Patent ID: 8387275

Claim:
A method for drying sludge comprising the following steps: (1) Dry dehydrated sludge for use as a carrier for drying sludge; (2) Transport the carrier for drying sludge and dehydrated sludge to be dried to a stirring and mixing apparatus for stirring and mixing and thereby obtain mixed sludge; (3) Transport the mixed sludge to a drying apparatus for drying; (4) Repeat steps (2) and (3); characterized in that in said step (4) a portion of the mixed sludge obtained from the stirring and mixing apparatus which is in an amount determined by amount of sludge carrier required for drying is extracted and transported to the drying apparatus for drying and thereby obtaining the carrier for drying sludge whereas the rest of the mixed sludge is discharged as final product.