CENTURY LITHIUM OBTAINS PROVISIONAL PATENT
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"Through the excellent work of Century Lithium's team, we have developed a system for lithium extraction which is proprietary to the Company" said Bill Willoughby, President, and CEO of Century Lithium. "Our system incorporates innovations made during our team's work at the Pilot Plant. The provisional patent provides protection of our system and its IP as we move forward with our Feasibility Study."
The Company's patent pending system is based on the extraction of lithium from solids using both products of a chlor-alkali process; hydrochloric acid and sodium hydroxide. Under the provisional patent, the Company's protected IP includes the method of treating lithium-bearing solids with chloride solution and the handling of solutions, precipitates, and residues, exclusive of a lithium recovery stage (Direct Lithium Extraction) a component process proprietary to Koch Technology Solutions.
Key steps of the provisional patent include:
- Conditioning solids prior to leaching; this step uses recycled process solution and sodium hydroxide, a by-product of the process, which acts as a dispersant and chemical reactant with clay-sized particles
- Leaching slurried pulp in a hydrochloric acid solution; this step includes capture of carbon dioxide which is used for the precipitation of calcium and magnesium later in the process
- Method of treating the post-leach slurry to remove iron and aluminum in a manner that allows pressure filtration of the solids and minimizes the use of flocculants and counter-current decantation
- Treatment of post-DLE spent solution to provide feed stock of sodium chloride solution to a chlor-alkali plant and recycle solution to the conditioning step
Qualified Person
Todd Fayram, MMSA-QP is the qualified persons as defined by National Instrument 43-101 and have approved the technical information in this release.
About Century Lithium Corp.
Century Lithium Corp. (formerly Cypress Development Corp.) is an advanced stage lithium company, focused on developing its
ON BEHALF OF CENTURY LITHIUM CORP.
WILLIAM WILLOUGHBY, PhD., PE
President & Chief Executive Officer
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This release includes certain statements that may be deemed to be "forward-looking statements". Forward-looking statements are subject to risks, uncertainties and assumptions and are identified by words such as "expects," "estimates," "projects," "anticipates," "believes," "could," "scheduled," and other similar words. All statements in this release, other than statements of historical facts, that address events or developments that management of the Company expects, are forward-looking statements. Although management believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance, and actual results or developments may differ materially from those in the forward-looking statements. The Company undertakes no obligation to update these forward-looking statements if management's beliefs, estimates or opinions, or other factors, should change. Factors that could cause actual results to differ materially from those in forward-looking statements, include market prices, exploration, and development successes, continued availability of capital and financing, and general economic, market or business conditions. Please see the public filings of the Company at www.sedar.com for further information.
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SOURCE Century Lithium Corp.
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