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.

Date of Patent:
Jun. 11, 2019

Filed:

Oct. 10, 2017
Applicant:

United States Department of Energy, Washington, DC (US);

Inventors:

Jinichiro Nakano, Albany, OR (US);

Anna Nakano, Albany, OR (US);

James P. Bennett, Salem, OR (US);

Assignee:

U.S. Department of Energy, Washington, DC (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01D 15/08 (2006.01); C22C 24/00 (2006.01);
U.S. Cl.
CPC ...
C01D 15/08 (2013.01); C22C 24/00 (2013.01); C01P 2006/80 (2013.01);
Abstract

Embodiments relate to methods, systems And apparatus tor generating lithium from brine. The brine is heated in a first vessel to greater than 260° C. and COgas is injected mixing with the brine such that the CO/P is greater than 18 g/atm. The brine is held at greater than 18 g/atm for longer than 20 minutes so that any impurities precipitate as solids leaving only lithium ions and chlorine ions. The brine is moved to a second vessel screening out solid precipitates leaving a brine containing only chlorine and lithium. COgas is injected and mixed with the brine at 260° C. so that the CO/P is greater than 200 g/atm. The brine is held at greater than 200 g/atm for longer than 20 minutes suppressing the chlorine as dissolved ions while lithium precipitates out as lithium carbonate. The lithium carbonate precipitate is removed from the brine solution.


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