METHOD FOR REDUCTION OF OIL-CONTAINING SLUDGE

摘要

Disclosed is an oil-containing sludge reduction method characterized by contacting an oil-containing sludge with water vapor having a temperature of 100 to 200°C and expressing the oil-containing sludge to separate the oil-containing sludge into an oil-containing water and a residue. It becomes possible to provide an oil-containing sludge reduction method which can reduce the contents of an oily component and a toxic substance in the oil-containing sludge in a single step to such a level that the resulting material can be landfilled.