Russian scientists develop lithium extraction technology from waste
An expert from the Moscow State Institute of Steel and Alloying, a national research university in Russia, has built an industrial experimental unit capable of extracting lithium from ore waste and used lithium-ion batteries. The cost of the end product will be lower than that of similar products imported from abroad.
Lithium is one of the lightest metals and is the main component of lithium-ion batteries. Without it, mobile phones, computers, cameras and other devices will not work. HSBC analysts estimate that the global demand for lithium metal in 2015 will be 170,000 tons, which may increase to 420,000 tons by 2020. Australia, Canada, Brazil, and China mainly extract lithium from solid mineral ores, while Chile and Argentina extract lithium from brines, which are highly saline solutions in mine lakes in arid regions. The only lithium mine in Russia is the Zavidinsk mine in eastern Baikal. From 1941 to 1997, spodumene was mined there. However, lithium ore is no longer mined and refined in Russia. Lithium metal and its compounds are imported. An expert from the Moscow State Institute of Steel and Alloying, a national research university in Russia, has built an industrial experimental unit capable of extracting lithium from ore waste and used lithium-ion batteries. The cost of the end product will be lower than that of similar products imported from abroad.
Experts from the non-ferrous metal and gold research section of the National Research University, Moscow Institute of Steel and Alloys, have developed an acid treatment technology for lithium-containing materials and have completed tests for extracting lithium from rock samples from fluorite mines and spent lithium-ion batteries. The technology will be put into industrial application at the fluorite mines in the Primorsky Krai and in the Zavidinsk mining area in the Post-Baikal Krai. It is expected that after 20 years, more than 40,000 tons of lithium carbonate will be produced through this process, so as to meet the domestic demand of Russia as a whole and Russia will be freed from the import of raw materials.
The new technology enables the extraction and processing of lithium to be processed in parallel, which not only can produce pure lithium, but also can produce various lithium salts according to domestic industrial demand. The equipment is currently in the commissioning phase and its basic testing will take place in the fall of 2017.
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