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. 24, 2014
Filed:
May. 12, 2008
Omar Yesid Caceres Hernandez, Bogotá, CO;
Harald Muller, Eleebana, AU;
Graham Reynolds, Kotara South, AU;
Houyuan Liu, Henderson, NV (US);
Omar Yesid Caceres Hernandez, Bogotá, CO;
Harald Muller, Eleebana, AU;
Graham Reynolds, Kotara South, AU;
Houyuan Liu, Henderson, NV (US);
BHP Billiton SSM Development Pty Ltd, Perth, Western Australia, AU;
Abstract
A process is described for the recovery of nickel and/or cobalt from laterite or partially oxidized lateritic ores having a substantial proportion of the iron present in the ferrous state. The process includes providing a laterite or partially oxidized laterite ore wherein a substantial proportion of the iron present in the ore is in the ferrous state; acid leaching the ore to provide a product leach solution containing at least ferrous iron, nickel and cobalt together with acid soluble impurities; and recovering the nickel and cobalt from the product leach solution with a selective ion exchange resin in an ion exchange process leaving the ferrous iron and other acid soluble impurities in the raffinate.