Metal recovery by leaching agglomerates of metal-containing material/pyrite

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United States of America

PATENT NO 11236407
SERIAL NO

16944487

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Abstract

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A method of recovering a metal, such as copper or nickel or zinc or cobalt, from a metal-containing material, such as a metal-containing material that has been categorized by a mine operator as being “non-economic” from the perspective of recovering the metal from the material. Mixing (i) the metal-containing material and (ii) pyrite and forming agglomerates. Leaching agglomerates with a leach liquor, with pyrite generating acid and heat that facilitate recovering the metal from the metal-containing material, and forming a pregnant leach liquor containing metal. Recovering the metal from the pregnant leach liquor.

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Patent Owner(s)

  • RIO TINTO TECHNOLOGICAL RESOURCES INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alcayaga, Zuñiga Javiera del Pilar Santiago, CL 2 4
Brown, Paul Leslie Kiama, AU 11 10
Burley, Adam James London, GB 4 4
Fennel, Mark James South Jordan, US 2 2
Hackl, Ralph Peter Mt. Eliza, AU 21 227
Mladinic, Muñoz Yure Anton Santiago, CL 4 4

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