Removal of heavy metals contained in the fly ash and the residues of purification of fumes coming from an incineration furnace.

摘要

The invention concerns the removal of pollutants consisting of heavy metals and toxic elements from fly ash and fume purification residues resulting from waste incineration. The waste is subjected to chlorination, thermal treatment, sulfation for the twofold purpose of the removal and concentration of a fraction containing heavy metals and toxic elements.