RECOVERY DEVICE AND RECOVERY METHOD FOR RECOVERING SPECIFIC MATERIAL FROM SLUDGE, SLUDGE DEHYDRATION SYSTEM, AND SLUDGE DEHYDRATION METHOD

摘要

A sludge dehydration method comprising: a recovery treatment for recovering a specific material, as a dehydration aid, from sludge produced by a sewage treatment process; and a dehydration treatment for solid-liquid separation of sludge in which the dehydration aid recovered by the recovery treatment is mixed with the sludge to be dehydrated.