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. 05, 2018
Filed:
Feb. 22, 2016
Applicant:
Rockwood Lithium Inc., Kings Mountain, NC (US);
Inventors:
Andrew John Donaldson, Gastonia, NC (US);
Daniel Alfred Boryta, Mooresboro, NC (US);
Assignee:
ROCKWOOD LITHIUM INC., , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01D 15/08 (2006.01); C01D 3/08 (2006.01); C01D 15/04 (2006.01); C02F 1/58 (2006.01);
U.S. Cl.
CPC ...
C01D 15/08 (2013.01); C01D 3/08 (2013.01); C01D 15/04 (2013.01); C02F 1/58 (2013.01); C01P 2006/80 (2013.01);
Abstract
A process for reducing the amount of magnesium in a lithium-containing brine by adding an aqueous solution of KCl to the brine to precipitate at least some of the magnesium as carnallite salt is disclosed. Lithium salts prepared using this magnesium removal process are also disclosed.