Importance

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Abstract

The invention relates to a device (10) for biomethanation of a CO- and/or H2-containing gas (8), wherein the biomethanation device is characterized in that it comprises:

a first reactor (11) comprising a cavity (12), said first reactor being configured to be placed inside a liquid bath (13) comprising at least one bacterial population, such that, when the first reactor (11) is in contact with the liquid bath (13), a biofilm is formed around the cavity (12);an injector (7) for injecting the CO- and/or H2-containing gas (8) into the cavity (12), the biofilm being capable of carrying out a biological conversion of the CO- and/or H2-containing gas into methane;a first CO2 injection device (14), configured to inject CO2 gas (9) into the liquid bath (13).

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First Claim