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:
Jun. 04, 2013
Filed:
Jun. 16, 2009
Applicants:
Houyuan Liu, Henderson, NV (US);
Eric Girvan Roche, Booragul, AU;
Inventors:
Houyuan Liu, Henderson, NV (US);
Eric Girvan Roche, Booragul, AU;
Assignee:
BHP Billiton SSM Development Pty Ltd., Perth, Western Australia, AU;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 3/06 (2006.01); C22B 3/44 (2006.01); C22B 23/00 (2006.01); C01F 7/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heap leach process for the recovery of nickel and/or cobalt from a laterite ore, said process including the steps of: a) providing one or more heaps of a nickeliferous laterite ore; b) leaching the ore in a heap leach step by applying acid to one or more heaps to provide a pregnant leach solution; c) neutralizing the pregnant leach solution with ground saprolite ore; and d) recovering the nickel and/or cobalt from the neutralized pregnant leach solution.