Standard Lithium Ltd (SLI) releases project update


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Standard Lithium Ltd. (NYSE: SLI), an innovative lithium technology and project development company, today provided an update on several projects and other related developments.

SiFT Lithium Carbonate PlantThe “SiFT” lithium carbonate plant was installed on the site in the third quarter of 2021 (see September 1st Press release) and has been successfully commissioned and used to produce battery-grade lithium carbonate at the plant. Lithium carbonate was produced at the SiFT plant in a single crystallization step (unlike the multiple steps of a typical process). The crystals were washed twice with hot deionized water to obtain battery-grade lithium carbonate (>99.83% purity). This is the first-of-its-kind demonstration of a full-scale, continuous direct lithium extraction (DLE) plant, producing a concentrated lithium chloride intermediate product and converting directly to battery-grade lithium carbonate in a single crystallization step. The completion of this phase of work is another important milestone for the Company and its technology-driven approach to development.

The current iteration of the company’s proprietary LiSTR DLE demonstration plant in El Dorado, Arkansas also utilizes a new High Pressure Osmosis Assisted Reverse Osmosis (HPRO) unit to concentrate the LiCl solution before carbonation. This HPRO unit has been successfully integrated into the plant and has been operating to design criteria since September 2021 and consistently produces LiCl solutions containing approximately 7000 mg/L lithium.

Design and planning of the first commercial plantStandard Lithium has expanded its in-house team and retained additional consultancy services to advance all project definition work required for the company’s first commercial lithium plant, to be built at the Lanxess South Facility. The Company has completed initial site selection work within the available property envelope to determine one or more suitable locations, and the initial environmental and permit review has been completed with no significant issues noted. . The company has also retained the services of one of North America’s largest and most respected engineering and construction organizations to perform a Preliminary Engineering and Design Study (pre-FEED). Pre-FEED began in Q4 2021 and is expected to be completed in Q2 2022. The study will be used to develop the initial design for the first commercial plant, as well as provide all engineering and cost data to support.

The findings from the pre-FEED will be reviewed by the extended Standard Lithium team and will feed directly into and form the basis for the next substantial phase of design work, the FEED study, which is expected to begin in the second quarter of 2022. The FEED The study will significantly advance the level of engineering design, constructability, and associated costs of the first commercial project, and its key findings will be made public in the form of an NI 43-101 Definitive Feasibility Study (DFS). It is also expected that the FEED study will be converted into a lump sum turnkey estimate (LSTK) which can be used for any future project funding activity that may be required. The Company will provide additional updates once the FEED study has been awarded.

Commercial Supply of Selective Lithium SorbentThe Company’s LiSTR DLE process uses a custom formulated, custom-designed lithium selective sorbent based on a titanate architecture. The sorbent that has operated successfully in the demonstration plant for the past 20 months was manufactured outside of North America and represents the first generation of the material.

Since Q1 2021, Standard Lithium has been working with one of the world’s largest industrial materials suppliers, specializing in ceramics and catalytic compounds, to optimize sorbent performance and develop a scalable commercial manufacturing process in North America . This work has been successfully completed at various R&D facilities in North America and Europe and substantial improvements in sorbent performance have been achieved. The next generation of materials will be produced using a full-scale commercial production process and is expected to arrive at the demonstration plant in El Dorado, Arkansas in the second quarter of 2022.

Dr. Andy Robinson, President and COO of Standard Lithium, said: “The team at Standard Lithium has been extremely busy over the past quarter. We have continued to integrate processes at our demonstration plant in El Dorado so that we now have the only carbonate brine plant in continuous, start to finish, in North America. Thanks to the key investment in the company by Koch Strategic Platforms in the fourth quarter of last year, we were able to expand our team and commission intensive studies that launch us on the real path to commercialization. We and our partners have greatly increased our knowledge of the scale-up process and have a better understanding of what the first commercial plant will look like. We have a lot of exciting work to complete in 2022 and we look forward to providing updates as we continue to grow our team, recruit new project delivery partners, and grow. ire advancing Standard Lithium on the path to delivery of the first new commercial lithium project in the United States. United States for several decades.

QQuality assuranceDr. Ron Molnar, Professional Metallurgical Engineer (Ontario PE # 100111288), is a Qualified Person as defined by NI 43-101, is independent of the Company and has reviewed and approved the scientific and technical information that forms the basis of this news. Release.

About Standard Lithium Ltd.Standard Lithium is an innovative lithium technology and development company. The company’s flagship project is located in southern Arkansas, where it is engaged in testing and proving the commercial viability of extracting lithium from more than 150,000 acres of licensed brine operations. . The company operates its first industrial-scale direct lithium extraction demonstration plant at the Lanxess South Plant in southern Arkansas. The demonstration plant uses the company’s proprietary LiSTR technology to selectively extract lithium from Lanxess tail brine. The demonstration plant is used for proof of concept and commercial feasibility studies. The scalable, environmentally friendly process eliminates the use of evaporation ponds, reduces processing time from months to hours, and dramatically increases efficient lithium recovery. The Company is also pursuing resource development of more than 30,000 acres of separate brine leases located in southwest Arkansas, referred to as the Southwest Arkansas Lithium Project, and approximately 45,000 acres of mining claims located in the Mojave Desert of San Bernardino County, California.

Standard Lithium is jointly listed on the TSX Venture Exchange and the NYSE American under the symbol “SLI”; and on the Frankfurt Stock Exchange under the symbol “S5L”. Please visit the Company’s website at https://www.standardlithium.com.

On behalf of the Standard Lithium Ltd. Board of Directors Robert Mintak, CEO and Director

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release. This press release may contain certain “forward-looking statements” within the meaning of the United States Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws. When used in this press release, the words “anticipate”, “believe”, “estimate”, “expect”, “target”, “plan”, “expect”, “may”, “schedule ” and other similar words or phrases identify forward-looking statements or information. Such forward-looking statements or information may relate to future commodity prices, accuracy of mineral or resource exploration activities, reserves or resources, regulatory or governmental requirements or approvals, reliability of third-party information, continued access to mining properties or infrastructure, fluctuations in the market for lithium and its derivatives, changes in exploration costs and government regulations in Canada and the United States, and other factors or information. These statements represent the Company’s current views with respect to future events and are necessarily based on a number of assumptions and estimates which, although considered reasonable by the Company, are inherently subject to important commercial, economic, competitive, political and social risks, contingencies and uncertainties. Many factors, known and unknown, could cause actual results, performance or achievements to differ materially from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements. The Company does not intend, and undertakes no obligation, to update such forward-looking statements or information to reflect changes in assumptions or changes in circumstances or any other event affecting such statements and information other than those required by laws, rules and regulations.

For further information contact:

LHA Investor Relations
David Barnard
+1 415-433-3777
[email protected]
[email protected]
Twitter: @standardlithium
LinkedIn: https://www.linkedin.com/company/standard-lithium/

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Source: Standard Lithium