Method and facility for treating sludge, in particular harbour sludge

A method for treating sludge, in particular harbour sludge, which comprises the steps of:

• mixing said sludge with rubble containing in particular concrete and/or stone rubble,
• crushing this sludge/rubble mixture to obtain a crushed material, and
• performing a screening of said crushed material, simultaneously with a heating treatment, to obtain at least two different particle sizes of crushed material.

A facility for the treatment of rubble, in particular the treatment of rubble mixed with sludge, which includes:

• crushing means (2), adapted to crush concrete and/or stone rubble,
• screening means (4) adapted to obtain at least two different particle sizes of crushed materials, said screening means (4) being associated with heating means (5), and
• crushed material transfer means (3), between said crushing means (2) and said screening means (4).