Treatment or stabilization of residues comprising boiler ashes, silicate filter dust from combustion plant and/or sewage sludge combustion residues, comprises reacting the residues with a calcium sulfite-containing additives and water

摘要

Treatment or stabilization of residues comprising boiler ashes, silicate filter dust from residual waste combustion plant and/or sewage sludge combustion residues, comprises reacting the residues with at least a calcium sulfite-containing additives and water to obtain the stabilized or treated residues. An independent claim is included for a treated or stabilized residue, obtained by the above process.