Plant for the treatment of waste

A waste treatment plant characterized by the fact that it comprises a post-combustion chamber (1) equipped with an inlet (4) intended to be connected to the combustion chamber of a household rubbish incineration chamber and with at least one burner (2) adapted to treat the gaseous and pasty liquids contained in the sewage sludges and industrial liquids, in which post-combustion chamber (1) these wastes are injected into the burner and ignited by the hot gases coming from the combustion chamber to which it is connected and a treatment circuit for smoke and residues coming from said post-combustion chamber comprising, sequentially a dry cooling tower (7) into which sewage sludges without appreciable heating power are injected, a wet cooling and absorption tower (15) into which there is introduced a cooling solution adapted to absorb the predominantly acid gases contained in the said smoke and residues and to which there is connected a recycling circuit (190) for said solution, a separation tower (22) in which the liquids in suspension are separated and directed for recycling to the recycling circuit (190), and a device (27) for placing the smoke and residue treatment circuit under vacuum.