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:
Sep. 18, 2012
Filed:
Mar. 19, 2009
Applicants:
Houyuan Liu, Henderson, NV (US);
Graham Andrew Reynolds, New South Wales, AU;
Inventors:
Houyuan Liu, Henderson, NV (US);
Graham Andrew Reynolds, New South Wales, AU;
Assignee:
BHP Billiton SSM Development Pty Ltd., Perth, AU;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 3/08 (2006.01); C22B 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An atmospheric leaching process for the recovery of a nickel and cobalt from a lateritic ore includes (a) preparing a slurry of the lateritic ore with saline or hypersaline water having a total dissolved solids (TDS) content greater than 30 g/L; (b) leaching the slurry of the lateritic ore with sulfuric acid at atmospheric pressure, and (c) recovering nickel and cobalt from the resultant leachate.