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Liquid manure storage for swine production emits greenhouse gases. Manure storage is roofed with a floating cover equipped with gas piping. The gases are filtered by a dead animal active composting rotating drum. The innovations are related to the biofiltration with a thermophilic composting process. It is anticipated that the CH4 will be consumed by the methanotroph bacteria and, potentially, could help to reduce the wood chip requirements.
composting, dead animal, biofiltration, greenhouse gas