US Patent Issued to Joint-Stock Company "Axion-Rare and Noble Metals" on June 9 for "Method of processing hydro-mineral lithium-containing feedstock" (Russian Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,672, issued on June 9, was assigned to Joint-Stock Co. "Axion-Rare and Noble Metals" (Perm, Russia).

"Method of processing hydro-mineral lithium-containing feedstock" was invented by Dmitrii Alekseevich Kondrutskii (Perm, Russia) and Gadzhi Rabadanovich Gadzhiev (Volzhskiy, Russia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to hydrometallurgy of rare metals, in particular, to lithium sorption recovery from natural brines and wastewaters. The method comprises introducing a feed lithium-containing brine to a sorption-desorption concentrating module in a form of a vertical column filled with an inorganic sorbent being a chlorine...