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Regeneration of a bio-electrode of a bio-electrochemical device - device and associated method. Régénération d'une bio-électrode d'un dispositif bio-électrochimique - dispositif et procédé associé

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Bergel, Alain | Blanchet, Elise | Bouchez, Théodore | Erable, Benjamin | Etcheverry, Luc | Fayolle, Yannick | Huyard, Alain | Desmond-Le Quéméner, Elie | Mauricrace, Pierre | Tian, Jianghao

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A bio-electrochemical device comprising at least one bio-anode immersed in an electrolyte containing anodic electroactive microorganisms characterised in that it comprises a diffuser (6), connected to a gas source, and arranged in a zone situated below or in the lower part of the bio-anode, the diffuser having outlet openings (9) for the gas capable of generating gas bubbles (11) sweeping the surface of this bio-anode and/or causing turbulences around it, the bubbles (11) being used to regenerate this bio-anode, during the functioning of the electrochemical device. A method for regenerating a bio-anode (3) by means of the above device, that can be combined with a reduction in the difference in potential between the bio-anode (3) and the cathode (5).

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