MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517036132 A) filed by Korea Zinc Co. Ltd.; and Kemco, Seoul, Republic of Korea, on April 14, for 'method for manufacturing lithium hydroxide.'
Inventor(s) include Lee Je Joong; Choi Heon Sik; and Lee Hyun.
The application for the patent was published on Oct. 10, under issue no. 41/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a method for manufacturing lithium hydroxide. Particularly according to an embodiment of the present invention a method for manufacturing lithium hydroxide may be provided the method comprising: a solution preparation step in which a lithium hydroxide solution containing impurities and lithium ions is prepared; a bonding acidic solution passage step in which a bonding acidic solution is passed through a chelating resin so that hydrogen ions are bonded to the chelating resin; a distilled water passage step in which to remove the acidic solution remaining in the chelating resin distilled water is passed through the chelating resin; a lithium hydroxide passage step in which the lithium hydroxide solution is passed through the chelating resin so that ions included in the impurities are bonded to the chelating resin; and a separating acidic solution passage step in which a separating acidic solution is passed through the chelating resin to which the impurities are bonded so that the impurities bonded to the chelating resin are separated from the chelating resin."
The patent application was internationally filed on Mar. 29, 2024, under International application No.PCT/KR2024/004029.
Disclaimer: Curated by HT Syndication.
