A device (1) for maturing
compost and / or making available
compost and / or carbonaceous materials, comprising a tank (2) configured to contain
compost obtained from the composting of said
biodegradable waste and / or carbonaceous materials, the tank (2) comprising an
enclosure (4), an internal space, a tank opening (8) providing access to the internal space, and a lid (6) configured to close the tank opening. The lid (6) of the tank (2) comprises a plurality of panels (10, 10a, 10b) movable between a closed position in which the lid closes the tank opening, and an open position in which the panels leave the tank opening open, the panels in the open position cooperating to form a funnel (12) for the opening of the tank (2). Figure for the abbreviation: Figure 2