- Highest battery grade lithium carbonate produced to date with 99.9% purity
- The Company will now convert the Plant from batch mode into continuous mode to produce large samples for specification certification
- Lithium carbonate has now been considered acceptable for the development of batteries by CATL
Using the upgraded alkali methodology, the Company further advanced the crystallization parameters as well as other necessary minor adjustments, which resulted in achieving battery-grade lithium carbonate with a purity of 99.891%, which is acceptable by Contemporary Amperex Technology Co. Limited (CATL) for its LFP batteries standard. This methodology will by applied to the design of the 3Q Project lithium carbonate pilot plant ("the Plant") in the feasibility study being carried out by Worley and expected to be completed by the end of Q3 2021.
The composition of impurities in the lithium carbonate is as follows*:
SO4 | Cl | Mg | B | Al | Fe | K | Ca | Si | Na | Insoluble | Humidity |
% | % | % | % | % | % | % | % | % | % | % | % |
0.039 | 0.022 | 0.003 | 0.004 | 0.002 | 0.001 | 0.014 | 0.001 | 0.002 | 0.001 | 0.006 | 0.01 |
*Other elements <0.001% |
The Company will now convert the Plant from batch mode into continuous mode to produce large samples for specification certification.
"We have reached our objective to produce high-quality lithium carbonate while minimizing the reagent consumption and freshwater footprint," stated
The Pilot Plant Process
The in-situ brine comes from the high-grade northern sector of the 3Q Project salar, with an initial chemical composition as follows:
Li | Cl | Na | Ca | Mg | K | B | Density |
mg/L | mg/L | mg/L | mg/L | mg/L | mg/L | mg/L | g/ml |
1,175 | 212,662 | 68,861 | 51,529 | 1,875 | 11,319 | 1,567 | 1.24 |
After approximately one year the brine is evaporated, and sodium chloride, potassium chloride and calcium chloride are removed to produce concentrated brine with a composition as follows:
Li | Cl | Na | Ca | Mg | K | B | Density |
mg/L | mg/L | mg/L | mg/L | mg/L | mg/L | mg/L | g/ml |
42,842 | 504,331 | 5,162 | 135,692 | 1,829 | 25,859 | 6,140 | 1.45 |
The Plant produced the first batch of lithium carbonate with 99.1% purity in
At that point, the Company's technical team designed a more efficient process to produce higher purity lithium carbonate with lower consumption of fresh water, reagents, and energy. This process was called the alkali route and in this process the sulfation phase for calcium removal is changed by an alkalization phase with sodium hydroxide. The first production of lithium carbonate with this process reached 99.599% purity in
The Company today has about 50 tonnes of concentrated brine ready to be converted to lithium carbonate by the Plant and has also upgraded the pilot ponds to mimic the pond design of the feasibility study parameters (please refer to the
Since the arrival of the Plant over 30 batches of lithium carbonate have been produced, and the final quality goals have been achieved. The next phase is to set up the Plant in continuous mode to produce larger volume samples for final specification tests and final certification.
The Company is also pleased to announce that it has engaged Kemetco of
Technical Information
The samples collected were delivered by Company personnel to
About
The 3Q Project is located in the
Additional information regarding
Neither
Cautionary Note Regarding Forward Looking Statements - Certain information set forth in this news release may contain forward-looking statements. Such statements include but are not limited to, statements as to lithium brine grades at depth being consistent with surface results, the potential for resource expansion at depth, the potential of the northern salar sediments, and deeper sediments, for hosting brine, the ability to proceed to scoping studies quickly, proceeding with continued work for additional economic studies the potential for production expansion in the Company's assessment of the economic potential of the 3Q Project, that test results are indicative of future results, and the additional of additional independent directors. Generally, forward-looking statements can be identified by the use of words such as "plans", "expects" or "is expected", "scheduled", "estimates" "intends", "anticipates", "believes", or variations of such words and phrases, or statements that certain actions, events or results "can", "may", "could", "would", "should", "might" or "will", occur or be achieved, or the negative connotations thereof. These forward-looking statements are subject to numerous risks and uncertainties, certain of which are beyond the control of the Company, which could cause the actual results, performance or achievements of the Company to be materially different from the future results, performance or achievements expressed or implied by such statements. These risks include, without limitation, risks related to failure to obtain adequate financing on a timely basis and on acceptable terms, political and regulatory risks associated with mining and exploration activities, including environmental regulation, risks and uncertainties relating to the interpretation of drill and sample results, risks related to the uncertainty of cost and time estimation and the potential for unexpected delays, costs and expenses, risks related to metal price fluctuations, the market for lithium products, competition for experienced directors in the junior mineral exploration and development sector, and other risks and uncertainties related to the Company's prospects, properties and business detailed elsewhere in the Company's disclosure record. Although the Company believes its expectations are based upon reasonable assumptions and has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended and undue reliance should not be placed on forward-looking statements.
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