POSCO said Thursday its affiliated research center had developed technology to directly extract lithium from seawater that reduced production time from a year to a month. The Research Institute of Industrial Science and Technology succeeded in producing high yields of lithium from salt water using the new technology, POSCO said in a press release.
Whereas natural evaporation had left other elements of the salt water in the form of impurities, the new technology allows separate extractions of lithium as well as other high-value added elements such as magnesium, calcium, potassium and boron. POSCO filed for patents on about 30 related technologies at home and abroad.
Based on the new technology, POSCO plans to build lithium extraction plants overseas through cooperation with lithium producers that own the rights to the salt water.
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