Systems and methods for metal recovery

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United States of America Patent

PATENT NO 8920773
SERIAL NO

13716819

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Abstract

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Various embodiments provide a process roasting a metal bearing material under oxidizing conditions to produce an oxidized metal bearing material, roasting the oxidized metal bearing material under reducing conditions to produce a roasted metal bearing material, leaching the roasted metal hearing material in a basic medium to yield a pregnant leach solution, conditioning the pregnant leach solution to thrill a preprocessed metal bearing material; and leaching the preprocessed metal bearing material in acid medium.

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Patent Owner(s)

Patent OwnerAddress
FREEPORT MINERALS CORPORATION333 NORTH CENTRAL AVENUE PHOENIX AS 85004

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baughman, David R Golden, US 41 454
Bolles, Thomas R Tucson, US 11 25
Hazen, Wayne W Lakewood, US 60 469
May, Lawrence D Westminster, US 4 3
Robertson, Joanna M Thatcher, US 39 320
Smith, Jay C Pearl River, US 10 82

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