abstract |
A facility for treating and recycling animal waste ( 2 ), including a unit ( 6 ) for methanizing the waste including treatment of the obtained biogases, a cogeneration unit ( 8 ) delivering electricity and heat ( 32 ) from the biogases, and a unit for hydroponically cultivating microalgae ( 14 ) in photo-bioreactors supplied by the liquid phase ( 12 ) of the organic residues from the methanization. The facility further includes a unit for cultivating macrophytes ( 22 ) supplied with water ( 20 ) leaving the unit for cultivating microalgae, and a vermiculture unit ( 24 ) fed by harvesting the macrophytes ( 22 ) and by the sludge ( 36 ) coming from the raw digestate from the methanization. |