MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617091078 A) filed by Metso Finland Oy on July 27, 2026, for A Novel Atmospheric Leaching Process Of Lithium Concentrates.
Inventors include Zhang, Tian; and Kolehmainen, Eero.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: According to the present invention, there is provided a method for processing a lithium-containing concentrate by leaching at atmospheric pressure. Typically, the leaching takes place at a temperature below the boiling point of the leach solution and during a time of 4 – 48 hours, and is a mild leaching process that can be carried out without using an autoclave.
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