Century Lithium Corp. (TSXV: LCE | OTCQX: CYDVF | Frankfurt: C1Z) has reported on the making of battery grade lithium carbonate (Li2CO3) at the company’s lithium extraction facility (pilot plant) in Amargosa Valley, Nevada, USA a part of the company’s wholly owned Angel Island project in Nevada.
The assays from the second batch of lithium carbonate made at the pilot plant indicate a purity of 99.5%, which is considered battery grade.
“These results mark yet another accomplishment by our pilot plant team” said president and CEO Bill Willoughby. “Until recently, we have focused on producing a concentrated lithium chloride solution, a representative portion of which we shipped offsite for conversion. We chose to focus on lithium carbonate as the end-product for our project, as it is a natural fit given the approach we developed for processing. With the ability to generate lithium carbonate samples onsite, the pilot plant is a more complete representation of the processes involved in a full-scale operation, and we can now supply lithium carbonate samples for testing by prospective partners and end-users.”
Following the procedures used in the first batch of testing, batch 2 treated two more 40L lots of concentrated lithium solution from the DLE area at the pilot plant in the newly added lithium carbonate stage. The treatment included precipitation with sodium carbonate, washing, and drying of the 4kg of lithium carbonate produced from each lot. After addressing a mechanical issue, assays from the two lots from the second batch show an improvement in lithium carbonate purity to 99.5%. Impurities of concern, including sodium and calcium, were reduced.
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