The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2015
Filed:
Mar. 14, 2013
Applicant:
Freeport-mcmoran Corporation, Phoenix, AZ (US);
Inventors:
Joanna M Robertson, Thatcher, AZ (US);
Thomas R Bolles, Tucson, AZ (US);
Dennis D Gertenbach, Lakewood, CO (US);
Assignee:
FREEPORT MINERALS CORPORATION, Phoenix, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 3/14 (2006.01); C22B 3/44 (2006.01); C22B 15/00 (2006.01); C22B 23/00 (2006.01); C22B 3/00 (2006.01);
U.S. Cl.
CPC ...
C22B 15/0078 (2013.01); C22B 3/14 (2013.01); C22B 3/44 (2013.01); C22B 15/0089 (2013.01); C22B 23/0446 (2013.01); C22B 23/0461 (2013.01);
Abstract
Systems and methods for basic leaching are provided. In various embodiments, a method is provided comprising leaching a slurry comprising a copper bearing material and a leach medium comprising ammonia and ammonium carbonate, adding copper powder to the slurry, separating the slurry into a pregnant leach solution and solids, and performing a solvent extraction on the pregnant leach solution to produce an loaded aqueous stream.