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LummoxJR t1_jaiz94s wrote

Reply to comment by PseudoDave in German scientists show a commercially feasible method for cyanobacteria to extract 17 rare earth elements from low-concentration sources. Currently, most of the world's supply of these elements is mined in China. by lughnasadh

Correcting the pH seems like a trivial problem to solve, though.

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PseudoDave t1_jaj29zq wrote

As the concentration is low. You need flow through and not batch, then need to release the water again. So you would have to change the pH on a fast flow through, capture, release, then recorrect pH for release after. There is proteins that work well at low pH for selective REE capture, LanM as an example.

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