OPTIMISED BIO-ELECTROCHEMICAL REACTOR, IN PARTICULAR FOR DEGRADATION OF THE CHEMICAL OXYGEN DEMAND OF AN EFFLUENT
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
May 20, 2022
filing date -
May 20, 2022
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Abstract
An optimised bio-electrochemical reactor for treating a liquid effluent containing a biodegradable organic pollution. At least one of the anode and cathode compartments of the reactor is a microbial biofilm compartment (12) including a multi-stage current collector immersed in an electrolyte comprising electroactive microorganisms. This current collector includes at least two stages, each defining a chamber acting as a container for a biocompatible granular support material and letting the fluid pass through. The effluent circulates inside the compartment (12) according to an X direction crossing the stages of the current collector. In operation, the support material (17) is in a fluidised state resulting either from the circulation of the effluent, or from the circulation of a fluidisation gas allowing optimising the active surface of the electrode and, consequently, the treatment of the effluent.
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