating organic leaching agent consisting of an aqueous solution composed of tricarboxylic acid (CHO) in combination with water, in a mixture with a acidity that varies between pH 1.0 to 5.0; obtain copper citrate; and optionally irrigating said copper oxide impregnated with said non-contaminating organic leaching agent, obtaining a more concentrated copper citrate.

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Patent Owner(s)

Patent OwnerAddress
PROKUMET SPACLPROVIDENCIA SANTIAGO

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Inventor(s)

Inventor Name Address
AGHEMIO RODRIGUEZ LUIS HUMBERTO CL

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