Korean researchers have succeeded in extracting high-quality minerals from seawater
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by National Korea Maritime and Ocean University


Given that mining to extract high-grade mineral ores is wastefully energy intensive, exhaustible, and bad for the environment, scientists have been scouting for alternatives. A group of Korean researchers, led by Professor Myoung-Jin Kim, from Korea Maritime and Ocean University, have now succeeded in extracting high-quality minerals from just seawater. Specifically, they have achieved the extraction of 99.8% pure magnesium sulfate (MgSO4), from seawater desalination brine (SDB).

Speaking about the motivation behind the study, Prof. Kim explains that "since we have already developed a sophisticated seawater desalination process to address the world's water needs, why not couple it with the beneficial process of mineral extraction! In this way, we believe that such extraction can be performed in an energy-efficient, sustainable, and environment-friendly manner." The team's findings have been published online, as a research article, on 15th December 2021, in the journal Desalination.



https://phys.org/news/2021-11-high-quali...ation.html
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