Methods and systems for leaching a metal-bearing material

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United States of America Patent

PATENT NO 12018349
APP PUB NO 20230090475A1
SERIAL NO

17945451

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Abstract

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Methods for recovering a metal value from a metal-bearing material are provided. The method comprises agglomerating the metal-bearing material with an agglomeration solution comprising a raffinate, an oxidant, and citric acid or salts thereof to form an agglomerated metal-bearing material; leaching the agglomerated metal-bearing material with a leaching solution comprising the raffinate and the citric acid or salts thereof to produce a pregnant leaching solution and a leached material; re-oxidizing the leached material with a curing solution comprising the raffinate and the oxidant; and recovering the metal value from the pregnant leach solution to produce the raffinate.

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Patent Owner(s)

  • FREEPORT MINERALS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lyons, Sarah Vail, US 6 4

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