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:
May. 16, 2023
Filed:
Aug. 07, 2020
Applicant:
Terralithium Llc, Houston, TX (US);
Inventor:
Stephen Harrison, Benicia, CA (US);
Assignee:
Terralithium LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01D 15/08 (2006.01); C01D 9/04 (2006.01); C01B 9/02 (2006.01); C01D 7/07 (2006.01); C22B 26/12 (2006.01); C25B 1/14 (2006.01); C01D 15/02 (2006.01); C25C 1/02 (2006.01); C25C 7/04 (2006.01);
U.S. Cl.
CPC ...
C01D 15/08 (2013.01); C01B 9/02 (2013.01); C01D 7/07 (2013.01); C01D 9/04 (2013.01); C01D 15/02 (2013.01); C22B 26/12 (2013.01); C25B 1/14 (2013.01); C25C 1/02 (2013.01); C25C 7/04 (2013.01); C01P 2006/80 (2013.01);
Abstract
This invention relates to a method for the preparation of lithium carbonate from lithium chloride containing brines. The method can include a silica removal step, capturing lithium chloride, recovering lithium chloride, supplying lithium chloride to an electrochemical cell and producing lithium hydroxide, contacting the lithium hydroxide with carbon dioxide to produce lithium carbonate.