BioElectroMET

Concept

In BioelectroMET the oxidation of a biodegradable electron donor at the bioanode is coupled to the reduction of dissolved metals, present in waste or process streams, at the cathode. Subsequently the electrodeposited metal can recovered in pure elemental form from the cathode, similar to electroplating. Thiosulfate might be a suitable substrate for the bioanode, is it can donate 8 electrons, is biodegradable and occurs in leachates produced during hydrometallurgical mineral processes.

technology concept
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