By K. Warner
For Metal Tech News 

Raising rare earth recovery with yeast

Yeast and phosphates extract REEs from hot springs, seawater Metal Tech News – April 19, 2023


Last updated 4/21/2023 at 4:37am

The Tamagawa Onsen hot spring in Towada Hachimantai National Park.

Adobe Stock

The highly acidic Tamagawa Onsen hot spring in Towada Hachimantai National Park was the source of hydrothermal water used by the OMU Graduate School of Engineering research group to test the efficacy of phosphorylated yeast biosorption of rare earth minerals.

While not quite as easy as whipping up a science experiment in the kitchen, a research group from the Osaka Metropolitan University Graduate School of Engineering has developed an inexpensive and eco-friendly way to condense various rare earth elements (REEs) from natural water sources using common, food-safe ingredients.

The research group, led by Professor Masayuki Azuma and Associate Profess...

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