Cypress Development Corp. (TSXV: CYP | OTCQX: CYDVF | Frankfurt: C1Z1) has provided an update on its Lithium Extraction Facility in Amargosa Valley, Nevada. The facility continues to operate successfully, reaching a milestone in the delivery of concentrated lithium solution to two laboratories in Canada for further testing in the production of lithium products.
The facility marked its sixth month of operation with the completion of 11 separate continuous tests conducted on a 24-hour per day basis, over periods ranging from 3 to 14 days. Processing conditions and equipment arrangements in the areas of leaching, filtration, impurity removal, and the Direct Lithium Extraction (DLE) system during the testing periods have been varied to determine the effect of changes. The Pilot Plant will continue to operate during the summer with a work schedule of 7-days on, 5-days off.
Recoveries in the Pilot Plant remain as expected, with lithium extraction from claystone in the 80 to 85% range. Tailings testing has also preliminarily identified characteristics that will allow for dry stacking with minimal water entrainment. The Pilot Plant is also focused on minimizing water usage and has operated successfully with an emphasis on 100% recycling of all process water streams within the facility.
“The company is very pleased to have reached this significant milestone. About 4,000L of concentrated lithium chloride solution has been delivered from the Pilot Plant to two Canadian laboratories. Each laboratory is now working to further treat the solutions, one to produce lithium carbonate, and the other, lithium hydroxide, as the end product,” commented Bill Willoughby, President and CEO of Cypress Development. “These results will then be used to determine what additional steps are needed, if any, to attain battery-grade standards and evaluate the alternatives for producing these products in the ongoing Feasibility Study.”
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